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Journal articles on the topic 'ZnO photoanode'

Author: Grafiati

Published: 14 March 2023

Last updated: 31 July 2025

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1

Berliani, Rhiska Aria, Fat Hana Rizqi Haq, Eka Silvia Ningrum, Putri Lestari, Yofentina Iriani, and Fahru Nurosyid. "The Effect of Copper-Silver (Cu-Ag) Double Doping on ZnO Photoanode on Dye Sensitized Solar Cell (DSSC) Efficiency." Jurnal Penelitian Fisika dan Aplikasinya (JPFA) 14, no. 2 (2024): 144–53. https://doi.org/10.26740/jpfa.v14n2.p144-153.

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A DSSC has a good performance seen from the ability of the photoanode to absorb sunlight. The use of photoanodes uses a semiconductor material, namely ZnO. However, in use, ZnO has the disadvantage of low optical and electrical properties, which results in low DSSC efficiency. So in this research, efforts are made to add Cu-Ag double doping to improve optical and electrical properties that will increase the efficiency of DSSC. ZnO/Cu-Ag photoanodes were prepared using the sol-gel spin coating method with doping variations of 0%, 1%, 2%, and 3%. Characterization was carried out using a UV-Vis s

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Thor, Shen-Hui, Li-Ngee Ho, Soon-An Ong, Che Zulzikrami Azner Abidin, and Cheng-Yong Heah. "Comparative efficiency study of photoanodes in the photocatalytic fuel cell integrated electro-Fenton hybrid system." IOP Conference Series: Earth and Environmental Science 1135, no. 1 (2023): 012006. http://dx.doi.org/10.1088/1755-1315/1135/1/012006.

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Abstract Photoanode in photocatalytic fuel cell (PFC) plays an important role in the dual chamber PFC integrating electro-Fenton (EF) hybrid system (PFC-EF system) since the photo-excitation process on the photoanode will contribute to the electrons for electricity generation and electro-generation of hydrogen peroxide in EF process. Fabrication of different types of photoanodes were carried out by using anodizing and immobilization method, respectively. The fabrication methods significantly affected the efficiencies of photoanodes in the Amaranth treatment. The characterization of the fabrica

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3

Rohmawati, L., S. P. Ferdianto, M. S. Ma’arif, et al. "ENHANCED EFFICIENCY OF DYE-SENSITIZED SOLAR CELLS USING ZNO NANOPARTICLE DOPING CU FROM PINEAPPLE PEEL EXTRACT WITH MODIFIED NATURAL DYE SOLUTION." Eurasian Physical Technical Journal 22, no. 2 (52) (2025): 42–53. https://doi.org/10.31489/2025n2/42-53.

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Photoanodes and dye solutions are indispensable in the stability and efficiency of Dye-Sensitized Solar Cells’ performance. In this study, the photoanode uses a ZnO sample doped with Cu, made using a green synthesis technique with bio-reduction from pineapple skin extract. Meanwhile, using the maceration method, the dye solution is made from mulberry fruit extract and moringa leaves. For Dye-Sensitized Solar Cells applications, ZnO photoanodes doped with 1%, 3%, 5%, and 10% Cu were each depleted on ITO glass and immersed in the dye solution for one day. The results were then tested for electri

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Nurazizah, Euis Siti, Amalia Rohmah Fajariah, Annisa Aprilia, and Lusi Safriani. "Performance Improvement of Dye-Sensitized Solar Cells Using a Combination of TiO<sub>2</sub> and ZnO as Photoanodes." Key Engineering Materials 950 (July 31, 2023): 25–30. http://dx.doi.org/10.4028/p-7pijle.

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TiO2 are usually used as photoanode to get high-performance dye-sensitized solar cells (DSSCs). TiO2 has good chemical stability, but still has poor electron mobility so that the DSSC efficiency is low. An alternative semiconductor metal-oxides such as ZnO currently are being explored due to ease of processing, higher electron mobility, interface band energetics, and can be utilized as photoanode also, but the chemical stability is low. Based on these facts, by combining the advantages of TiO2 and ZnO, the TiO2:ZnO composite can be an ideal material as a photoanode in DSSC. In this study, comp

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Nur, Syafiqah Nadiah Mohd Alias, Arith Faiz, Syamimi Noorasid Nur, et al. "Study the effect of nickel and aluminium doped ZnO photoanode in DSSC." TELKOMNIKA (Telecommunication, Computing, Electronics and Control) 20, no. 5 (2022): 1117–24. https://doi.org/10.12928/telkomnika.v20i5.23013.

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Dye sensitized solar cells (DSSC) is one of the promising candidates which are efficient, low-cost, and clean hybrid molecular solar cell devices. Zinc oxide (ZnO) has been widely used as the phoanode in DSSC due to its excellent charge conduction mechanism, yet still suffers from poor cell efficiency. In this study, aluminium doped ZnO (ZnO:Al) and Ni doped ZnO (ZnO:Ni) were studied as photoanode material in DSSC using solar cell capacitance simulator (SCAPS) simulation, and the electrolyte liquid considered a single solid p-type layer as hole transporting materials. Both studied photoan

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Safriani, Lusi, Nurfitriani Nurfitriani, Ayunita Chintia Celline, Annisa Aprilia, and Yukio Furukawa. "Photocurrent Density Enhancement of DSSC with Existence of ZnO in TiO2 Based Photoanode." INDONESIAN JOURNAL OF APPLIED PHYSICS 13, no. 2 (2023): 252. http://dx.doi.org/10.13057/ijap.v13i2.74821.

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<p class="Abstract"><span lang="EN-US">One of the important components of a dye-sensitized solar cell (DSSC) is photoanode which plays a critical role serving as the center of conversion energy. Photoanode consists of transparent conducting substrate, a semiconductor layer, and dyes molecules as sensitizers. Titanium dioxide (TiO<sub>2</sub>) is widely used as a photoanode because it is a mesoporous and stable material despite its high recombination rate. To reduce the recombination rate and improve electron transport, TiO<sub>2</sub> is combined with other

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Magiswaran, Kaiswariah, Mohd Natashah Norizan, Norsuria Mahmed, et al. "Controlling the Layer Thickness of Zinc Oxide Photoanode and the Dye-Soaking Time for an Optimal-Efficiency Dye-Sensitized Solar Cell." Coatings 13, no. 1 (2022): 20. http://dx.doi.org/10.3390/coatings13010020.

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Dye-sensitized solar cells (DSSCs) were developed by exploiting the photovoltaic effect to convert solar energy into electrical energy. The photoanode layer thickness significantly affects the semiconductor film’s ability to carry electronic charges, adsorb sensitizing dye molecules, and lower the recombination of photo-excited electrons injected into the semiconductor. This study investigated the dependence of the zinc oxide (ZnO) photoanode thin-film thickness and the film soaking time in N719 dye on the photocurrent–voltage characteristics. The ZnO photoanode was applied to glass using the

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Suhartana, Suhartana, Maria Christina Novia, Sriatun Sriatun, Sriyanti Sriyanti, and Pardoyo Pardoyo. "Facile Synthesis of Thin Film Cobalt-doped Zinc Oxide Nanorods Photoanode for Efficient Methylene Blue Degradation." Trends in Sciences 22, no. 2 (2024): 8697. https://doi.org/10.48048/tis.2025.8697.

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ZnO nanorod thin films doped with cobalt were successfully synthesized on Indium Thin Oxide (ITO) glass substrates using the chemical bath deposition method to assess their characteristics and methylene blue degradation capabilities. ZnO nanorod thin films doped with cobalt were successfully synthesized on Indium ThinOxide (ITO) glass substrates using the chemical bath deposition method to evaluate their characteristics and methylene blue degradation capabilities. This study compared undoped and Co-doped ZnO on ITO glass substrates for photoelectrocatalytic (PEC) applications. XRD analysis con

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Kim, Kiwon, and Jun Hyuk Moon. "Bismuth Vanadate/Zinc Oxide Heterojunction Electrodes for High Solar Water-Splitting Efficiency at Low Bias Potential." ECS Meeting Abstracts MA2018-01, no. 31 (2018): 1894. http://dx.doi.org/10.1149/ma2018-01/31/1894.

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A photoanode exhibiting high water-splitting efficiency at low bias potential is essential for stand-alone water-splitting devices through a tandem system combined with a photovoltaic device. However, many previous studies employing a typical BiVO4/WO3 heterojunctions focused on water oxidation at the maximum thermodynamic water splitting potential, 1.23 V vs. the reversible hydrogen electrode (VRHE). Here, we suggest a strategy for high water oxidation efficiency at low potential using 3D BiVO4/ZnO heterojunction photoanodes. The BiVO4/ZnO heterojunction exhibits a lower onset potential compa

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Silwal, Surendra Bikram, Rameshwar Adhikari, Prakash Lamichhane, and Netra Lal Bhandari. "Natural dyes as photo-sensitizer in solar cells." BIBECHANA 17 (January 1, 2020): 28–33. http://dx.doi.org/10.3126/bibechana.v17i0.25599.

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The objective of this research is to employ the natural dyes in dye-sensitized solar cell (DSSC). On account of eco-friendly, renewable, and non-hazardous properties of natural dyes over silicon, a semiconductor, photo-sensitizer in conventional solar cells, cyclohexane extract of Terminalia alata, a natural dye, was employed as photo-sensitizer. The photoanodes ZnO and 5% Al-doped ZnO for DSSCs were developed by spray pyrolysis. The X-ray diffraction (XRD) has shown hexagonal wurtzite structure of ZnO with lattice constants a = 3.2487 Å and b = 5.1518 Å having particle size 25.85 nm for ZnO a

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Muhammad Asnawir Nasution, Iwantono, Puji Nurrahmawati, et al. "The Enhancement Light Absorption of ZnO-TiO2 Nanocomposite as Photoanode." International Journal of Nanoelectronics and Materials (IJNeaM) 16, no. 4 (2024): 883–90. http://dx.doi.org/10.58915/ijneam.v16i3.1374.

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ZnO nanomaterial in Dye Sensitized Solar cells (DSSC) has the disadvantage of low efficiency. The purpose of this study was to improve the DSSC efficiency of the ZnO photoanode. ZnO-TiO2 nanocomposites are used as photoanodes that can improve light absorption. ZnO-TiO2 nanocomposites can increase the performance efficiency of the solar cell compared to ZnO Pristine. This is due to the reduced recombination between ZnO/electrolyte and the increased lifetime of electrons because of the presence of electrons trapped in TiO2. The most optimal sample from this study was found in ZnO-TiO2 nanocompos

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Beedri, Niyamat I., Prashant K. Baviskar, Abhijit T. Supekar, Inamuddin, Sandesh R. Jadkar, and Habib M. Pathan. "Bilayered ZnO/Nb2O5 photoanode for dye sensitized solar cell." International Journal of Modern Physics B 32, no. 19 (2018): 1840046. http://dx.doi.org/10.1142/s0217979218400465.

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Nb2O5 layer were deposited on ZnO by using doctor blade method. The preparation of a bilayered ZnO/Nb2O5 photoanode was introduce for dye-sensitized solar cell (DSSC) application. Deposition of Nb2O5 layer on ZnO film improves power conversion efficiency of DSSCs. The ZnO/Nb2O5photoanode-based DSSCs show increase in photocurrent, open circuit voltage and conversion efficiency. The ZnO/Nb2O5 solar cell provides 50 mV increase of open circuit voltage, [Formula: see text] increment in current density and [Formula: see text] increment in efficiency as compare to ZnO-based DSSCs. We further analyze

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Zhao, Su Qin, Hai Qin Li, Yuan Liang Ma, Yan Ma, Xiao Lei Li, and Hui Ming Ji. "Study of Natural Dye Sensitized Solar Cells with TiO₂/ZnO Composite Thin Film as Photoanode." Advanced Materials Research 1058 (November 2014): 248–52. http://dx.doi.org/10.4028/www.scientific.net/amr.1058.248.

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TiO2/ZnO composite thin film was prepared by sequentially spread TiO2and ZnO thin film on the ground layer by layer with sol-gel method respectively. Two different natural dyes (Hehuang safflower yellow pigment and Lycium ruthenicum Murr pigment) were used as sensitizer respectively to sensitize TiO2/ZnO thin film photoanodes and be assembled into solar cells. Dipping time of photoanodes stayed in sensitizer was investigated systematically and the results show that higher photovoltaic conversion efficiency can be obtained with extension of immersing time. The phase structure, crystallinity, mo

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Jameel Owaid, Hind, Taghreed Baqer Alwan, and Saifaldeen Muwafaq Abdalhadi. "Effect of Bimetal Oxide ZnO/ZnS Nano composite Doped TiO2 on the Performance of Dye-Sensitized Solar Cell." Al-Nahrain Journal of Science 28, no. 1 (2025): 20–28. https://doi.org/10.22401/anjs.28.1.04.

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Dye-sensitized solar cells (DSSC) have garnered significant interest in recent years because of their comparatively affordable production expenses and the potential to utilize flexible and transparent substrates. A widely used approach to enhance the efficiency of DSSCs is the optimization of the photoanode components by the introduction of metal or metal oxide doping in TiO2 nanostructures. In this work, the exclusive gel technique is used to produce nanoparticles of TiO2, ZnO, and ZnS. Additionally, we prepared a ZnO/ZnS nanocomposite by mixing these materials in specific weights in an ethan

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Mohamad, Ili Salwani, Mohd Natashah Norizan, Norsuria Mahmed, et al. "Enhancement of Power Conversion Efficiency with Zinc Oxide as Photoanode and Cyanococcus, Punica granatum L., and Vitis vinifera as Natural Fruit Dyes for Dye-Sensitized Solar Cells." Coatings 12, no. 11 (2022): 1781. http://dx.doi.org/10.3390/coatings12111781.

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Ruthenium N719 is a well-known material used as the dye in commercial dye-sensitized solar cell (DSSC) devices. However, it poses risks to human health and the environment over time. On the other hand, titanium dioxide (TiO2) has low electron mobility and high recombination losses when used as a photoanode in this photovoltaic technology device. In addition, using Ruthenium as the dye material harms the environment and human health. As an alternative sensitizer to compensate Ruthenium on two different photoanodes (TiO2 and ZnO), we constructed DSSC devices in this study using three different n

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Safriani, Lusi. "Pengaruh Penambahan Nanopartikel ZnO Terhadap Morfologi Nanokomposit TiO2/ZnO." Jurnal Ilmu dan Inovasi Fisika 6, no. 2 (2022): 182–88. http://dx.doi.org/10.24198/jiif.v6i2.41201.

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The photoanode layer which is generally an oxide semiconductor material plays an important role in dye-sensitized solar cells. Photoanode facilitate electron transfer from dye to external circuit and electron injection from the dye. Photoanode should have a high surface area as well as high pore size to accommodate the dye sensitizer capacity optimally. To improve the function of TiO2-based photoanode, it can be done by adding ZnO nanoparticles. The characterization results showed that the addition of nanoparticles did not change the structure of each component, ZnO had a hexagonal wurtzite st

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Jiao, Yu, Guang Chao Wang, Feng Rong Li, and Shu Hong Xie. "Efficiency Enhancement of ZnO Nanocrystalline Dye-Sensitized Solar Cells by Post-Treatment." Materials Science Forum 852 (April 2016): 901–7. http://dx.doi.org/10.4028/www.scientific.net/msf.852.901.

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In this paper, ZnO nanocrystalline photoanodes were treated by zinc acetate aqueous solution. The effect of surface chemical modification processing on the photovoltaic performance and electrochemical properties of ZnO nanocrystalline dye-sensitized solar cells (DSSCs) were studied systematically. The SEM results revealed that the surface of the ZnO photoanode films were rough and some aggregations were formed after the surface chemical modification processing. The number of aggregations increased with increasing processing time, and showed wide grain size distribution simultaneously, which ef

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Zhao, Shuaitongze, and Shifeng Xu. "Semiconductor Photoanode Photoelectric Properties of Methanol Fuel Cells." Journal of Nanoelectronics and Optoelectronics 16, no. 1 (2021): 72–79. http://dx.doi.org/10.1166/jno.2021.2906.

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One-dimensional TiO2, ZnO, and Fe2O3 nanorod arrays are selected as the photocatalytic methanol fuel cell photoanodes, and a greenhouse catalytic methanol fuel cell device is designed. With the photo-generated holes' participation in fuel molecules' oxidation in the semiconductor electrode, chemical energy is converted into electric energy. Firstly, with pot-doped tin dioxide (TRS) as the substrate, TiO2, ZnO, and Fe2O3 nanorod arrays are prepared by hydrothermal method. TiO2 and ZnO are excellent photoelectric catalytic materials with similar energy band capability and strong separation capab

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Badif Nurwidi, Muhammad, Sayekti Wahyuningsih, and Ari Handono Ramelan. "Synthesis of rGO/ZnO Nanorods Composite and its Application as a Photoanode in DSSC Solar Cells." Defect and Diffusion Forum 438 (February 10, 2025): 53–67. https://doi.org/10.4028/p-ccr0xh.

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Composite rGO/ZnO NRs (NRs = nanorods) have been a photoanode material in DSSC solar cells. In this study, ZnO NRs were synthesized using a hydrothermal method with the addition of hexamethyl tetraamine (HMTA). The synthesized ZnO NRs was then composited with graphene oxide (GO) synthesized by the modified hummers method. The performance of rGO/ZnO NR composite material with various compositions of ZnO: GO ratio (w/w) as a photoanode has been investigated. The results show that graphene oxide is capable of decreasing the ZnO band gap energy. The composite of rGO/ZnO NRs shows its performance a

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Zhang, BingKe, Qi Li, Dongbo Wang, et al. "Efficient Photocatalytic Hydrogen Evolution over TiO2-X Mesoporous Spheres-ZnO Nanorods Heterojunction." Nanomaterials 10, no. 11 (2020): 2096. http://dx.doi.org/10.3390/nano10112096.

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Photocatalytic water splitting into hydrogen is regarded as one of the key solutions to the deterioration of the global environment and energy. Due to the significantly reduced grain boundaries, ZnO nanorods facilitate a fast electron transfer through their smooth tunnels and are well suited as a photocatalyst. However, the photocatalytic hydrogen evolution performance of pristine ZnO nanorods is still low due to the high recombination rate of photogenerated electron-hole pairs and the less light absorption. Here, a novel structure about black ZnO nanorods (NRs)/TiO2-X mesoporous spheres (MSs)

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Wang, Yan Xiang, Sun Jian, and Bing Xin Zhao. "Preparation of ZnO Films with Different Morphologies and their Applications in Dye Sensitized Solar Cells." Key Engineering Materials 519 (July 2012): 70–73. http://dx.doi.org/10.4028/www.scientific.net/kem.519.70.

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The influences of ZnO photoanode structure on the properties of ZnO dye-sensitized solar cell were studied in this paper. Four kinds of ZnO photoanode films prepared from ZnO nanopowders, nanorods, nanosheets and aggregates were investigated. Their photovoltaic parameters were discussed and compared. ZnO cell consisted of ZnO aggregates had optimal properties, photoelectric conversion efficiency, open circuit voltage, short-circuit current and the fill factor of ZnO aggregates cells were 2.15%, 0.64V, 6.47mA•cm-2 and 0.52, respectively.

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Zhai, Bao-gai, Long Yang, and Yuan Ming Huang. "Improving the Efficiency of Dye-Sensitized Solar Cells by Growing Longer ZnO Nanorods on TiO2 Photoanodes." Journal of Nanomaterials 2017 (2017): 1–8. http://dx.doi.org/10.1155/2017/1821837.

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By increasing the temperature of hydrothermal reactions from 70 to 100°C, vertically aligned ZnO nanorods were grown on the TiO2 thin film in the photoanode of dye-sensitized solar cells (DSSCs) as the blocking layer to reduce the electron back recombinations at the TiO2/electrolyte interfaces. The length effects of ZnO nanorods on the photovoltaic performances of TiO2 based DSSCs were investigated by means of scanning electron microscope, X-ray diffractometer, photoluminescence spectrophotometer, and the photocurrent-voltage measurement. Under the illumination of 100 mW/cm2, the power convers

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Xu, Yang, Xina Wang, Rong Liu, and Hao Wang. "Preparation and Photovoltaic Properties of Dye Sensitized Solar Cells Using ZnO Nanorods Stacking Films on AZO Substrate as Photoanode." Journal of Nanoscience and Nanotechnology 16, no. 4 (2016): 3622–27. http://dx.doi.org/10.1166/jnn.2016.11855.

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Three-dimensional stacking of ZnO nanorods on conducting aluminum-doped ZnO (AZO) glass were studied as efficient photoanodes of dye sensitized solar cells (DSSCs). By changing hydrothermal growth time and cycle times, the thickness of ZnO nanorods stacking films varied from 30 μm to 64 μm, and its influence on the energetic conversion efficiency of the DSSCs based on the stacking films photoanodes was investigated. The loading density of N719 on the surface of ZnO nanorods was studied to increase the efficiency of the cells. Annealing experiments showed that the AZO substrates remained good c

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Rahman, Mati, Mingdeng Wei, Fengyan Xie, and Matiullah Khan. "Efficient Dye-Sensitized Solar Cells Composed of Nanostructural ZnO Doped with Ti." Catalysts 9, no. 3 (2019): 273. http://dx.doi.org/10.3390/catal9030273.

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Photoanode materials with optimized particle sizes, excellent surface area and dye loading capability are preferred in good-performance dye sensitized solar cells. Herein, we report on an efficient dye-sensitized mesoporous photoanode of Ti doped zinc oxide (Ti-ZnO) through a facile hydrothermal method. The crystallinity, morphology, surface area, optical and electrochemical properties of the Ti-ZnO were investigated using X-ray photoelectron spectroscopy, transmission electron microscopy and X-ray diffraction. It was observed that Ti-ZnO nanoparticles with a high surface area of 131.85 m2 g−1

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Malik, Muhammad Shehroze, Deepto Roy, Doo-Man Chun, and A. G. Abd-Elrahim. "One-Step Dry Coating of Hybrid ZnO–WO3 Nanosheet Photoanodes for Photoelectrochemical Water Splitting with Composition-Dependent Performance." Micromachines 14, no. 12 (2023): 2189. http://dx.doi.org/10.3390/mi14122189.

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In this study, the potential of zinc oxide (ZnO), tungsten oxide (WO3), and their composites (ZnO–WO3) as photoanodes for photoelectrochemical (PEC) water splitting was investigated. ZnO–WO3 nanocomposites (NCs) were deposited on fluorine-doped tin oxide substrates at room temperature using a one-step dry coating process, the nanoparticle deposition system, with no post-processes. Different compositions of ZnO–WO3 NCs were optimized to enhance the kinetics of the PEC water-splitting reaction. Surface morphology analysis revealed the transformation of microsized particle nanosheets (NS) powder

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Umar, Ahmad, Mohammad Akhtar, Tubia Almas, et al. "Direct Growth of Flower-Shaped ZnO Nanostructures on FTO Substrate for Dye-Sensitized Solar Cells." Crystals 9, no. 8 (2019): 405. http://dx.doi.org/10.3390/cryst9080405.

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The proposed work reports that ZnO nanoflowers were grown on fluorine-doped tin oxide (FTO) substrates via a solution process at low temperature. The high purity and well-crystalline behavior of ZnO nanoflowers were established by X-ray diffraction. The morphological characteristics of ZnO nanoflowers were clearly revealed that the grown flower structures were in high density with 3D floral structure comprising of small rods assembled as petals. Using UV absorption and Raman spectroscopy, the optical and structural properties of the ZnO nanoflowers were studied. The photoelectrochemical proper

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TAHIR, MUHAMMAD BILAL, HASNAIN JAVAD, KHALID NADEEM, and A. MAJID. "ZnO THIN FILMS: RECENT DEVELOPMENT, FUTURE PERSPECTIVES AND APPLICATIONS FOR DYE SENSITIZED SOLAR CELL." Surface Review and Letters 25, no. 07 (2018): 1930001. http://dx.doi.org/10.1142/s0218625x19300016.

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Dye sensitized solar cells (DSSCs) provide promisingly, organic–inorganic, clean hybrid, cost effective and efficient molecular solar cell devices. Due to their distinct and multifunctional qualities, zinc oxide (ZnO) nanostructures are promising materials used to create photoanodes for DSSCs due to the availability of larger surface area than bulk sheet substance, effectual light-dispersing centers, and when mixed with titanium dioxide they produce a core–shell formation that diminishes the coalition rate and provide direct charge. Moreover, ZnO thin sheets have been broadly observed due of i

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Fan, Weiqiang, Yilin Ge, Biyi Chen, Hongye Bai, and Weidong Shi. "Fabrication of stable photoanode built from ZnO nanosheets in situ decorated with carbon film." Functional Materials Letters 10, no. 05 (2017): 1750068. http://dx.doi.org/10.1142/s1793604717500680.

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In this work, we successfully fabricated a novel stable photoanode, which was built from ZnO nanosheets in situ decorated with carbon film (ZnO/carbon). The thin carbon film, as a passivation layer, can not only improve the photoelectrochemical (PEC) performance, but also significantly depress the photocorrosion of ZnO. Compared with bare ZnO photoanode, the photocurrent density of ZnO/carbon has been increased nearly five times, and its IPCE value can be up to 27% (0.5[Formula: see text]V versus Ag/AgCl). Moreover, the XRD, SEM and TEM data further demonstrate the crystal and microscopic stru

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Grinberg, Vitali A., Victor V. Emets, Alexander D. Modestov, Aleksey A. Averin, and Andrei A. Shiryaev. "Thin-Film Nanocrystalline Zinc Oxide Photoanode Modified with CdO in Photoelectrocatalytic Degradation of Alcohols." Coatings 13, no. 6 (2023): 1080. http://dx.doi.org/10.3390/coatings13061080.

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Thin-film nanocrystalline zinc oxide electrodes were fabricated by electrochemical deposition of ZnO on FTO-coated glass slides. ZnO electrodes were promoted by CdO coating on top of ZnO in amounts corresponding to 0.8, 0.1, and 0.05 C cm−2 in electric units. Modification of ZnO by a small amount of CdO, corresponding to 0.05 C cm−2, shifts the photoactivity of the composite photoanode into the visible part of the solar spectrum. It is shown that the ZnO/(0.05C)CdO/FTO electrode demonstrates high efficiency in photoelectrochemical degradation of methanol, ethylene glycol, and glycerol when irr

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Averochkin, E. P., A. S. Steparuk, E. V. Tekshina, et al. "Photoactive layers based on ZnO nanorods obtained by hydrothermal synthesis for dye-sensitized solar cells." Žurnal neorganičeskoj himii 69, no. 6 (2024): 919–27. https://doi.org/10.31857/s0044457x24060149.

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The application of zinc oxide ZnO nanorods of different heights obtained by hydrothermal synthesis as functional layers for dye-sensitized solar cells has been considered. The structure, morphology, and optical properties of the nanorod layers were investigated by X-ray phase analysis, scanning electron microscopy, and optical spectroscopy. Photoanodes were fabricated using thieno[3,2-b]indole-based dyes IS 4 and IS 9. The adsorption mechanism of the dyes and ZnO structures was studied by IR spectroscopy. The efficiency of photoanodes was investigated using photoelectrochemical measurements. T

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Chang, Qiqi, Jun Xu, Yijun Han, Andrea Ehrmann, Tianhong He, and Ruiping Zheng. "Photoelectric Performance Optimization of Dye-Sensitized Solar Cells Based on ZnO-TiO2 Composite Nanofibers." Journal of Nanomaterials 2022 (April 30, 2022): 1–10. http://dx.doi.org/10.1155/2022/7356943.

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As the electron transport layer of dye-sensitized solar cells (DSSCs), the photoanode is an important component that affects photoelectric conversion efficiency (PCE). The commonly used material titanium dioxide (TiO2) is difficult to prepare as nanostructures with large specific surface area, which affects dye loading and electrolyte diffusion. Herein, TiO2 nanofibers and ZnO-TiO2 composite nanofibers with different molar ratios are synthesized by electrospinning technology. The above nanofibers are coated on photoanodes by the doctor blade method to assemble DSSCs. The influence of the compo

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Shi, Hai Ying, Jun Qing Tian, and Wei Zheng. "Dye-Sensitized Solar Cells Assembled with Modified Photoanode and Carbon Nanotubes as Counter Electrode." Advanced Materials Research 977 (June 2014): 55–58. http://dx.doi.org/10.4028/www.scientific.net/amr.977.55.

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A dye-sensitized TiO2 thin film photoanode and carbon-based counter elctrode were fabricated on the FTO substrate with doctor-blade method. And we have coated the ZnO nanoparticles successfully on the TiO2 photoanode through a simple dipping treatment. The photoelectric performance of the assembled cells was investigated by absorption spectra and current-voltage characteristics (I-V curves). Results show that the absorbance of ZnO/TiO2 composite photoanode increases 5.4% compared to pure TiO2 photoanode. The optimal photoelectronic property can be reached when dipping time is 2h in Zn (CH3COO)

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Ma, Cheng-Wen, Chia-Ming Chang, Po-Cheng Huang, and Yao-Joe Yang. "Sea-Urchin-Like ZnO Nanoparticle Film for Dye-Sensitized Solar Cells." Journal of Nanomaterials 2015 (2015): 1–6. http://dx.doi.org/10.1155/2015/679474.

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We present novel sea-urchin-like ZnO nanoparticles synthesized using a chemical solution method. Solution approaches to synthesizing ZnO nanostructures have several advantages including low growth temperatures and high potential for scaling up. We investigated the influence of reaction times on the thickness and morphology of sea-urchin-like ZnO nanoparticles, and XRD patterns show strong intensity in every direction. Dye-sensitized solar cells (DSSCs) were developed using the synthesized ZnO nanostructures as photoanodes. The DSSCs comprised a fluorine-doped tin oxide (FTO) glass with dense Z

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Holi, Araa Mebdir, Zulkarnain Zainal, Asla A. Al-Zahrani, Asmaa Kadim Ayal, and Asmaa Soheil Najm. "Effect of Varying AgNO3 and CS(NH2)2 Concentrations on Performance of Ag2S/ZnO NRs/ITO Photoanode." Energies 15, no. 8 (2022): 2950. http://dx.doi.org/10.3390/en15082950.

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This research focuses on improving the photoelectrochemical performance of binary heterostructure Ag2S/ZnO NRs/ITO by manipulating synthesis conditions, particularly the concentrations of sliver nitrate AgNO3 and thiourea CS(NH2)2. The photoelectrochemical performance of Ag2S/ZnO nanorods on indium tin oxide (ITO) nanocomposite was compared to pristine ZnO NRs/ITO photoanode. The hydrothermal technique, an eco-friendly, low-cost method, was used to successfully produce Ag2S/ZnO NRs at different concentrations of AgNO3 and CS(NH2)2. The obtained thin films were characterized using field emissio

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Mahesh, Arumugam. "Photovoltaic Performance of ZnO Nanosheets Solar Cell Sensitized with Beta-Substituted Porphyrin." Journal of Nanomaterials 2011 (2011): 1–9. http://dx.doi.org/10.1155/2011/301873.

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The photoanode of dye-sensitized solar cell (DSSC) was fabricated using two-dimensional ZnO nanosheets (2D ZnO NSs) sensitized with beta-substituted porphyrins photosensitizer, and its photovoltaic performance in solid-state DSSC with TiO2nanotubes (TiO2TNs) modified poly (ethylene oxide) (PEO) polymer electrolyte was studied. The ZnO NSs were synthesized through hydrothermal method and were characterized through high-resolution scanning electron microscopy (HRSEM), diffused reflectance spectra (DRS), photoluminescence spectra (PL), and X-ray diffraction (XRD) analysis. The crystallinity of th

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Diantoro, Markus, Syahri Yanor, Thathit Suprayogi, et al. "Annealing Temperature Effect of ZnO Seed Layer on Integrated Photosupercapacitor Performance." Key Engineering Materials 851 (July 2020): 16–24. http://dx.doi.org/10.4028/www.scientific.net/kem.851.16.

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Photosupercapacitor is an integrated device for harvesting and storing solar energy into electrical energy. Photosupercapacitor is constructed by solar cell and supercapacitor. In the solar cell with DSSC type, one of the influential variables is photoanode performance. The photoanode with ZnO layer plays a role in light absorption, charge mobility, and electrical properties, which are influenced by crystal structure and nanoscale morphology. One of nanoscale morphology of ZnO that widely used is nanorods. This work is focussed to investigate the effect of annealing temperature on seed layer Z

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Lin, Yichang, and Sheng Liu. "Synthesis of ZnO/Bi2S3 Core/Shell Nanowire Array Photoanodes for Photocathodic Protection of Stainless Steel." Coatings 12, no. 2 (2022): 244. http://dx.doi.org/10.3390/coatings12020244.

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Nanocrystalline Bi2S3 shells were conformally deposited on ZnO nanowire arrays via a successive ionic layer adsorption and reaction approach. Microstructure, optical, and electric properties of the as-prepared ZnO/Bi2S3 core/shell nanowire heterostructures were thoroughly investigated using various characterization and electrochemical methods. Compared with the pristine ZnO photoanode (−734 mV and 0.57 mA·cm−2), the ZnO/Bi2S3 photoanode with a type-II heterojunction exhibited a more negative shift in the coupled open circuit potential (−862 mV) and a higher photocurrent density (2.92 mA·cm−2),

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Ittikhad, Ahmad Al, Markus Diantoro, and Andrivo Rusydi. "Enhance Growth Temperature ZnO Nr Photoanode DSSC for Performance of Photo-Supercapacitor via Hydrothermal." Materials Science Forum 1053 (February 17, 2022): 131–36. http://dx.doi.org/10.4028/p-y4u7hu.

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Photo-supercapacitor (PSC) is integrated harvesting energy, that a combination of DSSC with a symmetric supercapacitor. A crucial part of the conversion of photon energy by DSSC is a photoanode. The DSSC photoanode used ZnO NR, because it is known as one of the optical semiconductor materials, which has bandgap of 3.37 eV. Due to good cycle stability and high conductivity, the supercapacitor electrode uses activated carbon-carbon black (AC-CB) materials. This study observed the enhance of temperature growth on the structure, morphology, and optical properties of ZnO NR photoanode to improve th

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He, Haizhou, Jie Li, Yang Liu, et al. "S-C3N4 Quantum Dot Decorated ZnO Nanorods to Improve Their Photoelectrochemical Performance." Nano 12, no. 05 (2017): 1750064. http://dx.doi.org/10.1142/s1793292017500643.

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S-doped C3N4 quantum dots (SCNQDs) were synthesized successfully by a low-temperature solid-phase method. The as-synthesised SCNQDs were decorated on ZnO nanorods by a dipping method. The ZnO nanorod films were prepared through a two-stage method, including pulse electrodeposition for depositing ZnO seed layer on fluorine doping SnO2 glass (FTO) and chemical bath for growing ZnO nanorods on the ZnO seed layer. The prepared samples were characterized via scanning electron microscope (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), UV-vis absorption spectroscopy, X-ray pho

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Deng, Jianping, Minqiang Wang, Chengao Yang, Jing Liu, and Xiaohui Song. "TiO2 nanoparticle/ZnO nanowire hybrid photoanode for enhanced quantum dot-sensitized solar cell performance." RSC Adv. 4, no. 77 (2014): 41141–47. http://dx.doi.org/10.1039/c4ra05033a.

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Yang, Mingbo, Ruizhe Jiang, Jinke Zhu, et al. "Review on the Solar-Driven Photocathodic Protection of Metals in the Marine Environment." Coatings 14, no. 3 (2024): 276. http://dx.doi.org/10.3390/coatings14030276.

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Photocathodic protection (PCP) technology has gained wide attention in the field of corrosion due to its green, environmentally friendly, and sustainable characteristics, and has become a protection technology with broad development prospects in the future marine environment. By investigating recent research results, the mainstream photoanode materials are TiO2, BiVO4, g-C3N4, ZnO, In2O3, SrTiO3 and other materials. Among them, TiO2 is an ideal photoanode material for PCP because of its efficient photochemical corrosion resistance, remarkable reaction stability, and excellent photoelectric pro

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da Cunha, Higor Oliveira, Arcano Matheus Bragança Leite, Rajendran Suresh Babu, et al. "Enhancing the Efficiency of Solar Cells Based on TiO2 and ZnO Photoanodes Through Copper Oxide: A Comparative Study Using Vitis labrusca Extract and N3 Ruthenium Dye." Colorants 3, no. 4 (2024): 329–49. https://doi.org/10.3390/colorants3040023.

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This study investigates the effects of varying CuO doping concentrations on the performance of titanium dioxide (TiO2)-based or zinc oxide (ZnO)-based dye-sensitized solar cells (DSSCs). TiO2 or ZnO mixed with CuO at different weight percentages (0–50 wt %) was employed as photoanodes in DSSCs, prepared via mechanical mixing. X-ray diffraction analysis revealed the structural changes, showing that as the CuO content increased in the hybrid, the CuO peaks (notably at 35.5° and 38.7°) became more prominent. Morphological and elemental characterizations were conducted using SEM and XRF, respectiv

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Kang, Xiaohui, Chunyang Jia, Zhongquan Wan, Jia Zhuang, and Juan Feng. "A novel tri-layered photoanode of hierarchical ZnO microspheres on 1D ZnO nanowire arrays for dye-sensitized solar cells." RSC Advances 5, no. 22 (2015): 16678–83. http://dx.doi.org/10.1039/c4ra17063f.

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A novel tri-layered ZnO nanostructure, consisting of ZnO nanowires as the underlayer, small ZnO hierarchical microspheres as the interlayer and large ZnO hierarchical microspheres as the overlayer, was designed and studied as a photoanode for dye-sensitized solar cells.

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44

Borysiewicz, M. A., S. Chusnutdinow, M. Wzorek, and T. Wojciechowski. "Efficiency Improvement in Co-sensitized DSSCs Through a Cascade Band Alignment of N-719 and Rose Bengal Dyes on Nanostructured ZnO Photoanodes." MRS Advances 2, no. 14 (2017): 767–75. http://dx.doi.org/10.1557/adv.2017.111.

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ABSTRACTWe show that by subsequent sensitization of nanostructured ZnO photoanodes with N-719 and Rose Bengal dyes an improvement or worsening of the cell efficiency may be obtained, relating to photoanodes sensitized with N-719 dye only (JSC = 2.97 mA/cm2, VOC = 0.68 V, η = 0.99%) depending on the order in which the dyes are applied. We observe that for the case when the N-719 dye is followed by Rose Bengal an increase in efficiency, short circuit current and open circuit voltage is observed (JSC = 3.95 mA/cm2, VOC = 0.71 V, η = 1.26%), which we relate to the cascade band alignment of the ZnO

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45

Wen, Qiuxiang, Jia Zhuang, Quangui He, Yang Deng, Haimin Li, and Jiang Guo. "Preparation of nano C-ZnO/SnO2 composite photoanode via a two-step solid state reaction with high efficiency for DSSCs." RSC Advances 5, no. 112 (2015): 91997–2003. http://dx.doi.org/10.1039/c5ra15054j.

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ZnO, SnO<sub>2</sub>, simple mixed ZnO/SnO<sub>2</sub> (S-ZnO/SnO<sub>2</sub>) and complex composite ZnO/SnO<sub>2</sub> (C-ZnO/SnO<sub>2</sub>) photoanode films were prepared and applied to DSSCs using a Two-step Solid State Reaction (TSSR) method.

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Hrapkowicz, Bartlomiej, Kinga Jędrzejczak, Pawel Jarka, and Tomasz Tański. "Effect of the Nanostructures Addition on TiO<sub>2</sub> Photoanode and DSSC Properties." Solid State Phenomena 326 (November 2, 2021): 89–99. http://dx.doi.org/10.4028/www.scientific.net/ssp.326.89.

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Photoelectrodes are key components of the dye-sensitized solar cells (DSSCs), and as such improving their properties, may lead to an overall improvement of the entire cell.This paper aims to fabricate and compare the properties of various photoanodes (resulting in DSSCs) to determine how the overall efficiency of the cell is affected by various additives mixed into the TiO2 paste deposited on fluorine-doped tin oxide (FTO) covered glass, thus changing the photoanode composition. The TiO2 paste has been previously mixed with various materials such as ZnO, SiO2, Pd, and carbon nanotubes (CNTs).

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SALEEM, MUHAMMAD, L. FANG, M. ASHFAQ AHMAD, et al. "SYNTHESIS, CHARACTERISTICS AND APPLICATIONS OF ZnO NANOWIRES IN DYE-SENSITIZED SOLAR CELLS VIA WATER BATH METHOD." Nano 09, no. 06 (2014): 1450061. http://dx.doi.org/10.1142/s1793292014500611.

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Zinc oxide ( ZnO ) nanowire (NW) films were synthesized at low temperature (95°C) through amine-assisted solution process and used as photoanode for the fabrication of dye-sensitized solar cells (DSSCs). It was found that with the addition of polyethyleneimine (PEI) and ammonium hydroxide ( NH 4 OH ) in growth solution, the NWs were smaller in diameter and longer in length by prolonging the growth time without refreshing the growth solution. A reasonable overall conversion efficiency of 1.25% was achieved with photoanode based on ZnO NWs containing PEI and NH 4 OH . However, DSSC fabricated wi

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Kim, Seungkyu, Yejong Yu, Sang Yun Jeong, et al. "Plasmonic gold nanoparticle-decorated BiVO4/ZnO nanowire heterostructure photoanodes for efficient water oxidation." Catalysis Science & Technology 8, no. 15 (2018): 3759–66. http://dx.doi.org/10.1039/c8cy00685g.

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To enhance the charge separation and kinetics of water oxidation using a BiVO<sub>4</sub> photoanode, a BiVO<sub>4</sub>/ZnO nanowire heterostructure decorated with gold (Au) nanoparticles is fabricated as a photoanode for photoelectrochemical water splitting.

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Wang, Yu-Fen, Xin Wang, Xi-Fei Li, and De-Jun Li. "Dye-sensitized solar cells based on a 1D/3D double-layered ZnO photoanode with improved photovoltaic performance." RSC Advances 5, no. 99 (2015): 81253–59. http://dx.doi.org/10.1039/c5ra11257e.

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The ZnO ellipsoids and spheres are fabricated via a facile sonochemical process. Dye-sensitized solar cells based on 1D/3D double layered ZnO photoanode are designed. The ZnO ellipsoids and spheres show superior light scattering ability in DSSCs.

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Liu, Jia, Yinghua Zhang, Zhian Huang, Zhiming Bai, and Yukun Gao. "Photoelectrocatalytic Oxidation of Methane into Methanol over ZnO Nanowire Arrays Decorated with Plasmonic Au Nanoparticles." Nano 14, no. 02 (2019): 1950017. http://dx.doi.org/10.1142/s1793292019500176.

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The pursuit for efficient conversion of methane under ambient conditions remains a challenge. Here, we reported photoelectrocatalytic oxidation of methane into methanol over ZnO nanowire arrays (NWAs) decorated with Au nanoparticles (NPs) under simulated sunlight illumination with ambient conditions. The photoelectrochemical (PEC) performances of the ZnO and ZnO/Au photoanodes were investigated to analyze the behavior and intensity of the reaction process of methane oxidation. The Faradaic efficiency of ZnO/Au was calculated to be 32.11%, nearly three times of 11.69% for ZnO. The above results

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