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Journal articles on the topic 'Organic synthesis, dyes, photovoltaics, DSSC'

Author: Grafiati

Published: 10 March 2023

Last updated: 31 July 2025

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1

Hosseinnezhad, Mozhgan. "A series of new organic sensitisers for dye-sensitised solar cells." Pigment & Resin Technology 45, no. 4 (2016): 234–39. http://dx.doi.org/10.1108/prt-02-2015-0015.

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Purpose Dye-sensitised solar cells (DSSCs) have attracted a great deal of interest. Dye molecules are key materials in DSSCs that produce electrons. This study reports on synthesis of the organic dyes and investigation their performance in DSSCs. Design/methodology/approach A series of new organic dyes were prepared using double rhodanine as the fundamental electron-acceptor group and aldehydes with varying substituents as the electron-donor groups. These dyes were first purified and then characterised by analytical techniques. DSSCs were fabricated to determine the photovoltaic behaviour and

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2

Szlapa-Kula, Agata, Przemyslaw Ledwon, Agnieszka Krawiec, and Slawomir Kula. "Dibenzofulvene Derivatives as Promising Materials for Photovoltaic and Organic Electronics." Energies 16, no. 24 (2023): 8027. http://dx.doi.org/10.3390/en16248027.

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This review aimed to summarize the current knowledge regarding dibenzofulvene derivatives (DBF) investigated for photovoltaics and organic electronics applications. The work begins with a detailed analysis of the synthesis and modification methods for dibenzofulvene derivatives’ structure. Then, the physicochemical properties (thermal, electrochemical, and optical) of the selected compounds are discussed in detail. Moreover, this article also presents the DFT calculations performed so far. Finally, the review presents the latest research on the applications of dibenzofulvene derivatives as dye

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Arooj, Qudsia, Gregory J. Wilson, and Feng Wang. "Methodologies in Spectral Tuning of DSSC Chromophores through Rational Design and Chemical-Structure Engineering." Materials 12, no. 24 (2019): 4024. http://dx.doi.org/10.3390/ma12244024.

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The investigation of new photosensitizers for Grätzel-type organic dye-sensitized solar cells (DSSCs) remains a topic of interest for researchers of alternative solar cell materials. Over the past 20 years, considerable and increasing research efforts have been devoted to the design and synthesis of new materials, based on “donor, π-conjugated bridge, acceptor” (D–π–A) organic dye photosensitizers. In this paper, the computational chemistry methods are outlined and the design of organic sensitizers (compounds, dyes) is discussed. With reference to recent literature reports, rational molecular

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Kumaran, T. Saravana, A. Prakasam, P. Vennila, S. Parveen Banu, and G. Venkatesh. "New Carbazole-Based Organic Dyes with Various Acceptors for Dye-Sensitized Solar Cells: Synthesis, Characterization, DSSCs Fabrications and DFT Study." Asian Journal of Chemistry 33, no. 7 (2021): 1541–50. http://dx.doi.org/10.14233/ajchem.2021.23197.

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The molecular configuration, synthesis and characterization of (E)-3-(6-bromo-9-phenyl-9H-carbazol- 3-yl)acrylic acid (BPA), (E)-3-(6-bromo-9-phenyl-9H-carbazol-3-yl)-2-cyanoacrylic acid (BPCA) and (E)-N′-((6-bromo-9-phenyl-9H-carbazol-3-yl)methylene)-2-cyanoacetohydrazide (BPCH) configured D-π-A sensitizers and the sensitizers are used in DSSCs. Dye molecules are described by FT-IR, NMR and UV-Vis analysis. The study shows that the non-planar structure of BPA, BPCA and BPCH can effectively slow down the aggregation and conjugation of the dye. Computed vibrational modes are compared with obser

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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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Velez, Afonso Santine M. M., Daniela Pinheiro, Carlos Serpa, Rosane Nora Castro, Marco Edilson Freire de Lima, and Otávio Augusto Chaves. "Studies on a New 1,3,4-Oxadiazole Bixin Dimer for Potential Application in Dye-Sensitized Solar Cells." Reactions 6, no. 3 (2025): 39. https://doi.org/10.3390/reactions6030039.

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Dye-sensitized solar cells (DSSCs) have emerged as a promising technology for converting sunlight into electricity at a low cost; however, it is still necessary to find a photostable, low-cost, and efficient photosensitizer. In this sense, the natural product bixin (Dye 1) has previously been reported as a potential photosensitizer. Thus, the present work reports the full synthesis of diester and diacid hybrids (Dyes 2 and 3, respectively, with corresponding yields of 93% and 52%) using the natural product bixin as a starting material and 1,3,4-oxadiazole ring as a connected point. The hydroly

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Kotteswaran, S., M. Senthil Pandian, and P. Ramasamy. "Synthesis, optical, electrochemical and photovoltaic properties of donor modified organic dyes for dye-sensitized solar cell (DSSC) applications." Journal of Materials Science: Materials in Electronics 29, no. 8 (2018): 6672–78. http://dx.doi.org/10.1007/s10854-018-8653-8.

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8

Sarrato, João, Ana Lucia Pinto, Gabriela Malta, et al. "New 3-Ethynylaryl Coumarin-Based Dyes for DSSC Applications: Synthesis, Spectroscopic Properties, and Theoretical Calculations." Molecules 26, no. 10 (2021): 2934. http://dx.doi.org/10.3390/molecules26102934.

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A set of 3-ethynylaryl coumarin dyes with mono, bithiophenes and the fused variant, thieno [3,2-b] thiophene, as well as an alkylated benzotriazole unit were prepared and tested for dye-sensitized solar cells (DSSCs). For comparison purposes, the variation of the substitution pattern at the coumarin unit was analyzed with the natural product 6,7-dihydroxycoumarin (Esculetin) as well as 5,7-dihydroxycomarin in the case of the bithiophene dye. Crucial steps for extension of the conjugated system involved Sonogashira reaction yielding highly fluorescent molecules. Spectroscopic characterization s

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9

Madar, Suresh F., Avinash C. Mendhe, Ahmedraza Mavazzan, et al. "Novel Phenothiazine and Coumarin based Sensitizers: Design, Synthesis and Photoelectrochemical Application by Anchoring on CdS Nanowires." Asian Journal of Chemistry 36, no. 5 (2024): 1142–50. http://dx.doi.org/10.14233/ajchem.2024.31400.

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Novel metal-free organic dyes (E)-2-cyano-3-(10-(prop-2-yn-1-yl)-10H-phenothiazin-3-yl)acrylic acid (PPC) and (E)-2-cyano-3-(10-((1-((7-methyl-2-oxo-2H-chromen-4-yl)methyl)-1H-1,2,3-triazol-4-yl)methyl)-4a,10a-dihydro-10H-phenothiazin-3-yl)acrylic acid (PCTC) was synthesized and then anchored to 1D cadmium sulfide nanowires (1D CdS NWs) for application in photoelectrochemical dye-sensitized solar cell (DSSC). The 1D CdS nanowires were interconnected into a nanonetwork using solution chemistry in a straightforward and efficient manner. The UV-visible spectroscopy, cyclic voltammetry and density

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Kim, Mi-Ra, Thanh Chung Pham, Yeonghwan Choi, et al. "Syntheses and Photovoltaic Properties of New Pyrazine-Based Organic Photosensitizers for Dye-Sensitized Solar Cells." Energies 15, no. 16 (2022): 5938. http://dx.doi.org/10.3390/en15165938.

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Three novel pyrazine-based organic photosensitizers denoted as TPP, TPPS, and TPPF were synthesized for dye-sensitized solar cell (DSSC) studies. Chemical structures of the pyrazine-based photosensitizers were designed with pyrazine derivatives as acceptors, triphenylamine groups as donors, and the thiophene–cyanoacryl group as an auxiliary heterocyclic linkers-acceptor. Using UV-vis spectrophotometry, cyclic voltammetry, and density functional theory calculations, optical and electrochemical characteristics of these pyrazine-based photosensitizers were examined and explored in relation to pho

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Hosseinnezhad, Mozhgan, and Kamaladin Gharanjig. "Investigation of photovoltaic properties of nanostructure indoline dye-sensitised solar cells using changes in assembling materials." Pigment & Resin Technology 46, no. 5 (2017): 393–98. http://dx.doi.org/10.1108/prt-04-2016-0044.

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Purpose The purpose of this paper is to study assembling parameters in dye-sensitised solar cells (DSSCs) performance. For this end, 3a,7a-dihydroxy-5ß-cholanic acid (cheno) are selected as anti-aggregation agent and two solutions, namely, tetrabutyl ammonium iodide and (PMII)IL used as electrolyte. Design/methodology/approach A series of organic dyes were selected using N-substituents carbazole as electron donor group and acrylic acid and cyanoacrylic acid as electron acceptor groups. Absorption properties of purified dyes were studied in solution and on photoelectrode substrate. DSSCs were p

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Hosseinnezhad, Mozhgan, and Hanieh Shaki. "Investigation of photovoltaic properties of dye-sensitized solar cells based on azo dyes contain various anchoring groups." Pigment & Resin Technology 48, no. 6 (2019): 481–86. http://dx.doi.org/10.1108/prt-04-2019-0033.

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Purpose The purpose of this paper is to study the substituent effect in dye-sensitized solar cells’ (DSSCs) performance. For this end, three new metal organic dyes with DPA structure were synthesized. For investigation of the substituent effect, two different anchoring groups, namely, 1,3-dioxo-1Hbenz[de]isoquinolin-2(3H)-yl)benzenesulfonamides and 1,8-naphthalimide, were used. Design/methodology/approach Three organic dyes based on azo were selected, which contain various electron donor groups. Absorption properties of purified dyes were studied in solution and on photoelectrode (TiO2 and ZnO

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13

Kim, Ji-Hye, Sung-Yoon Park, Dong-Hyuk Lim, So-Young Lim, Jonghoon Choi, and Hyung-Jun Koo. "Eco-Friendly Dye-Sensitized Solar Cells Based on Water-Electrolytes and Chlorophyll." Materials 14, no. 9 (2021): 2150. http://dx.doi.org/10.3390/ma14092150.

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Organic solvents used for electrolytes of dye-sensitized solar cells (DSSCs) are generally not only toxic and explosive but also prone to leakage due to volatility and low surface tension. The representative dyes of DSSCs are ruthenium-complex molecules, which are expensive and require a complicated synthesis process. In this paper, the eco-friendly DSSCs were presented based on water-based electrolytes and a commercially available organic dye. The effect of aging time after the device fabrication and the electrolyte composition on the photovoltaic performance of the eco-friendly DSSCs were in

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Barłóg, Maciej, Cagdas Yavuz, Abdulrahman K. Ali, et al. "An electron rich indaceno [2,1-b:6,5-b′] dithiophene derivative as a high intramolecular charge transfer material in dye sensitized solar cells." New Journal of Chemistry 45, no. 5 (2021): 2734–41. http://dx.doi.org/10.1039/d0nj06067d.

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Chriyaa, Mohamed Reda, Hayat EL Ouafy, Walid Iken та ін. "Exploring the impact of spacers in novel indole-based D–π–D–A dyes for high-efficiency DSSCs: A DFT/TD-DFT stud". Current Chemistry Letters 14, № 3 (2025): 533–46. https://doi.org/10.5267/j.ccl.2025.3.004.

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Population growth and economic development have led to an increase in global energy consumption. Solar energy, a major renewable source, is essential to meeting human energy needs. This study, four new organic dyes (A1–A4) with a D–π–D–A structure using DFT and TD-DFT techniques for their potential application in dye-sensitized solar cells (DSSCs). The impact of π-bridge modifications of the A0 (reference molecule) on the structural, photovoltaic, optical and electronic properties was analyzed. The dyes showed band gaps (Egap) ranging from 2.4 to 3.5eV and absorption wavelengths (λ) from 420.1

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Meti, Puttavva, Goli Nagaraju, Jung-Won Yang, Sun Hwa Jung та Young-Dae Gong. "Synthesis of dipyrrolopyrazine-based sensitizers with a new π-bridge end-capped donor–acceptor framework for DSSCs: a combined experimental and theoretical investigation". New Journal of Chemistry 43, № 7 (2019): 3017–25. http://dx.doi.org/10.1039/c8nj06083e.

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D’Amico, Francesco, Bas de Jong, Matteo Bartolini, et al. "Recent Advances in Organic Dyes for Application in Dye-Sensitized Solar Cells under Indoor Lighting Conditions." Materials 16, no. 23 (2023): 7338. http://dx.doi.org/10.3390/ma16237338.

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Among the emerging photovoltaic (PV) technologies, Dye-Sensitized Solar Cells (DSSCs) appear especially interesting in view of their potential for unconventional PV applications. In particular, DSSCs have been proven to provide excellent performances under indoor illumination, opening the way to their use in the field of low-power devices, such as wearable electronics and wireless sensor networks, including those relevant for application to the rapidly growing Internet of Things technology. Considering the low intensity of indoor light sources, efficient light capture constitutes a pivotal fac

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Kumaran, T. Saravana, A. Prakasam, P. M. Anbarasan, et al. "New Phenoxazine-Based Organic Dyes with Various Acceptors for Dye-Sensitized Solar Cells: Synthesis, Characterization, DSSCs Fabrications and DFT Study." Journal of Computational Biophysics and Chemistry 20, no. 05 (2021): 465–76. http://dx.doi.org/10.1142/s2737416521500253.

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As sensitizers, a series of organic dyes containing phenoxazine is synthesized for use in dye-sensitized solar cells (DSSCs). The dyes were characterized using FT-IR, NMR and UV experiments. Quantum chemical calculations were used to gain insight into the structural, electronic and photophysical properties including its as-synthesized sensitizers, as well as to allocate experimental spectroscopic results. It has been observed that increasing the electron-donor potential and the [Formula: see text]-conjugated bridge of the dyes would increase the photovoltaic performance. The obtained two dyes

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Jabeen, Mussarat, Iqra Mutaza, and Rabia Anwar. "DSSC sensitizers: A Panoramic comparison." Journal of the Turkish Chemical Society Section A: Chemistry 12, no. 1 (2025): 35–46. https://doi.org/10.18596/jotcsa.1467947.

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Currently, energy and greenhouse gas emissions are the biggest problems. As a result of overpopulation and high energy consumption, non-renewable energy sources are continuously depleting. Greenhouse gases are also being emitted at a very high rate. The modern world must use renewable energy sources, among which solar energy is safe and available everywhere. Solar energy is efficiently transformed into electrical energy by photovoltaics (solar cells). During the past decades, DSSC the type of thin-film photovoltaics, gained importance due to cost-effectiveness, durability, ease fabrication, an

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Fernandes, Sara S. M., Maria Cidália R. Castro, Dzmitry Ivanou, Adélio Mendes, and Maria Manuela M. Raposo. "Push-Pull Heterocyclic Dyes Based on Pyrrole and Thiophene: Synthesis and Evaluation of Their Optical, Redox and Photovoltaic Properties." Coatings 12, no. 1 (2021): 34. http://dx.doi.org/10.3390/coatings12010034.

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Three heterocyclic dyes were synthesized having in mind the changes in the photovoltaic, optical and redox properties by functionalization of 5-aryl-thieno[3,2-b]thiophene, 5-arylthiophene and bis-methylpyrrolylthiophene π-bridges with different donor, acceptor/anchoring groups. Knoevenagel condensation of the aldehyde precursors with 2-cyanoacetic acid was used to prepare the donor-acceptor functionalized heterocyclic molecules. These organic metal-free dyes are constituted by thieno[3,2-b]thiophene, arylthiophene, bis-methylpyrrolylthiophene, spacers and one or two cyanoacetic acid acceptor

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Franchi, Daniele, Matteo Bartolini, Francesco D’Amico, et al. "Exploring Different Designs in Thieno[3,4-b]pyrazine-Based Dyes to Enhance Divergent Optical Properties in Dye-Sensitized Solar Cells." Processes 11, no. 5 (2023): 1542. http://dx.doi.org/10.3390/pr11051542.

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Two novel organic sensitizers for Dye-Sensitized Solar Cells (DSSC), called TP1 and TP2, based on the electron-poor thieno[3,4-b]pyrazine (TPz) π-bridge and the electron-rich N,N-bis(4-(hexylthio)phenyl)aniline (TPA) were designed following two different approaches: the classical D-A-π-A design and a symmetric structure with double anchoring functions. Both compounds were prepared exploiting short synthetic pathways based on direct arylation strategies and possibly one-pot desymmetrization. The two novel dyes displayed opposite optical properties: a broad and intense light absorption over the

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Franchi, Daniele, Massimo Calamante, Carmen Coppola, et al. "Synthesis and Characterization of New Organic Dyes Containing the Indigo Core." Molecules 25, no. 15 (2020): 3377. http://dx.doi.org/10.3390/molecules25153377.

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A new series of symmetrical organic dyes containing an indigo central core decorated with different electron donor groups have been prepared, starting from Tyrian Purple and using the Pd-catalyzed Stille-Migita coupling process. The effect of substituents on the spectroscopic properties of the dyes has been investigated theoretically and experimentally. In general, all dyes presented intense light absorption bands, both in the blue and red regions of the visible spectrum, conferring them a bright green color in solution. Using the same approach, an asymmetrically substituted D–A-π–A green dye,

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Fujisawa, Jun-ichi. "Interfacial Charge-Transfer Transitions for Direct Charge-Separation Photovoltaics." Energies 13, no. 10 (2020): 2521. http://dx.doi.org/10.3390/en13102521.

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Photoinduced charge separation (PCS) plays an essential role in various solar energy conversions such as photovoltaic conversion in solar cells. Usually, PCS in solar cells occurs stepwise via solar energy absorption by light absorbers (dyes, inorganic semiconductors, etc.) and the subsequent charge transfer at heterogeneous interfaces. Unfortunately, this two-step PCS occurs with a relatively large amount of the energy loss (at least ca. 0.3 eV). Hence, the exploration of a new PCS mechanism to minimize the energy loss is a high-priority subject to realize efficient solar energy conversion. I

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Khalifa, Mohamed E., Abdulraheem S. A. Almalki, Amar Merazga, and Gaber A. M. Mersal. "Design, Molecular Modeling and Synthesis of Metal-Free Sensitizers of Thieno Pyridine Dyes as Light-Harvesting Materials with Efficiency Improvement Using Plasmonic Nanoparticles." Molecules 25, no. 8 (2020): 1813. http://dx.doi.org/10.3390/molecules25081813.

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Considering the thiophene unit as an electron-rich heterocycle, it is investigated with the aim of elucidating its potential efficiency for solar cell application. With the introduction of active substituents such as COOEt, CONH2 and CN into the thiophene segment, three novel thieno pyridine sensitizers (6a–c), based on donor-acceptor D-π-A construction, are designed and synthesized. The effect of the anchoring groups is investigated based on their molecular orbital’s (MO’s) energy gap (Eg). The electrostatic interaction between the synthesized dyes and metal nanoparticles, namely gold, silver

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Sharma, Vikas, Kovida Kovida, Dhananjaya Sahoo, Nonu Varghese, Kallol Mohanta, and Apurba Lal Koner. "Synthesis and photovoltaic application of NIR-emitting perylene-monoimide dyes with large Stokes-shift." RSC Advances 9, no. 52 (2019): 30448–52. http://dx.doi.org/10.1039/c9ra04833b.

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A series of NIR emitting perylene-monoimide (PMI) dyes were developed via tetra alkynylation of PMI(Br)<sub>4</sub> at bay and peri positions using Sonogashira coupling protocol for organic photovoltaics application.

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Athithya, Seenidurai, Valparai Surangani Manikandan, Santhana Krishnan Harish, et al. "Plasmon Effect of Ag Nanoparticles on TiO2/rGO Nanostructures for Enhanced Energy Harvesting and Environmental Remediation." Nanomaterials 13, no. 1 (2022): 65. http://dx.doi.org/10.3390/nano13010065.

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We report Ag nanoparticles infused with mesosphere TiO2/reduced graphene oxide (rGO) nanosheet (TiO2/rGO/Ag) hybrid nanostructures have been successfully fabricated using a series of solution process synthesis routes and an in-situ growth method. The prepared hybrid nanostructure is utilized for the fabrication of photovoltaic cells and the photocatalytic degradation of pollutants. The photovoltaic characteristics of a dye-sensitized solar cell (DSSC) device with plasmonic hybrid nanostructure (TiO2/rGO/Ag) photoanode achieved a highest short-circuit current density (JSC) of 16.05 mA/cm2, an o

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Ponnambalam, Sabarikirishwaran, Pattranan Junluthin, Rameshprabu Ramaraj, and Yuwalee Unpaprom. "A comprehensive review of the evolution of dye-sensitized solar cells from ruthenium dyes to organic pigments with the influence of graphene nanoribbons." Maejo International Journal of Energy and Environmental Communication 5, no. 2 (2023): 1–13. http://dx.doi.org/10.54279/mijeec.v5i2.250693.

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Dye-sensitized solar cells (DSSCs) have emerged as a significant advancement in renewable energy, rivalling traditional silicon-based photovoltaics. The dye in these cells has transitioned from costly ruthenium-based compounds to cost-effective, natural organic pigments. This shift has enhanced DSSCs' efficiency and stability, with their flexibility positioning them as potential alternatives to conventional rigid solar panels. Yet, there remains the hurdle of plastic substrates' temperature limitations, especially when DSSC production often requires much higher temperatures. Innovations to add

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Meyer, Mbese, and Agoro. "The Frontiers of Nanomaterials (SnS, PbS and CuS) for Dye-Sensitized Solar Cell Applications: An Exciting New Infrared Material." Molecules 24, no. 23 (2019): 4223. http://dx.doi.org/10.3390/molecules24234223.

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To date, extensive studies have been done on solar cells on how to harness the unpleasant climatic condition for the binary benefits of renewable energy sources and potential energy solutions. Photovoltaic (PV) is considered as, not only as the future of humanity’s source of green energy, but also as a reliable solution to the energy crisis due to its sustainability, abundance, easy fabrication, cost-friendly and environmentally hazard-free nature. PV is grouped into first, second and third-generation cells. Dye-sensitized solar cells (DSSCs), classified as third-generation PV, have gained mor

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Reda, Safenaz M., and Said A. El-Sherbieny. "Dye-sensitized nanocrystalline CdS and ZnS solar cells with different organic dyes." Journal of Materials Research 25, no. 3 (2010): 522–28. http://dx.doi.org/10.1557/jmr.2010.0077.

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We have developed dye-sensitized nanocrystalline CdS and ZnS solar cells (DSSCs) based on crystal violet, methylene blue, and fluorescein photosensitizers. Nanocrystalline CdS and ZnS were synthesized by a green synthesis method using starch as the capping agent. Characterization of nanocrystalline CdS and ZnS was carried out by optical absorption and x-ray diffraction. The results indicate that CdS and ZnS prepared by this method may be used as photoelectodes in photo-electro-chemical energy conversion systems. DSSCs have been built and their photocurrent, open-circuit voltage, fill factor, a

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Koyyada, Ganesh, Ramesh Kumar Chitumalla, Suresh Thogiti, et al. "A New Series of EDOT Based Co-Sensitizers for Enhanced Efficiency of Cocktail DSSC: A Comparative Study of Two Different Anchoring Groups." Molecules 24, no. 19 (2019): 3554. http://dx.doi.org/10.3390/molecules24193554.

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Herein, we report the design and synthesis strategy of a new class of five EDOT based co-sensitizers (CSGR1-5) by introducing different donors (2,3,4-trimethoxypheny, 2,4-dibutoxyphenyl, and 2,4-difluorophenyl) and anchoring groups (rhodamine-3-acetic acid and cyanoacetic acid) systematically. The synthesized metal-free organic co-sensitizers were employed for cocktail dye-sensitized solar cells along with N749 (black dye). The DSSC devices with a mixture of co-sensitizers (CSGR1-5) and N749 have shown a 7.95%, 8.40%, 7.81%, 6.56% and 6.99% power conversion efficiency (PCE) respectively, which

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S. Keremane, Kavya, Airody Vasudeva та Adhikari Adhikari. "Simple phenylene-bridged D-π-A type photosensitizers for DSSC application: Synthesis, optical, electrochemical and theoretical studies". Journal of Organic Chemistry: Synthesis and Process Development 1, № 1 (2021): 13–21. http://dx.doi.org/10.55124/jocpd.v1i1.140.

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Herein, we report the design and synthesis of two new phenylene-bridged D-π-A configured organic molecules N1-2 carrying two different anchors and the same donor unit, as potential sensitizers for DSSC application. In the new design, a simple O-alkyl substituted phenyl group acts as a donor scaffold, cyanovinylene, and phenylene systems serve as π-spacers, while cyanoacetic acid and barbituric acid units function as electron acceptor/anchoring moieties. The current work also highlights their structural, photophysical, electrochemical, and theoretical investigations, including evaluation of the

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Yzeiri, Xheila, Massimo Calamante, Alessio Dessì, et al. "Synthesis and Spectroscopic Characterization of Thienopyrazine-Based Fluorophores for Application in Luminescent Solar Concentrators (LSCs)." Molecules 26, no. 18 (2021): 5428. http://dx.doi.org/10.3390/molecules26185428.

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Organic fluorophores have found broad application as emitters in luminescent solar concentrators (LSCs) for silicon photovoltaics. In particular, the preparation of organic conjugated systems with intense light-harvesting ability, emissions in the deep-red and NIR regions, and large Stokes shift values represent a very challenging undertaking. Here, we report a simple and easy way to prepare three symmetrical donor–acceptor–donor (DAD) organic-emitting materials based on a thienopyrazine core. The central core in the three dyes was modified with the introduction of aromatic substituents, aimin

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Sezgin, Cansu, and İbrahim Erden. "Based on thiophene-containing Zn(II) and Co(II) complexes: Synthesis, characterization, and application to dye-sensitized solar cells." Main Group Chemistry 24, no. 1 (2024): 17–23. https://doi.org/10.1177/10241221241290906.

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Dye-sensitized solar Cells have attracted great attention recently due to their excellent advantages. This study introduces the cobalt and zinc metal complexes as a new class of sensitizers for evaluation. We report the synthesis and characterization of zinc and cobalt complexes of organic dyes and applications of Dye-Sensitive TiO2 Solar Cells. In this study, the reason we prefer cobalt and zinc complexes is that they provide a wide absorption spectrum and high molar absorption. The fact that these complexes have good energy level adaptations helps in efficient electron transfer. In the desig

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Aivali, Stefania, Loukia Tsimpouki, Charalampos Anastasopoulos, and Joannis K. Kallitsis. "Synthesis and Optoelectronic Characterization of Perylene Diimide-Quinoline Based Small Molecules." Molecules 24, no. 23 (2019): 4406. http://dx.doi.org/10.3390/molecules24234406.

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Perylene diimide (PDI) is one of the most studied functional dyes due to their structural versatility and fine tuning of the materials properties. Core substituted PDIs are prominent n-type semiconductor materials that could be used as non-fullerene acceptors in organic photovoltaics. Herein, we develop versatile organic building blocks based on PDI by decorating the PDI core with quinoline groups. Styryl and hydroxy phenyl mono and difunctionalized molecules were prepared using mono-nitro and dibromo bay substituted PDIs by Suzuki coupling with the respective boronic acid derivatives. A novel

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Inomata, Tomohiko, Mayuka Hatano, Yuya Kawai, et al. "Synthesis and Physico-Chemical Properties of Homoleptic Copper(I) Complexes with Asymmetric Ligands as a DSSC Dye." Molecules 26, no. 22 (2021): 6835. http://dx.doi.org/10.3390/molecules26226835.

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To develop low-cost and efficient dye-sensitized solar cells (DSSCs), we designed and prepared three homoleptic Cu(I) complexes with asymmetric ligands, M1, M2, and Y3, which have the advantages of heteroleptic-type complexes and compensate for their synthetic challenges. The three copper(I) complexes were characterized by elemental analysis, UV-vis absorption spectroscopy, and electrochemical measurements. Their absorption spectra and orbital energies were evaluated and are discussed in the context of TD-DFT calculations. The complexes have high VOC values (0.48, 0.60, and 0.66 V for M1, M2,

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Al-Ahmed, Amir, Bello Mukhtar, Safdar Hossain, S. M. Javaid Zaidi, and S. U. Rahman. "Application of Titanium Dioxide (TiO₂) Based Photocatalytic Nanomaterials in Solar and Hydrogen Energy: A Short Review." Materials Science Forum 712 (February 2012): 25–47. http://dx.doi.org/10.4028/www.scientific.net/msf.712.25.

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Tremendous amount of research work is going on Titanium dioxide (TiO2) based materials. These materials have many useful applications in our scientific and daily life and it ranges from photovoltaics to photocatalysis to photo-electrochromics, sensors etc.. All these applications can be divided into two broad categories such as environmental (photocatalysis and sensing) and energy (photovoltaics, water splitting, photo-/electrochromics, and hydrogen storage). Synthesis of TiO2nanoparticles with specific size and structural phase is crucial, for solar sell application. Monodispersed spherical c

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Abusaif, Moustafa S., M. Fathy, M. A. Abu-Saied, et al. "New carbazole-based organic dyes with different acceptors for dye-sensitized solar cells: Synthesis, characterization, dssc fabrications and density functional theory studies." Journal of Molecular Structure 1225 (February 2021): 129297. http://dx.doi.org/10.1016/j.molstruc.2020.129297.

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Huang, Qihao, Bo Pan, and Zhengxiang Wang. "Organic Electronics in Flexible Devices: Engineering Strategy, Synthesis, And Application." Highlights in Science, Engineering and Technology 96 (May 5, 2024): 251–60. http://dx.doi.org/10.54097/27rxb764.

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In recent years, flexible electronics have made significant strides, especially in organic light-emitting diodes, photovoltaics, thin-film transistors, integrated circuits, sensors, and memories. This study investigates the pivotal role of organic electronics in shaping flexible and wearable technology. It explores key aspects such as conductive polymers, small molecule organic semiconductors, and the use of organic dyes and pigments in displays, alongside synthesis techniques like polymerization and vapor deposition. These methods highlight advances in flexibility engineering and integration

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El Assyry, Abdeslam, Issam Rafiq, Mohamed Rbaa, Abdelali Derouiche, and Brahim Lakhrissi. "Optical and Photovoltaic Properties of New Synthesized Quinoxaline-2,3 Dione Derivatives for Efficient Dye Sensitized Solar Cell Application." Trends in Sciences 19, no. 19 (2022): 6173. http://dx.doi.org/10.48048/tis.2022.6173.

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In this study, the synthesis of 4 new heterocyclic compounds derived from quinoxalinedione were presented, which have been characterized by 1H and 13C NMR spectroscopy. The solar cells’ photovoltaic properties based on these novels organic compounds donor-π-acceptor dyes were studied. Density functional theory DFT method is realized to optimize electronic parameters, optical and photovoltaic properties for some new 8-hydroxyquinoline derivatives based on quinoxaline-2,3-dione. The results have shown that time-dependent DFT (TDDFT) investigations with polarizable continuum model PCM were signif

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Ren, Shiwei, and Abderrahim Yassar. "Recent Research Progress in Indophenine-Based-Functional Materials: Design, Synthesis, and Optoelectronic Applications." Materials 16, no. 6 (2023): 2474. http://dx.doi.org/10.3390/ma16062474.

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This review highlights selected examples, published in the last three to four years, of recent advance in the design, synthesis, properties, and device performance of quinoidal π-conjugated materials. A particular emphasis is placed on emerging materials, such as indophenine dyes that have the potential to enable high-performance devices. We specifically discuss the recent advances and design guidelines of π-conjugated quinoidal molecules from a chemical standpoint. To the best of the authors’ knowledge, this review is the first compilation of literature on indophenine-based semiconducting mat

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Chi, Chih-Chin, Yu-Jui Huang, and Chin-Ti Chen. "Synthesis and Spectroscopic Characterization of Dual Absorption BODIPY Type Dyes and their Light Harvesting Application in Polymer-Based Bulk Hetrojunction Organic Photovoltaics." Journal of the Chinese Chemical Society 59, no. 3 (2012): 305–16. http://dx.doi.org/10.1002/jccs.201100612.

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Ghanem, Tatiana, Tony Vincendeau, Pablo Simón Marqués, et al. "Synthesis of push–pull triarylamine dyes containing 5,6-difluoro-2,1,3-benzothiadiazole units by direct arylation and their evaluation as active material for organic photovoltaics." Materials Advances 2, no. 22 (2021): 7456–62. http://dx.doi.org/10.1039/d1ma00798j.

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Direct (hetero)-arylation was used to prepare two push–pull molecules. Optimization of the experimental coupling conditions and their preliminary evaluation as active materials in simple air-processed organic solar cells are reported herein.

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Krupka, Oksana, and Piétrick Hudhomme. "Recent Advances in Applications of Fluorescent Perylenediimide and Perylenemonoimide Dyes in Bioimaging, Photothermal and Photodynamic Therapy." International Journal of Molecular Sciences 24, no. 7 (2023): 6308. http://dx.doi.org/10.3390/ijms24076308.

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The emblematic perylenediimide (PDI) motif which was initially used as a simple dye has undergone incredible development in recent decades. The increasing power of synthetic organic chemistry has allowed it to decorate PDIs to achieve highly functional dyes. As these PDI derivatives combine thermal, chemical and photostability, with an additional high absorption coefficient and near-unity fluorescence quantum yield, they have been widely studied for applications in materials science, particularly in photovoltaics. Although PDIs have always been in the spotlight, their asymmetric counterparts,

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Torres, Tomas, Elisa López-Serrano, Marta Gomez-Gomez, et al. "(Invited) Porphyrinoid-Carbon Nanostructure Ensembles and Fused Porphyrin-Graphene Nanoribbons." ECS Meeting Abstracts MA2022-01, no. 11 (2022): 828. http://dx.doi.org/10.1149/ma2022-0111828mtgabs.

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Phthalocyanines (Pcs) have emerged as excellent light harvesting antennas for incorporation into D-A systems, mainly in connection with carbon nanostructures, like endohedral metallofullerenes, SWCNT and graphene, as acceptor or donor moieties, in which the Pc has been attached, covalently or through supramolecular interactions. They are among the few molecules that reveal an intense red and NIR absorption and therefore, constitute also promising dyes in molecular photovoltaics. Pcs have a great chemical versatility, which allows to modify their electronic character and their physicochemical p

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Badawy, Safa A., Ehab Abdel-Latif, and Mohamed R. Elmorsy. "Tandem dye-sensitized solar cells achieve 12.89% efficiency using novel organic sensitizers." Scientific Reports 14, no. 1 (2024). http://dx.doi.org/10.1038/s41598-024-75959-0.

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AbstractThis study presents a significant advancement in tandem dye-sensitized solar cells (T-DSSCs) through the strategic synthesis of novel triazatruxene (TAT) sensitizers MS-1 and MS-2. These organic sensitizers demonstrate exceptional light-harvesting capacity and overall performance, pushing the boundaries of power conversion efficiency (PCE) in DSSCs. The MS-1-based DSSCs achieved an impressive PCE of 12.81%, while MS-2 sensitizers reached a notable 10.92%. These efficiencies represent significant improvements over the conventional N719 dye (7.60%), demonstrating the potential of metal-f

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Mahmoud, Samar E., Ahmed A. Fadda, Ehab Abdel-Latif, and Mohamed R. Elmorsy. "Synthesis of Novel Triphenylamine-Based Organic Dyes with Dual Anchors for Efficient Dye-Sensitized Solar Cells." Nanoscale Research Letters 17, no. 1 (2022). http://dx.doi.org/10.1186/s11671-022-03711-6.

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AbstractA new series of metal-free organic dyes (SM1-5) with dual anchors are synthesized for application in dye-sensitized solar cells (DSSC). Here, a simple triphenylamine (TPA) moiety serves as the electron donor, while di-cyanoacrylamide and di-thiazolidine-5-one units serve as the electron acceptors and anchoring groups. To understand the effect of dye structure on the photovoltaic characteristics of DSSCs, the photophysical and electrochemical properties, as well as molecular geometries calculated from density functional theory (DFT), are used for dyes SM1-5. The extinction coefficients

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Misra, Rajneesh, and Indresh S. Yadav. "Design, Synthesis and Functionalization of BODIPY dyes: Applications in Dye-Sensitized Solar Cell (DSSC) and Photodynamic Therapy (PDT)." Journal of Materials Chemistry C, 2023. http://dx.doi.org/10.1039/d3tc00171g.

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In recent years, the BODIPY dyes have developed as a valuable category of luminogens for organic photovoltaic and electronic applications because of their spectacular properties like as good fluorescence quantum...

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Hossan, Aisha. "Synthesis of MD‐1‐2 co‐sensitizers for 10.35% efficient acid–base pairing with N3 in DSSCs." Applied Organometallic Chemistry, April 14, 2024. http://dx.doi.org/10.1002/aoc.7484.

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This work presents a comprehensive investigation of novel organic dyes MD‐1‐2 as active acid and base co‐sensitizers in dye‐sensitized solar cells (DSSCs), using well‐known Ru(II)‐based N3 dyes. These co‐sensitizers contain a triphenylamine ring as a donor scaffold linked with an electron‐withdrawing cyanopyridyl and cyano benzoic acid acceptor for MD‐1‐2. In this study, we demonstrated the significant impact of base dyes with pyridine anchoring units on the photovoltaic parameters of N3‐sensitized devices. This methodology takes advantage of the ability of carboxyl and pyridyl moieties to int

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Badawy, Safa A., Ehab Abdel-Latif, Ahmed A. Fadda, and Mohamed R. Elmorsy. "Synthesis of innovative triphenylamine-functionalized organic photosensitizers outperformed the benchmark dye N719 for high-efficiency dye-sensitized solar cells." Scientific Reports 12, no. 1 (2022). http://dx.doi.org/10.1038/s41598-022-17041-1.

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AbstractHerein, we present a thorough photovoltaic investigation of four triphenylamine organic sensitizers with D–π–A configurations and compare their photovoltaic performances to the conventional ruthenium-based sensitizer N719. SFA-5–8 are synthesized and utilized as sensitizers for dye-sensitized solar cell (DSSC) applications. The effects of the donor unit (triphenylamine), π-conjugation bridge (thiophene ring), and various acceptors (phenylacetonitrile and 2-cyanoacetamide derivatives) were investigated. Moreover, this was asserted by profound calculations of HOMO (highest occupied molec

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Abbas, Shahid, Riaz Hussain, Muhammad Durair Sajjad Haider, et al. "Theoretical designing of 9,9'-dicarbazole-based dye via end-group modification for indoor DSSC applications." Physica Scripta, May 31, 2024. http://dx.doi.org/10.1088/1402-4896/ad52cc.

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Abstract Molecular modeling has garnered significant attention in the realm of organic solar cells (OSCs) because it holds the promise of producing more efficient OSCs with notably enhanced power conversion efficiency (PCE). In this quest, we have undertaken a strategic modification of the acceptor moieties within the recently synthesized metal-free dicarbazole-based organic dye Cz-2, resulting in five novel theoretical dyes, designated as PT1-PT5. Numerous simulations encompassed both the newly designed compounds and the reference (Cz-2) by using DFT and TD-DFT, a comprehensive characterizati

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