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Journal articles on the topic 'Photodegradation of pollutants'

Author: Grafiati

Published: 4 June 2021

Last updated: 3 February 2022

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1

Li, Xu Chun, Jun Ma, and Si Yang Yue. "Efficient Destruction of Chlorophenols by Ultraviolet Irradiation." Advanced Materials Research 476-478 (February 2012): 1955–59. http://dx.doi.org/10.4028/www.scientific.net/amr.476-478.1955.

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Chlorophenols (CPs), a group of recalcitrant and toxic pollutants, are widespread in the environment and threating human health. The environment-friendly technology, UV irradiation, could efficiently destruct CPs. The study investigated the influence of solution pH and positions and number of substituted chlorine atoms on photodegradation process of CPs, and also studied the photodegradation pathway. It found that the photodegradaton process of CPs was highly dependent on solution pH, and higher pH favored the degradation. The photodegradation processes agreed well with the pseudo-first order

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2

De Luca, Pierantonio, Pasquale De Luca, Sebastiano Candamano, Anastasia Macario, Fortunato Crea, and Jànos Nagy. "Preparation and Characterization of Plasters with Photodegradative Action." Buildings 8, no. 9 (2018): 122. http://dx.doi.org/10.3390/buildings8090122.

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The aim of this project is to investigate the behaviour of several special types plasters specifically designed to degrade the most common pollutants which are present in the atmosphere. In particular, specific additives have been added to these plasters, in order to obtain a broad spectrum of active and synergic response, each of which have peculiar functions: - microporous materials, such as clinoptilolite, a natural zeolite, that promotes the adsorption of air pollutants thanks to its porous nature; - nano-fillers, such as carbon nanotubes, that behave both as reinforcing agents as well as

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3

Riaz, Nadia, Mohammad Azmi Bustam, Chong Fai Kait, et al. "Adsorption of Azo Dye Orange II by Supported TiO₂: A Review." Applied Mechanics and Materials 625 (September 2014): 770–74. http://dx.doi.org/10.4028/www.scientific.net/amm.625.770.

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The supported TiO2 photocatalyst has been reported for the photodegradation of different organic pollutants. These supported TiO2 photocatalysts include metal and non metal doped TiO2 photocatalysts. The photodegradation can be explained in terms of adsorption. The adsorption of the dye is an significant and obvious parameter in the photodegradation process. The photodegradation is directly related to the adsorbed quantities of the pollutant onto the surface of adsorbant. Adsorption of Orange II, an azo dye has been reported using different adsorbents like fly ash, activated carbon and porous

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4

Brodzik, Krzysztof, Jerzy Walendziewski, and Marek Stolarski. "Photodegradation of organic compounds in water." Polish Journal of Chemical Technology 9, no. 3 (2007): 130–33. http://dx.doi.org/10.2478/v10026-007-0072-1.

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Photodegradation of organic compounds in water The application of photocatalytic processes for the decontamination treatment of polluted water has inspired very extensive studies. Titanium dioxide with its large band gap energy and appropriate redox potential was found as one of the most promising semiconductors for the photodegradation of pollutants in the water as well as in gas phase. The titania-silica aerogels obtained by a simple co-hydrolysis method was applied in the photodegradation of the model organic compound. Different ageing times and heat treatment temperatures were found to inf

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Mahu, Elvira, Maria Ignat, Corneliu Cojocaru, et al. "Development of Porous Titania Structure with Improved Photocatalytic Activity: Response Surface Modeling and Multi-Objective Optimization." Nanomaterials 10, no. 5 (2020): 998. http://dx.doi.org/10.3390/nano10050998.

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Porous titania was successfully synthesized by an ultrasound-assisted sol-gel route. The synthesis process was empirically modeled and optimized using the response surface methodology (RSM). Input variables adopted for optimization dealt with the weight ratio of precursors (r) and the sonication time (t), representing the used factors in the synthesis procedure. With regard to application, the synthesized TiO2 samples were tested for the photodegradation of two water-soluble organic pollutants under UV–Vis irradiation. Optimal conditions for the efficient pollutants’ photodegradation were foun

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6

Vione, Davide. "Insights into the Time Evolution of Slowly Photodegrading Contaminants." Molecules 26, no. 17 (2021): 5223. http://dx.doi.org/10.3390/molecules26175223.

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Photochemical degradation plays an important role in the attenuation of many recalcitrant pollutants in surface freshwaters. Photoinduced transformation kinetics are strongly affected by environmental conditions, where sunlight irradiance plays the main role, followed by water depth and dissolved organic carbon (DOC). Apart from poorly predictable weather-related issues, fair-weather irradiance has a seasonal trend that results in the fastest photodegradation in June and the slowest in December (at least in temperate areas of the northern hemisphere). Pollutants that have first-order photochem

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7

PARVATHI, L. T., and S. KARUTHAPANDIAN. "1D MoO3 Nanorods Decorated by Palladium Nanoparticles: Surface Plasmon Resonance Promoted Photodegradation of Congo Red Dye." Asian Journal of Chemistry 32, no. 9 (2020): 2315–23. http://dx.doi.org/10.14233/ajchem.2020.22791.

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In this work, 1D, MoO3 palm leaf shaped nanorods decorated by palladium nanoparticle for the photodegradation of organic pollutant. The Pd loaded MoO3 ratio were optimized and 2% Pd loaded MoO3 shows excellent photodegradation towards the organic pollutants. The synthesized Pd decorated MoO3 nanorods were characterized by various analytical tools such as TEM, SEM, BET, EDX, XRD, UV-DRS etc., The TEM and SEM results revealed that the palm leaf shaped MoO3 nanorods was well decorated by Pd metals. The crystallite size of MoO3 was decreased when increases the palladium loading percentage. The sur

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8

Muneer, Iqra, Muhammad Akhyar Farrukh, Shaghraf Shaghraf, Muhammad Khaleeq-Ur-Rahman, Akrajas Ali Umar, and Rohana Adnan. "Solvent Controlled Synthesis of Tin Oxide Nanocatalysts and their Applications in Photodegradation of Environmental Hazardous Materials." Materials Science Forum 756 (May 2013): 197–204. http://dx.doi.org/10.4028/www.scientific.net/msf.756.197.

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Solvent controlled synthesis of tin oxide nanocatalysts were prepared via the hydrothermal method. To study the effect of solvent on the particle size of tin oxide and their catalytic efficiency on photodegradation of environmental hazardous materials, the synthesis was carried out at different concentrations of solvent (isoamyl alcohol) keeping all other reaction conditions constant. The nanoparticles were characterized by FourierTransmission Infrared Spectroscopy, Scanning Electron Microscopy, Transmission Electron Microscopy, X-ray Diffraction and Thermogravimetric analysis. Prepared nanopa

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9

Deng, Wei, Fuping Pan, Bill Batchelor, et al. "Mesoporous TiO2–BiOBr microspheres with tailorable adsorption capacities for photodegradation of organic water pollutants: probing adsorption–photocatalysis synergy by combining experiments and kinetic modeling." Environmental Science: Water Research & Technology 5, no. 4 (2019): 769–81. http://dx.doi.org/10.1039/c8ew00922h.

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10

Ramay, Shahid M., Asif Mahmood, Shahid Atiq, Saadat Anwar Siddiqi, and Shahzad Naseem. "Photodegradation of Organic Pollutants using Fe-doped ZnO." Materials Today: Proceedings 2, no. 10 (2015): 5485–90. http://dx.doi.org/10.1016/j.matpr.2015.11.074.

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11

Parul, Kamalpreet Kaur, Rahul Badru, Prit Pal Singh, and Sandeep Kaushal. "Photodegradation of organic pollutants using heterojunctions: A review." Journal of Environmental Chemical Engineering 8, no. 2 (2020): 103666. http://dx.doi.org/10.1016/j.jece.2020.103666.

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12

Martinez-Haya, R., M. A. Miranda, and M. L. Marin. "Type I vs Type II photodegradation of pollutants." Catalysis Today 313 (September 2018): 161–66. http://dx.doi.org/10.1016/j.cattod.2017.10.034.

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13

Miao, Miao, Gangling Wang, Shaomei Cao, Xin Feng, Jianhui Fang, and Liyi Shi. "TEMPO-mediated oxidized winter melon-based carbonaceous aerogel as an ultralight 3D support for enhanced photodegradation of organic pollutants." Physical Chemistry Chemical Physics 17, no. 38 (2015): 24901–7. http://dx.doi.org/10.1039/c5cp04679c.

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14

Rahman, MM, S. Ahmed, Z. Yeasmin, and SM Masum. "Efficacy of biomaterial based photocatalytic composite in treating dye pollutants." Bangladesh Journal of Scientific and Industrial Research 53, no. 2 (2018): 139–44. http://dx.doi.org/10.3329/bjsir.v53i2.36675.

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A biomaterial based photocatalytic composite, hydroxyapatite–TiO2–ZnO (HAp-TiO2–ZnO) has been developed following a solid-state combustion method while its efficacy was investigated through the photodegradation of (i) aquatic solution of synthetic dye, methylene blue (MB); and (ii) real textile dye effluent. The degradation profile was explored considering several factors, e.g.: (i) initial dye concentration; (ii) illumination span; (iii) dose of photocatalyst; and (iv) pH of targeted dye solution. The photodegradation was performed in both indoor and outdoor environment using halogen lamp (50

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15

Khan, Idrees, Adnan Ali Khan, Ibrahim Khan, et al. "Investigation of the photocatalytic potential enhancement of silica monolith decorated tin oxide nanoparticles through experimental and theoretical studies." New Journal of Chemistry 44, no. 31 (2020): 13330–43. http://dx.doi.org/10.1039/d0nj00996b.

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16

Rimoldi, Luca, Daniela Meroni, Ermelinda Falletta, et al. "Emerging pollutant mixture mineralization by TiO2 photocatalysts. The role of the water medium." Photochemical & Photobiological Sciences 16, no. 1 (2017): 60–66. http://dx.doi.org/10.1039/c6pp00214e.

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17

Ahmad, Nafees, Saima Sultana, Syed Mohd Faisal, Anees Ahmed, Suhail Sabir, and Mohammad Zain Khan. "Zinc oxide-decorated polypyrrole/chitosan bionanocomposites with enhanced photocatalytic, antibacterial and anticancer performance." RSC Advances 9, no. 70 (2019): 41135–50. http://dx.doi.org/10.1039/c9ra06493a.

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18

Feng, Hui, Siqi Feng, Niu Tang, Songbai Zhang, Xiangyang Zhang, and Bo Liu. "Fabrication of TiO2/Fe2O3/CdS systems: effects of Fe2O3and CdS content on superior photocatalytic activity." RSC Advances 11, no. 17 (2021): 10300–10308. http://dx.doi.org/10.1039/d1ra00195g.

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19

Tsui, S. M., and W. Chu. "Photocatalytic degradation of dye pollutants in the presence of acetone." Water Science and Technology 44, no. 6 (2001): 173–80. http://dx.doi.org/10.2166/wst.2001.0368.

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The photodegradation of textile azo dyes in aqueous solution containing acetone (ACE) photosensitizer was investigated at 253.7 nm. In this study, a typical azo reactive dye (C I Reactive Red 2 - RR2) is used as the probe compound. ACE is a powerful photosensitizer that possesses high triplet energy, and the presence of ACE significantly enhances the overall photodegradation reaction through simultaneous sensitization. In the UV/ACE system, at the optimum conditions, over 97% of RR2 can be successfully decomposed and decolored within 300 seconds of retention time. The photodegradation mechanis

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20

Shi, Mingjin, Wei Wei, Zhifeng Jiang, Hekun Han, Jinrong Gao, and Jimin Xie. "Biomass-derived multifunctional TiO2/carbonaceous aerogel composite as a highly efficient photocatalyst." RSC Advances 6, no. 30 (2016): 25255–66. http://dx.doi.org/10.1039/c5ra28116d.

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21

Riaz, Nadia, Bustam-Khalil Mohamad Azmi, and Azmi Mohd Shariff. "Iron Doped TiO₂ Photocatalysts for Environmental Applications: Fundamentals and Progress." Advanced Materials Research 925 (April 2014): 689–93. http://dx.doi.org/10.4028/www.scientific.net/amr.925.689.

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One of the most pervasive problems affecting people throughout the world is inadequate access to clean water and sanitation. Problems with water are expected to grow worse in the coming decades, with water scarcity occurring globally. Many recent studies have been reported on the photodegradation of the organic compounds in industrial wastewater in the presence of TiO2 semiconductor as photocatalyst. Heterogeneous photocatalysts using iron as a dopant metal, so far, have been reported for various environmental applications. This paper highlights the recent advances and applications of Fe-TiO2

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22

Abdollahi, Yadollah, Samad Sabbaghi, Ebrahim Abouzari-lotf, Hossein Jahangirian, and Nor Asrina Sairi. "A new achievement in green degradation of aqueous organic pollutants under visible-light irradiation." Water Science and Technology 77, no. 6 (2018): 1493–504. http://dx.doi.org/10.2166/wst.2018.017.

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Abstract The global attention has been focused on degradation of the environmental organic pollutants through green methods such as advanced oxidation processes (AOPs) under sunlight. However, AOPs have not yet been efficient in function of the photocatalyst that has been used. In this work, firstly, CaCu3Ti4O12 nanocomposite was simultaneously synthesized and decorated in different amounts of graphene oxide to enhance photodegradation of the organics. The result of the photocatalyst characterization showed that the sample with 8% graphene presented optimum photo-electrical properties such as

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23

Souza, Diego H. P., Robson R. Guimarães, Thiago C. Correra, and Vitor M. Zamarion. "Investigation of the photocatalytic activity of titanium dioxide films under visible light measured by electrospray mass spectrometry." New Journal of Chemistry 42, no. 22 (2018): 18259–68. http://dx.doi.org/10.1039/c8nj04047h.

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24

Safarzadeh-Amiri, Ali, James R. Bolton, and Stephen R. Cater. "Ferrioxalate-mediated photodegradation of organic pollutants in contaminated water." Water Research 31, no. 4 (1997): 787–98. http://dx.doi.org/10.1016/s0043-1354(96)00373-9.

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25

Volkova, Anna V., Silke Nemeth, Ekaterina V. Skorb, and Daria V. Andreeva. "Highly Efficient Photodegradation of Organic Pollutants Assisted by Sonoluminescence." Photochemistry and Photobiology 91, no. 1 (2014): 59–67. http://dx.doi.org/10.1111/php.12352.

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26

Shinde, S. S., C. H. Bhosale, and K. Y. Rajpure. "Photodegradation of organic pollutants using N-titanium oxide catalyst." Journal of Photochemistry and Photobiology B: Biology 141 (December 2014): 186–91. http://dx.doi.org/10.1016/j.jphotobiol.2014.09.017.

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27

Chen, Chuncheng, Wanhong Ma, and Jincai Zhao. "Semiconductor-mediated photodegradation of pollutants under visible-light irradiation." Chemical Society Reviews 39, no. 11 (2010): 4206. http://dx.doi.org/10.1039/b921692h.

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28

Márquez Brazón, E., C. Piccirillo, I. S. Moreira, and P. M. L. Castro. "Photodegradation of pharmaceutical persistent pollutants using hydroxyapatite-based materials." Journal of Environmental Management 182 (November 2016): 486–95. http://dx.doi.org/10.1016/j.jenvman.2016.08.005.

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29

Wee, L. H., M. Meledina, S. Turner, et al. "Anatase TiO2 nanoparticle coating on porous COK-12 platelets as highly active and reusable photocatalysts." RSC Advances 6, no. 52 (2016): 46678–85. http://dx.doi.org/10.1039/c6ra06141a.

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30

Son, Bui Thanh, Nguyen Viet Long, and Nguyen Thi Nhat Hang. "The development of biomass-derived carbon-based photocatalysts for the visible-light-driven photodegradation of pollutants: a comprehensive review." RSC Advances 11, no. 49 (2021): 30574–96. http://dx.doi.org/10.1039/d1ra05079f.

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31

Bagheri, Samira, and Nurhidayatullaili Muhd Julkapli. "Mixed-phase TiO2 photocatalysis: correlation between phase composition and photodecomposition of water pollutants." Reviews in Inorganic Chemistry 37, no. 1 (2017): 11–28. http://dx.doi.org/10.1515/revic-2016-0001.

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AbstractIn most cases, the combination of both anatase (up to 80%) and rutile (up to 20%) structures in a mixed-phase TiO2 semiconductor results in a better photocatalytic performance compared to the pure phase. The improvement from anatase to rutile is brought about by the enhanced transportation of photogenerated electrons. This consequently results in improved efficiency of the photoelectric and photocurrent conversion. This review highlights the effects of the morphology, particle size, and crystal structure of mixed-phase TiO2 toward the photodegradation of water pollutants. It was demons

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32

Wang, Huanli, Yafei Wang, Ailing Xu, et al. "Facile synthesis of a novel WO3/Ag2MoO4 particles-on-plate staggered type II heterojunction with improved visible-light photocatalytic activity in removing environmental pollutants." RSC Advances 9, no. 60 (2019): 34804–13. http://dx.doi.org/10.1039/c9ra07175j.

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33

Chkirida, Soulaima, Nadia Zari, Redouane Achour, Abou el kacem Qaiss, and Rachid Bouhfid. "Effect of iron doped titanium oxide encapsulated in alginate on photocatalytic activity for the removal of dye pollutants." RSC Advances 10, no. 38 (2020): 22311–17. http://dx.doi.org/10.1039/d0ra02898c.

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Iron oxide/titania oxide are encapsulated in alginate biopolymer. These bio-nanocomposites are suitable for the photodegradation of dissimilar organic pollutants under UV irradiation as well as visible light.

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34

Huang, Wenyu, Ying Huang, Shuangfei Wang, Hongfei Lin, and Gilles Mailhot. "Degradation of 2,4-Dichlorophenol by Ethylenediamine-N,N′-disuccinic Acid-Modified Photo-Fenton System: Effects of Chemical Compounds Present in Natural Waters." Processes 9, no. 1 (2020): 29. http://dx.doi.org/10.3390/pr9010029.

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This paper describes a study of the treatment of 2,4-dichlorophenol (2,4-DCP) with an ethylenediamine-N,N′-disuccinic-acid (EDDS)-modified photo-Fenton system in ultrapure water and different natural waters. The results showed that the EDDS-modified photo-Fenton system is adequate for 2,4-DCP degradation. Compared with a medium containing a single organic pollutant, the removal of pollutants in a more complex medium consisting of two organic compounds is slower by around 25 to 50% as a function of the organic pollutant. Moreover, 2,4-DCP can be further effectively degraded in the presence of o

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35

Mijin, Dusan, Mirko Jugurdzija, and Petar Jovancic. "Photocatalytic degradation of synthetic dye under sunlight." Chemical Industry 61, no. 1 (2007): 7–12. http://dx.doi.org/10.2298/hemind0701007m.

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Synthetic dyes are widely used in the textile industry. Dye pollutants from the textile industry are an important source of environmental contamination. The majority of these dyes are toxic, mostly non-biodegradable and also resistant to decomposition by physico-chemical methods. Among new oxidation methods or "advanced oxidation processes", heterogeneous photocatalysis appears as an emerging destructive technology leading to the total mineralization of many organic pollutants. CI Basic Yellow 28 (BY28), commonly used as a textile dye, could be photocatalytically degraded using TiU2 as catalys

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36

Cravanzola, Sara, Federico Cesano, Giuliana Magnacca, Adriano Zecchina, and Domenica Scarano. "Designing rGO/MoS2 hybrid nanostructures for photocatalytic applications." RSC Advances 6, no. 64 (2016): 59001–8. http://dx.doi.org/10.1039/c6ra08633k.

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Graphene and MoS<sub>2</sub>, with their structural and morphological compatibility, can be well integrated to make new hybrid materials with enhanced catalytic properties, including the photodegradation of organic pollutants.

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37

Son, Bui Thanh, Nguyen Viet Long, and Nguyen Thi Nhat Hang. "Fly ash-, foundry sand-, clay-, and pumice-based metal oxide nanocomposites as green photocatalysts." RSC Advances 11, no. 49 (2021): 30805–26. http://dx.doi.org/10.1039/d1ra05647f.

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This review highlights recent advances in the utilization of natural materials (clay mineral and pumice)- and waste materials (ash and foundry sand)-based metal oxide nanocomposites for photodegradation of various pollutants.

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38

Guan, Xiao-Hui, Liu Yang, Xin Guan, and Guang-Sheng Wang. "Synthesis of a flower-like CuS/ZnS nanocomposite decorated on reduced graphene oxide and its photocatalytic performance." RSC Advances 5, no. 46 (2015): 36185–91. http://dx.doi.org/10.1039/c5ra04030b.

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CZS/rGO composites with enhanced photocatalytic activity have been synthesized. The results demonstrate that the CZS/rGO composites have enormous potential for photodegradation of organic pollutants. The enhanced mechanism was also explained.

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39

Asih, Aprilia Kurnia, Rina Desni Yetti, and Boy Chandra. "Photodegradation of Antibiotic Using TiO2 as a Catalyst: A Review." International Journal of Pharmaceutical Sciences and Medicine 6, no. 2 (2021): 37–43. http://dx.doi.org/10.47760/ijpsm.2021.v06i02.004.

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The use of antibiotics in the community harms the environment. Due to the use of antibiotics is a risk of antibiotic resistance. Photodegradation was a method that could be used to reduce this impact. Photodegradation is a decomposition process using photon energy assistance. The photodegradation process requires a photocatalyst, which is a semiconductor material when subjected to an energy photon. This jump of electrons causes electron holes that can interact with water solvents to form radicals. TiO2 is the most common photocatalyst that is used for the destruction of pollutants in aqueous s

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40

Yang, Xiaodong, Shupeng Zhang, Lei Zhang, Bo Zhang, and Tianrui Ren. "Dynamic growth of rhombic dodecahedral Cu2O crystals controlled by reaction temperature and their size-dependent photocatalytic performance." RSC Advances 9, no. 63 (2019): 36831–37. http://dx.doi.org/10.1039/c9ra07255a.

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Compared with low-index {100} or {111} planes of Cu<sub>2</sub>O crystals, rhombic dodecahedra (RD) Cu<sub>2</sub>O crystals exposing 12 {110} facets exhibit the most superior photodegradation of organic pollutants.

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41

Tian, Ang, Quan Xu, Xiaoguo Shi, et al. "Pyrite nanotube array films as an efficient photocatalyst for degradation of methylene blue and phenol." RSC Advances 5, no. 77 (2015): 62724–31. http://dx.doi.org/10.1039/c5ra07434g.

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The nanotube topography would improve the optical property of the pyrite crystals. The photodegradation of MB and phenol suggested that the pyrite nanotubes array films would be potential to be used in the treatment of pollutants.

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42

Juretic, Daria, Hrvoje Kusic, Ana Papic, et al. "Modeling of photodegradation kinetics of aromatic pollutants in water matrix." Journal of Photochemistry and Photobiology A: Chemistry 271 (November 2013): 65–76. http://dx.doi.org/10.1016/j.jphotochem.2013.08.005.

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43

Chen, Chuncheng, Qi Wang, Pengxiang Lei, Wenjing Song, Wanhong Ma, and Jincai Zhao. "Photodegradation of Dye Pollutants Catalyzed by Porous K3PW12O40under Visible Irradiation." Environmental Science & Technology 40, no. 12 (2006): 3965–70. http://dx.doi.org/10.1021/es060146j.

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44

Kirankumar, V. S., and S. Sumathi. "A review on photodegradation of organic pollutants using spinel oxide." Materials Today Chemistry 18 (December 2020): 100355. http://dx.doi.org/10.1016/j.mtchem.2020.100355.

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45

Shi, Wenwu, and Nitin Chopra. "Nanoscale heterostructures for photoelectrochemical water splitting and photodegradation of pollutants." Nanomaterials and Energy 2, no. 3 (2013): 158–78. http://dx.doi.org/10.1680/nme.13.00009.

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46

Bianchi, Claudia L., Giuseppe Cappelletti, Silvia Ardizzone, et al. "N-doped TiO2 from TiCl3 for photodegradation of air pollutants." Catalysis Today 144, no. 1-2 (2009): 31–36. http://dx.doi.org/10.1016/j.cattod.2008.12.019.

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47

Calderaro, Federico, and Davide Vione. "Possible Effect of Climate Change on Surface-Water Photochemistry: A Model Assessment of the Impact of Browning on the Photodegradation of Pollutants in Lakes during Summer Stratification. Epilimnion vs. Whole-Lake Phototransformation." Molecules 25, no. 12 (2020): 2795. http://dx.doi.org/10.3390/molecules25122795.

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Water browning in lakes (progressive increase of the content of chromophoric dissolved organic matter, CDOM) has the potential to deeply alter the photodegradation kinetics of pollutants during summer stratification. Browning, which takes place as a consequence of climate change in several Nordic environments, causes the thermocline to be shallower, because higher CDOM decreases the penetration of sunlight inside the water column. Using a model approach, it is shown in this paper that pollutants occurring in the epilimnion would be affected differently depending on their main photodegradation

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48

Zhang, Qingmei, Aoli Wen, Guoliang Chen, et al. "Photodegradation of Cationic and Anioic Dyes by pH-Dependent Dispersion of Amphoteric g-C3N4 Nanosheets." Journal of Nanoscience and Nanotechnology 20, no. 10 (2020): 6215–21. http://dx.doi.org/10.1166/jnn.2020.18586.

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g-C3N4 nanosheets (NSs) were prepared via H2SO4 exfoliation from the bulky g-C3N4 and the photocatalytic (PC) activities were investigated comprehensively using Rodamine B (RhB) and Chromotrope 2R (Ch2R) as candidate pollutants. The results showed that the pH value have important functions in the improvement of photodegradation performance of C3N4 NSs. RhB as cationic dye could be photodegraded more efficiently under acidic conditions while Ch2R as anionic dye was degraded easily in pH ≥ 11 solution. In particular, the Ch2R could be degraded completely within only 30 min in pH = 11 solution. I

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49

Ghazal, Basma, and Saad Makhseed. "Impact of phthalocyanine structure as photosensitizer for ZnO nanophotocatalyst under natural solar irradiation." Journal of Porphyrins and Phthalocyanines 25, no. 03 (2021): 202–9. http://dx.doi.org/10.1142/s1088424621500140.

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Novel composites of zinc oxide (ZnO) and copper phthalocyanines (CuTriPc and CuPc) were synthesized as efficient natural solar light photocatalysts for the photodegradation of organic wastewater pollutants. Spectroscopic and analytical measurements confirmed that both bulky triazolo copper phthalocyanine (CuTriPc) and unsubstituted planer (CuPc) were successfully coupled with ZnO nanoparticles. The synthesized nanocomposites were investigated as natural solar radiation photocatalysts toward the photodegradation of methylene blue (MB) analogue dye. The prepared CuTriPc/ZnO nanocomposite was pro

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Radosavljevic, K., A. V. Golubovic, M. M. Radisic, A. R. Mladenovic, D. Z. Mijin, and S. D. Petrovic. "Amoxicillin photodegradation by nanocrystalline TiO2." Chemical Industry and Chemical Engineering Quarterly 23, no. 2 (2017): 187–95. http://dx.doi.org/10.2298/ciceq160122030r.

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Abstract:

Nanocrystalline TiO2, synthesized by sol-gel route and characterized by XRPD, BET and SEM measurements, was applied in the photocatalytic degradation of amoxicillin, using an Osram Ultra-Vitalux? lamp as the light source. Amoxicillin is a semi-synthetic penicillin type antibiotic active against a wide range of grampositive and a limited range of gram-negative organisms. The continuous release of antibiotics and their persistence in the environment may result in serious irreversible effects on aquatic and terrestrial organisms. Heterogeneous catalysis, which uses catalysts like TiO2, is a promi

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