Visible-Light Photocatalytic Degradation of Water-Soluble Polyvinyl Alcohol in Aqueous Solution by Cu2o@Tio2: Optimization of Conditions, Mechanisms and Toxicity Analysis

Zhang, Jiaming; Zhou, Zhenqi; Xiao, Bing; Zhou, Chenxu; Jiang, Zhongqin; Liang, Yinna; Sun, Zhuo; Xiong, Jianhua; Chen, Guoning; Zhu, Hongxiang; Wang, Shuangfei

doi:10.2139/ssrn.4375956

Cited by 1 publication

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“…Rapid electron-hole pair recombination is the major issue with isolated TiO 2 and ZnO, which has a negative influence on the substance's photocatalytic activity. TiO 2 and transition metal oxide can be joined to produce composites with significantly higher photocatalytic activity, such as ZnO/TiO 2 [4][5] and Cu 2 O/TiO 2 [6]. This is what was studied in this research.…”

Section: ■ Introductionmentioning

confidence: 86%

Synthesis of TiO<sub>2</sub>/ZnO Nanocomposites by the Electrochemical Method and Their Application in Dye-Sensitized Solar Cells (DSSCs)

Alduhaidahawi,

Ahmed

2024

Indones. J. Chem.

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Various standard methods have previously been used for the synthesis of nanoparticles that produce unhealthy waste. They are also considered unsafe and expensive methods. An alternative technology is needed to synthesize nanoparticles that consume less energy and are more environmentally friendly. In this research, a TiO2/ZnO nanocomposite has been synthesized, which was produced with efficient energy and no environmental pollution using an easy and fast method (electrochemical). Additionally, dye-sensitized solar cells (DSSCs) have been fabricated from TiO2/ZnO nanocomposite which was synthesized by a new green method and pigments (methylene blue as a chemical dye and chlorophyll as a natural dye). These DSSCs were characterized by their high ability to absorb ultraviolet energy, where the efficiency of energy conversion η of ITO-TiO2/ZnO were approximately 2.08, and 3.04% with chlorophyll and methylene blue, respectively, showing that η of ITO-TiO2/ZnO with methylene blue was the best.

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Section: ■ Introductionmentioning

confidence: 86%