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Langmuir. 2015 Sep 22;31(37):10279-84. doi: 10.1021/acs.langmuir.5b02248. Epub 2015 Sep 9.

Mesoporous TiO₂-Based Photoanode Sensitized by BiOI and Investigation of Its Photovoltaic Behavior.

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Liaoning Key Laboratory for Green Synthesis and Preparative Chemistry of Advanced Materials, College of Chemistry, Liaoning University , Shenyang 110036, China.
Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University , 744 Motooka, Nishiku, Fukuoka 819-0395, Japan.


We reported a novel BiOI/mesoporous TiO2 photoanode for solar cells, which was fabricated with BiOI attached onto a three-dimensional mesoporous TiO2 film by a chemical bath deposition (CBD) method. BiOI was revealed as an efficient and environmental friendly semiconductor sensitizer to make TiO2 respond to visible light. Based on this photoanode, mesoporous TiO2-based solar cell sensitized by BiOI exhibited promising photovoltaic performance. Meanwhile, the optimization of photovoltaic performance was also achieved by varying cycles of deposition immersions. The highest open circuit voltage and short circuit current of the solar cell can reach 0.5 V and 1.5 mA/cm(2), respectively.

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