Fabrication of multilayer 1D TiO2/CdS/ZnS with high photoelectrochemical performance and enhanced stability
Fabrication of multilayer 1D TiO2/CdS/ZnS with high photoelectrochemical performance and enhanced stability
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具有高光电化学性能和增强稳定性的多层一维 TiO2/CdS/ZnS 的制备
DOI:
10.1016/j.jallcom.2021.161329
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发表时间:
2021-12
影响因子:
6.2
通讯作者:
Yinyin Qian
中科院分区:
文献类型:
--
作者:
Weiqi Dang;Kaijia Xu;Liqiang Zhang;Yinyin Qian
Nano TiO2is a basic photoanode material in the application of new type solar cell for its appropriate bandgap and photoemission. However, traditionally TiO2-based photoanode films are limited in weak photoresponse and effortless recombination. Herein, we increase light absorption range through combined the uniform CdS quantum dots (QDs) by successive ionic layer adsorption reaction (SILAR) method and decrease the recombination of photo-generated electrons/holes through ZnS passivation layer overlaying on TiO2/CdS. Photocurrent response (i-t), photocurrent density-voltage (J-V) curves of TiO2/CdS/ZnS demonstrated the photovoltaic conversion efficiency (η) has been reaching 3.43%, which has 230% and 33% improvement than pure TiO2and TiO2/CdS.
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