期刊
NANOSCALE RESEARCH LETTERS
卷 9, 期 -, 页码 -出版社
SPRINGEROPEN
DOI: 10.1186/1556-276X-9-112
关键词
ZnO nanosheets; CdS; Nanoparticles; Solar cells
资金
- National Key Basic Research Program of China [2013CB922303, 2010CB833103]
- National Natural Science Foundation of China [60976073, 11274201]
- 111 Project [B13029]
- National Fund for Fostering Talents of Basic Science [J1103212]
Ordered ZnO nanosheet arrays were grown on weaved titanium wires by a low-temperature hydrothermal method. CdS nanoparticles were deposited onto the ZnO nanosheet arrays using the successive ionic layer adsorption and reaction method to make a photoanode. Nanoparticle-sensitized solar cells were assembled using these CdS/ZnO nanostructured photoanodes, and their photovoltaic performance was studied systematically. The best light-to-electricity conversion efficiency was obtained to be 2.17% under 100 mW/cm(2) illumination, and a remarkable short-circuit photocurrent density of approximately 20.1 mA/cm(2) was recorded, which could attribute to the relatively direct pathways for transportation of electrons provided by ZnO nanosheet arrays as well as the direct contact between ZnO and weaved titanium wires. These results indicate that CdS/ZnO nanostructures on weaved titanium wires would open a novel possibility for applications of low-cost solar cells.
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