期刊
SOLAR ENERGY
卷 125, 期 -, 页码 192-197出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.solener.2015.12.018
关键词
Electrodeposition; ZnO; Texture; Thin film; Solar cell
资金
- National University Research Fund [GK261001009]
- Changjiang Scholar and Innovative Research Team [IRT_14R33]
- Overseas Talent Recruitment Project [B14041]
- Chinese National 1000-talent-plan program [1110010341]
Superior texture-controlled ZnO thin film is prepared using a low cost electrochemical deposition process at open atmospheric condition. FE-SEM shows that the surface morphology can be altered from nanorods to microplates by adding a chemical additive. XRD analysis confirms that the crystalline growth direction and texture can be controlled by changing the additive concentration during the deposition. Using the optimized ZnO based back reflector (BR) in single junction a-SiGe:H solar cell device, we have achieved external quantum efficiency (EQE) as high as 87% at similar to 550 nm; the EQE corrected short circuit current density (J(SC)) was 20.63 mA cm(-2) and solar cell efficiency was 7.73% for the single junction a-SiGe:H solar cell. It proves to us that the high quality ZnO thin films can be produced at much reduced cost using electrochemical deposition for solar cell and other optoelectronic applications. (C) 2015 Elsevier Ltd. All rights reserved.
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