Effects of silicon nanowires length on solar cells photovoltaic properties
摘要:
Silicon nanowires (SiNWs) were produced by an electroless method on FZ-Si (100) wafer, in HF/AgNO 3 solution. The influence of etching time and temperature on SiNWs morphology were studied using FESEM images. Optical properties were also investigated by optical absorption spectroscopy and low-temperature photoluminescence at 4.2K. Considering their role as active regions, photovoltaic properties of SiNWs solar cells were studied for their different lengths. Photovoltaic measurements were taken in 1 sun condition under AM 1.5 illumination supplied by a solar simulator. Measurements indicated a reduction in efficiency as SiNWs length increased, which might be attributed to increased dangling states on nanowires surfaces.
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关键词:
Diamond-like carbon Focused Ion Beam Interface Small scale mechanics Fracture toughness Bending strength
DOI:
10.1007/s00339-012-7054-8
被引量:
年份:
2012
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