Chang Chia-Hua, Hsu Min-Hsiang, Tseng Ping-Chen, Yu Peichen, Chang Wei-Lun, Sun Wen-Ching, Hsu Wei-Chih
Department of Photonics and Institute of Electro-Optical Engineering, National Chiao-Tung University, 1001 Ta-Hsueh Road, Hsinchu, 300 Taiwan.
Opt Express. 2011 May 9;19 Suppl 3:A219-24. doi: 10.1364/OE.19.00A219.
Omnidirectional and broadband light harvesting is critical to photovoltaics due to the sun's movement and its wide spectral range of radiation. In this work, we demonstrate distinctive indium-tin-oxide nanowhiskers that achieve superior angular and spectral characteristics for crystalline silicon solar cells using angle-resolved reflectance spectroscopy. The solar-spectrum weighted reflectance is well below 6% for incident angles of up to 70° and for the wavelength range between 400nm and 1000nm. As a result, the nanowhisker coated solar cell exhibits broadband quantum efficiency characteristics and enhanced short-circuit currents for large angles of incidence.
由于太阳的移动及其宽光谱辐射范围，全向和宽带光捕获对光伏技术至关重要。在这项工作中，我们展示了独特的铟锡氧化物纳米晶须，其使用角分辨反射光谱法实现了晶体硅太阳能电池优异的角度和光谱特性。对于高达70°的入射角以及400nm至1000nm的波长范围，太阳光谱加权反射率远低于6%。因此，涂覆有纳米晶须的太阳能电池表现出宽带量子效率特性，并在大入射角下增强了短路电流。
