期刊
OPTICS EXPRESS
卷 20, 期 23, 页码 A916-A923出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.20.00A916
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资金
- National Research Foundation of Korea (NRF)
- Korea government (MEST) [2011-0017606]
- World Class University (WCU) program at GIST through a grant provided by MEST of Korea [R31-20008-000-10026-0]
- Research Institute for Solar and Sustainable Energies (RISE), GIST
- Ministry of Education, Science & Technology (MoST), Republic of Korea [gist-15] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [2011-0017606] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
We present the effect of broadband antireflective coverglasses (BARCs) with moth eye structures on the power generation capability of a sub-receiver module for concentrated photovoltaics. The period and height of the moth eye structures were designed by a rigorous coupled-wave analysis method in order to cover the full solar spectral ranges without transmission band shrinkage. The BARCs with moth eye structures were prepared by the dry etching of silver (Ag) nanomasks, and the fabricated moth eye structures on coverglass showed strongly enhanced transmittance compared to the bare glass with a flat surface, at wavelengths of 300 - 1800 nm. The BARCs were mounted on InGaP/GaAs/Ge triple-junction solar cells and the power conversion efficiency of this sub-receiver module reached 42.16% for 196 suns, which is a 7.41% boosted value compared to that of a module with bare coverglass, without any detrimental changes of the open circuit voltages (V-oc) and fill factor (FF). (C) 2012 Optical Society of America
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