Title :
EQE enhancement of top-cell of GaAs-based triple-junction solar cell using graded-index sio2 nano-pillars sub-wavelength AR-coating
Author :
Ho, Wen-Jeng ; Syu, Jhih-Kai ; Yu, Cheng-Ming ; Lee, Yi-Yu ; Liu, Jheng-Jie ; Shiu, Shu-Chia ; Lin, Ching-Fuh ; Shiau, Hung-Bin
Author_Institution :
Inst. of Electro-Opt. Eng., Nat. Taipei Univ. of Technol., Taipei, Taiwan
Abstract :
We report the increasing in average external quantum-efficiency (EQE) of 11% on the top-cell of GaAs-based triple-junction solar-cell due to current matching using a graded-index SiO2-nano-pillars sub-wavelength/SiO2/TiO2 AR-coating by CF4-RIE etching with Ag-nanoparticles mask.
Keywords :
antireflection coatings; etching; gallium arsenide; gradient index optics; masks; nanoparticles; silicon compounds; silver; solar cells; Ag nanoparticles mask; CF4-RIE etching; EQE enhancement; GaAs; GaAs-based triple-junction solar cell; SiO2; SiO2-TiO; current matching; external quantum efficiency; graded index SiO2 nanopillars subwavelength-SiO2-TiO2 AR coating; Coatings; Educational institutions; Etching; Nanoparticles; Photovoltaic cells; Photovoltaic systems;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
