报道了对GaAs/Ge太阳电池器件工艺的研究结果.采用细栅厚电极正胶剥离技术制备细栅厚电极,栅线宽度小于15 μm,厚度在5 μm以上;采用NH4OH/H2O2选择性腐蚀液体系去除GaAs帽子层; 采用真空蒸发制备TiO2/SiO2双层减反射膜,电流密度增益可达25%以上;研制出平均效率达到19%(AM0,1 s,25 ℃)以上的GaAs/Ge太阳电池.
参考文献
[1] | Takahashi K.;Unno T.;Kuma S.;Yamada S. .Characteristics of GaAs solar cells on Ge substrate with a preliminary grown thin layer of AlGaAs[J].Solar Energy Materials and Solar Cells: An International Journal Devoted to Photovoltaic, Photothermal, and Photochemical Solar Energy Conversion,1998(1/4):169-176. |
[2] | Chang K I;Yeh Y CM;Iles P A.Heterostructure GaAs/Ge Solar Cells[A].IEEE,NY,1987:273. |
[3] | Wojtczuk S;Tobin S;Sanfacon M et al.Monolithic two-terminal GaAs/Ge Tandem space concentration cells[A].,1991,173 |
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