An optimum design of a-Si:H(n)/a-Si:H(i)/c-Si(p)heterojunction solar cell is realized with 24.27%conversion efficiency by gradient doping of the a-Si:H(n)layer.The photovoltaic properties are simulated by the AFORS-HE...An optimum design of a-Si:H(n)/a-Si:H(i)/c-Si(p)heterojunction solar cell is realized with 24.27%conversion efficiency by gradient doping of the a-Si:H(n)layer.The photovoltaic properties are simulated by the AFORS-HET software.Besides the additional electric field caused by the gradient doping,the enhanced and widen spectral response also improves the solar cell performance compared with the uniform-doping mode.The simulation shows that the gradient doping is efficient to improve the photovoltaic performance of the solar cells.The study is valuable for the solar cell design with excellent performances.展开更多
基金Supported by the Natural Science Foundation of Hebei Province under Grant Nos A2012203016,A2012203174Scientific Research Project of HPCE under Grant No Z2009114Technology Research and Development Program of QHD(No 201101A110).
文摘An optimum design of a-Si:H(n)/a-Si:H(i)/c-Si(p)heterojunction solar cell is realized with 24.27%conversion efficiency by gradient doping of the a-Si:H(n)layer.The photovoltaic properties are simulated by the AFORS-HET software.Besides the additional electric field caused by the gradient doping,the enhanced and widen spectral response also improves the solar cell performance compared with the uniform-doping mode.The simulation shows that the gradient doping is efficient to improve the photovoltaic performance of the solar cells.The study is valuable for the solar cell design with excellent performances.
