Preparation techniques of selective emitter for solar cell application
首发时间:2011-01-27
Abstract:In this paper,the structure and preparation techniques selective emitter solar cells have been described detail. Selective emitter is a novel structure for solar cells, which features with a relatively heavily-doped concentration in the front contact region and appropriate concentration in other areas of the solar cells' surface in the formation of P-N junction, and can easily achieve a good Ohmic contact and reduced surface carriers recombination velocities. Three different preparation techniques and their application prospects are summarized and discussed in this paper, namely, diffusion with screen-printable phosphorous, diffusion through screen-printed barriers as well as traditional lithographic masking technology. It is pointed out that diffusion with screen-printed phosphorous paste is the simplest and most promising technology for fabrication of selective emitter solar cells in mass production line.
keywords: Selective emitter;phosphorous paste;diffusion barrier; screen-printer
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选择性发射极太阳电池制备技术及应用
摘要:本文描述了选择性发射极太阳电池的结构及制备技术。选择性发射极太阳电池是一种新型结构的太阳电池,在前表面电极覆盖的区域有较高的掺杂浓度,在其他区域具有较为合适的掺杂浓度。较高的杂质浓度可以形成较好的欧姆接触,合理的表面浓度可以较好的降低太阳电池的表面复合速度。文中讨论和总结了三种不同的制备技术及其应用,即:丝网印刷磷浆扩散法,丝网印刷阻挡层扩散法和光刻掩膜法。总结认为丝网印刷磷浆扩散法是在工业化批量生产中最简单和最有前途的方法。
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No.4408100545284129****
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