Papers by Author: Hong Ge

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Authors: Hui Zhi Ren, Ying Zhao, Xiao Dan Zhang, Hong Ge, Zong Pan Wang
Abstract: Superscript textHigh conductivity,high crystalline volume fraction p-type microcrystaline silicon(p-μc-Si:H) thin films prepared by high-pressure VHF-PECVD are reported in this paper.The effects of the boron concentration, the silane concentration and the plasma power on the microstructures and electrical characteristics of P-μc-Si:H thin films are investigated. The results show that the microstructures and electrical characteristics of thin films relied on the deposition parameters. By optimizing the deposition parameters, very thin(31 nm) P-μc-Si:H thin films have been obtained at the doping ratio of 0.4% , SC at 1.2% and power at 1800W. The Xc of P-μc-Si:H thin films was 67% with 4.3% uniformity ,the dark conductivity was 0.68S/cm with 5.1% uniformity. By employing this P-μc-Si:H thin films, an initial conversion efficiency of 8.12% was obtained for a 0.79 m2 a-Si:H/μc-Si:H tandem module by Al as back reflector.
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