Paper Title:
Large-Area P-μc-Si:H Thin Films Prepared by VHF-PECVD and its Application in Micromorph Tandem Solar Module
  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.

  Info
Periodical
Advanced Materials Research (Volumes 347-353)
Chapter
Chapter 1: Development and Utilization of Solar Energy
Edited by
Weiguo Pan, Jianxing Ren and Yongguang Li
Pages
678-682
DOI
10.4028/www.scientific.net/AMR.347-353.678
Citation
H. Z. Ren, Y. Zhao, X. D. Zhang, H. Ge, Z. P. Wang, "Large-Area P-μc-Si:H Thin Films Prepared by VHF-PECVD and its Application in Micromorph Tandem Solar Module", Advanced Materials Research, Vols. 347-353, pp. 678-682, 2012
Online since
October 2011
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Price
$32.00
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