Paper Title:
P-Type Transparent Conductivity of Cu1-xAlS2 (x = 0 ~ 0.08)
  Abstract

A series of Cu1-xAlS2 (x = 0 ~ 0.08) bulk samples were synthesized by spark plasma sintering. The electrical and optical properties were investigated. P-type conductions for all samples were confirmed by both positive Seebeck coefficient and Hall coefficient. Bulk undoped CuAlS2 had a high conductivity of about 0.9 S/cm with a large band gap of 3.4 eV at room temperature. For vacancy-doped in Cu site, the carrier concentration was highly enhanced, reaching 1.7 × 1019 cm-3 for 8 mol% doped sample, and without decreasing the bang gap. The introduction of vacancies destroys the continuity of Cu-S network, which decreases the Hall mobility.

  Info
Periodical
Key Engineering Materials (Volumes 368-372)
Edited by
Wei Pan and Jianghong Gong
Pages
666-668
DOI
10.4028/www.scientific.net/KEM.368-372.666
Citation
M. L. Liu, F. Q. Huang, L. D. Chen, "P-Type Transparent Conductivity of Cu1-xAlS2 (x = 0 ~ 0.08)", Key Engineering Materials, Vols. 368-372, pp. 666-668, 2008
Online since
February 2008
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$32.00
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