Synthesis of nitrogen-doped carbon thin films and their applications in solar cells

  • Tongxiang Cui
  • , Ruitao Lv
  • , Zheng Hong Huang
  • , Hongwei Zhu
  • , Jiang Zhang
  • , Zhen Li
  • , Yi Jia
  • , Feiyu Kang
  • , Kunlin Wang
  • , Dehai Wu

Research output: Contribution to journalArticlepeer-review

60 Scopus citations

Abstract

N-doped carbon thin films (N-CFMs) on copper foils are synthesized by using acetonitrile (CH3CN) as liquid carbon and nitrogen precursors in a chemical vapor deposition system. Effect of acetonitrile feeding amount on the optical transmittance and electrical conductivity of N-CFMs are investigated. It is found that both the transmittance (from ∼ 41% to ∼ 75%) and sheet resistance (from μ 700 ω /sq to μ 2000 X/sq) increases with the decrease of acetonitrile feeding amount (from 200 lL to 10 lL). Schottky junction solar cells based on n-type silicon and as-synthesized N-CFMs demonstrate power conversion efficiencies of up to ∼ 1.55%, showing their potential applications in photovoltaic areas.

Original languageEnglish
Pages (from-to)5022-5028
Number of pages7
JournalCarbon
Volume49
Issue number15
DOIs
StatePublished - Dec 2011
Externally publishedYes

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