4.6 Article

Trap states in chemically derived graphene oxide revealed by anomalous temperature-dependent photoluminescence

期刊

RSC ADVANCES
卷 4, 期 35, 页码 18141-18145

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ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ra00847b

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资金

  1. Natural Science Foundation of China [51372223]
  2. Program for Innovative Research Team in University of Ministry of Education of China [IRT13037]
  3. Science and Technology Department of Zhejiang Province [2010R50020]

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We carry out a comprehensive temperature-dependent photoluminescence (PL) study on chemically derived graphene oxide (GO) sheets. According to the unusual temperature dependence, we introduce a trap state similar to 114 meV beneath the LUMO, which implies an additional carrier decay process.

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