Intrinsic Photoluminescence Emission from Subdomained Graphene Quantum Dots

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

132 Scopus Citations
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Author(s)

  • Hyewon Yoon
  • Yun Hee Chang
  • Sung Ho Song
  • Eui-Sup Lee
  • Sung Hwan Jin
  • Chanae Park
  • Jinsup Lee
  • Bo Hyun Kim
  • Hee Jae Kang
  • Yong-Hyun Kim

Detail(s)

Original languageEnglish
Pages (from-to)5255-5261
Journal / PublicationAdvanced Materials
Volume28
Issue number26
Online published6 May 2016
Publication statusPublished - 13 Jul 2016
Externally publishedYes

Abstract

The photoluminescence (PL) origin of bright blue emission arising from intrinsic states in graphene quantum dots (GQDs) is investigated. The bright PL of intercalatively acquired GQDs is attributed to favorably formed subdomains composed of four to seven carbon hexagons. Random and harsh oxidation which hinders the energetically favorable formation of subdomains causes weak and redshifted PL.

Research Area(s)

  • band gap, graphene quantum dots, intrinsic photoluminescence, luminescence mechanism, subdomains

Citation Format(s)

Intrinsic Photoluminescence Emission from Subdomained Graphene Quantum Dots. / Yoon, Hyewon; Chang, Yun Hee; Song, Sung Ho et al.
In: Advanced Materials, Vol. 28, No. 26, 13.07.2016, p. 5255-5261.

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review