Photodoping and enhanced visible light absorption in single-walled carbon nanotubes functionalized with a wide band gap oligomer

Benjamin R. Bunes, Miao Xu, Yaqiong Zhang, Dustin E. Gross, Avishek Saha, Daniel L. Jacobs, Xiaomei Yang, Jeffrey S. Moore, Ling Zang

Research output: Contribution to journalArticlepeer-review

Abstract

(Graph Presented).Carbon nanotubes feature excellent electronic properties but narrow absorption bands limit their utility in certain optoelectronic devices, including photovoltaic cells. Here, the addition of a wide-bandgap oligomer enhances light absorption in the visible spectrum. Furthermore, the oligomer interacts with the carbon nanotube through a peculiar charge transfer, which provides insight into Type II heterojunctions.

Original languageEnglish (US)
Pages (from-to)162-167
Number of pages6
JournalAdvanced Materials
Volume27
Issue number1
DOIs
StatePublished - Jan 7 2015

Keywords

  • Carbon nanotubes
  • Charge transfer complex
  • Field effect transistor
  • Photocurrent
  • Photodoping

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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