Donor-acceptor nanoensembles based on boron nitride nanotubes

Qing Huang, Atula S.D. Sandanayaka, Yoshio Bando, Chunyi Zhi, Renzhi Ma, Guozhen Shen, Dmitri Golberg, Jincai Zhao, Yasuyuki Araki, Osamu Ito, Lian Gao

Research output: Contribution to journalArticlepeer-review

25 Citations (Scopus)

Abstract

The fabrication of that consist of multiwalled boron nitride nanotubes (BNNT) and organic π-electron donors was investigated. A charge separation between the ZnPc moiety and the BNNT during illumination was disclosed by optical spectroscopy techniques. The quenching of ZnPc emission within a broad 640-800 nm band was observed after adding BNNT. The time-resolved fluorescence was further investigated by using a streak scope, by which a similar red-shift in the emission peak was observed as in steady-state fluorescence spectra. An obvious decay in fluorescence was also found due to the ultrafast dc-excitation process in a 2/BNNT hybrid in water. The transient absorption spectra were measured to obtain information on the excited states directly after the nanosecond laser light excitation of ZnPc/BNNT hybrids. Fluorescence spectroscopies revealed electronic transfer in these hybrids.

Original languageEnglish
Pages (from-to)934-938
Number of pages5
JournalAdvanced Materials
Volume19
Issue number7
DOIs
Publication statusPublished - 2007 Apr 6

ASJC Scopus subject areas

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

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