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

*Corresponding author for this work

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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 - 6 Apr 2007
Externally publishedYes

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Huang, Q., Sandanayaka, A. S. D., Bando, Y., Zhi, C., Ma, R., Shen, G., Golberg, D., Zhao, J., Araki, Y., Ito, O., & Gao, L. (2007). Donor-acceptor nanoensembles based on boron nitride nanotubes. Advanced Materials, 19(7), 934-938. https://doi.org/10.1002/adma.200602058