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Föster resonance energy transfer in solution-processed Si-nanoparticle/carbon nanotube nanocomposites
Xiao-Wei Pan1, Nan Liu, Ding-Xiang Zheng
1Department of Polymer Science and Engineering, Key Laboratory of Macromolecule Synthesis and Functionalization of Ministry of Education, State Key Lab of Silicon Materials, Zhejiang University, Hangzhou 310027, People's Republic of China.
Abstract:
By exploiting a simple solution approach, we bound ethoxy-terminated Si nanoparticles to surface functionalized multi-walled carbon nanotubes (MWCNTs) via covalent bonds. Quenching of photoluminescence (PL) of the Si nanoparticles was observed once they were conjugated to the MWCNTs. Analysis of the time-resolved PL decay and calculation indicated that Föster resonance energy transfer from the Si nanoparticles to the MWCNTs may be responsible for the PL quenching. The results suggest novel potential applications of the unique Si/MWCNT nanocomposites in optoelectronic devices.
