Fushan Li et al 2009 Nanotechnology 20 155202 doi:10.1088/0957-4484/20/15/155202
Fushan Li, Dong Ick Son, Sung Hwan Cho, Won Tae Kim and Tae Whan Kim1
Show affiliationsIn situ growth of ZnO quantum dots (QDs) on the surface of multi-walled carbon nanotubes (MWCNTs) was presented, and their application in photovoltaic cells by using flexible polyethylene terephthalate substrates was demonstrated. High-resolution transmission electron microscopy images revealed the conjugation of ZnO QDs with MWCNTs. Photoluminescence spectra indicated that the charge transfer efficiency at ZnO QD–MWCNT heterojunctions was above 90%, as confirmed by time-resolved photoluminescence measurements. Current–voltage measurements on the flexible devices fabricated utilizing ZnO QD–MWCNT heterojunctions showed the robust nature of the ZnO QD–MWCNT-based photovoltaic cells and their potential applications as the power source for flexible hand-held consumer electronics.
85.60.Bt Optoelectronic device characterization, design, and modeling
Condensed matter: electrical, magnetic and optical
Surfaces, interfaces and thin films
Issue 15 (15 April 2009)
Received 8 January 2009
Published 24 March 2009
Fushan Li et al 2009 Nanotechnology 20 155202
Narjes Gorjizadeh et al 2009 Nanotechnology 20 015201
Tae-Wook Kim et al 2009 Nanotechnology 20 025201
Minglei Ji et al 2009 Nanotechnology 20 075101
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