The photoresponse and photoconductivity of micron-sized C60 whiskers and sub-millimeter-sized C60 clusters
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Abstract:
The photoresponse and photoconductivity properties of micron-sized C60 whiskers and sub-millimeter-sized C60 clusters are successfully studied by the microfabrication technologies. According to the ultraviolet-visible-near infrared (UV-Vis-NIR) absorption spectroscopic study, a highly intense absorption is observed in the UV and visible light regions, which indicates probable applications in photoelectric devices. Furthermore, a large photocurrent is measured under the illumination of white light in nitrogen (N2) atmosphere. The micron-sized C60 whiskers and the sub-millimeter-sized C60 clusters have different photoresponse curves under the same condition of measurement. A quick transformation of photoelectric response is detected in parallel multi-arranged micron-sized C60 whiskers, but the recovery of the photocurrent of self-assembly sub-millimeter-sized C60 clusters is much slower.
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Project Supported:
the Major State Basic Research Development Program of China(No.2012CB825804)
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