Observation of Charge Separation and Space-Charge Region in Single-Crystal P3HT/C-60 Heterojunction Nanowires

Title
Observation of Charge Separation and Space-Charge Region in Single-Crystal P3HT/C-60 Heterojunction Nanowires
Authors
이용은
Keywords
nanotransfer printing; optoelectronics; organic nanowires; p-n heterojunctions; space-charge region
Issue Date
2016-08
Publisher
WILEY-V C H VERLAG GMBH
Citation
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, v. 55, NO. 35, Page. 10273-10277
Abstract
We directly observed charge separation and a space-charge region in an organic single-crystal p-n heterojunction nanowire, by means of scanning photocurrent microscopy. The axial p-n heterojunction nanowire had a well-defined planar junction, consisted of P3HT (p-type) and C-60 (n-type) single crystals and was fabricated by means of the recently developed inkjet-assisted nanotransfer printing technique. The depletion region formed at the p-n junction was directly observed by exploring the spatial distribution of photogenerated carriers along the heterojunction nanowire under various applied bias voltages. Our study provides a facile approach toward the precise characterization of charge transport in organic heterojunction systems as well as the design of efficient nanoscale organic optoelectronic devices.
URI
https://onlinelibrary.wiley.com/doi/abs/10.1002/anie.201603961http://repository.hanyang.ac.kr/handle/20.500.11754/76106
ISSN
1433-7851; 1521-3773
DOI
http://dx.doi.org/10.1002/anie.201603961
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RESEARCH INSTITUTE[S](부설연구소) > ETC
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