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나노물질 및 화학반응 연구단
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The role of N-doped multiwall carbon nanotubes in achieving highly efficient polymer bulk heterojunction solar cells Highly Cited Paper

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Title
The role of N-doped multiwall carbon nanotubes in achieving highly efficient polymer bulk heterojunction solar cells
Author(s)
Lu L.; Xu T.; Chen W.; Ju Min Lee; Luo Z.; Jung I.H.; Hyung Il Park; Sang Ouk Kim; Yu L.
Publication Date
2013-06
Journal
NANO LETTERS, v.13, no.6, pp.2365 - 2369
Publisher
AMER CHEMICAL SOC
Abstract
This paper reports an improved solar cell performance of 8.6% by incorporation of N-doped multiwall carbon nanotubes (N-MCNTs) into BHJ solar cells composed of PTB7 and PC71BM. It was demonstrated for the first time that incorporation of N-MCNTs leads to not only increased nanocrystallite sizes but also smaller phase-separated domain sizes of both PTB7 copolymers and PC71BM from X-ray scattering study. The results show that N-MCNTs could serve as both exciton dissociation centers and charge transfer channels. The enhanced charge dissociation probabilities and effective charge carrier lifetime in the active layer material offer evidence to support the conclusion that N-MCNTs facilitated charge separation and transport. © 2013 American Chemical Society.
URI
https://pr.ibs.re.kr/handle/8788114/1312
ISSN
1530-6984
Appears in Collections:
Center for Nanomaterials and Chemical Reactions(나노물질 및 화학반응 연구단) > Journal Papers (저널논문)
Files in This Item:
40_IBS CA1301-2_Nanoletters_13-6_01_2365_The Role of N-Doped Multiwall Carbon Nanotubes in Achieving Highly Efficient Polymer Bulk.pdfDownload

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