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Type: Journal article
Title: Application of hole-transporting materials as the interlayer in graphene oxide/single-wall carbon nanotube silicon heterojunction solar cells
Author: Yu, L.
Grace, T.
Pham, H.D.
Batmunkh, M.
Dadkhah, M.
Shearer, C.
Sonar, P.
Shapter, J.
Citation: Australian Journal of Chemistry: an international journal for chemical science, 2017; 70(11):1202-1211
Publisher: CSIRO Publishing
Issue Date: 2017
ISSN: 0004-9425
Statement of
LePing Yu, Tom Grace, Hong Duc Pham, Munkhbayar Batmunkh, Mahnaz Dadkhah, Cameron Shearer, Prashant Sonar and Joe Shapter
Abstract: Solid-state hole-transporting materials, including the traditional poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS), and recently developed 4,4′-(naphthalene-2,6-diyl)bis(N,N-bis(4-methoxyphenyl)aniline) (NAP) and (E)-4′,4‴-(ethene-1,2-diyl)bis(N,N-bis(4-methoxyphenyl)-[1″,1‴-biphenyl]-4-amine) (BPV), have been applied as a hole-transporting interlayer (HTL) for graphene oxide/single-walled carbon nanotube–silicon (GOCNT/Si) heterojunction solar cells, forming a GOCNT/HTL/Si architecture. The influence of the thickness of the HTL has been studied. A new AuCl3 doping process based on bath immersion has been developed and proved to improve the efficiency. With the AuCl3-doped GOCNT electrodes, the efficiency of GOCNT/PEDOT:PSS/Si, GOCNT/NAP/Si, and GOCNT/BPV/Si devices was improved to 12.05 ± 0.21, 10.57 ± 0.37, and 10.68 ± 0.27 % respectively. This study reveals that the addition of an HTL is able to dramatically minimise recombination at the heterojunction interface.
Rights: Journal compilation © CSIRO 2017
DOI: 10.1071/CH17380
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Chemical Engineering publications

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