Enhanced crystalline morphology of a ladder-type polymer bulk-heterojunction device by blade-coating

Jong H. Kim; Jae Woong Jung; Spencer T. Williams; Feng Liu; Thomas P. Russell; Alex K.-Y. Jen

doi:10.1039/c5nr02657a

Enhanced crystalline morphology of a ladder-type polymer bulk-heterojunction device by blade-coating

Jong H. Kim
, Jae Woong Jung
, Spencer T. Williams
, Feng Liu
, Thomas P. Russell
, Alex K.-Y. Jen^*

^*Corresponding author for this work

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

8 Citations (Scopus)

Abstract

A blade-coating process was employed to fabricate bulk-heterojunction (BHJ) polymer solar cells based on a ladder-type polymer (PIDT-PhanQ) with low crystallinity. Compared to the devices processed by a conventional spin-coating method, an intriguing morphology with enhanced phase-separation and increased crystallinity was achieved. As a result, power conversion efficiency up to 7.25% could be achieved from the blade-coated PIDT-PhanQ:PC₇₁BM BHJ film, surpassing the original value obtained by spin-coating (6.29%). This improved photovoltaic performance is attributed to the improved charge carrier mobilities, which correlates well with the increased crystallinity and the organized network of the donor-acceptor phases that produce efficient charge-transporting pathways.

Original language	English
Pages (from-to)	10936-10939
Journal	Nanoscale
Volume	7
Issue number	25
DOIs	https://doi.org/10.1039/c5nr02657a
Publication status	Published - 7 Jul 2015
Externally published	Yes

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SDG 7 Affordable and Clean Energy

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title = "Enhanced crystalline morphology of a ladder-type polymer bulk-heterojunction device by blade-coating",

abstract = "A blade-coating process was employed to fabricate bulk-heterojunction (BHJ) polymer solar cells based on a ladder-type polymer (PIDT-PhanQ) with low crystallinity. Compared to the devices processed by a conventional spin-coating method, an intriguing morphology with enhanced phase-separation and increased crystallinity was achieved. As a result, power conversion efficiency up to 7.25\% could be achieved from the blade-coated PIDT-PhanQ:PC71BM BHJ film, surpassing the original value obtained by spin-coating (6.29\%). This improved photovoltaic performance is attributed to the improved charge carrier mobilities, which correlates well with the increased crystallinity and the organized network of the donor-acceptor phases that produce efficient charge-transporting pathways.",

author = "Kim, \{Jong H.\} and Jung, \{Jae Woong\} and Williams, \{Spencer T.\} and Feng Liu and Russell, \{Thomas P.\} and Jen, \{Alex K.-Y.\}",

year = "2015",

month = jul,

day = "7",

doi = "10.1039/c5nr02657a",

language = "English",

volume = "7",

pages = "10936--10939",

journal = "Nanoscale",

issn = "2040-3364",

publisher = "Royal Society of Chemistry",

number = "25",

}

TY - JOUR

T1 - Enhanced crystalline morphology of a ladder-type polymer bulk-heterojunction device by blade-coating

AU - Kim, Jong H.

AU - Jung, Jae Woong

AU - Williams, Spencer T.

AU - Liu, Feng

AU - Russell, Thomas P.

AU - Jen, Alex K.-Y.

PY - 2015/7/7

Y1 - 2015/7/7

N2 - A blade-coating process was employed to fabricate bulk-heterojunction (BHJ) polymer solar cells based on a ladder-type polymer (PIDT-PhanQ) with low crystallinity. Compared to the devices processed by a conventional spin-coating method, an intriguing morphology with enhanced phase-separation and increased crystallinity was achieved. As a result, power conversion efficiency up to 7.25% could be achieved from the blade-coated PIDT-PhanQ:PC71BM BHJ film, surpassing the original value obtained by spin-coating (6.29%). This improved photovoltaic performance is attributed to the improved charge carrier mobilities, which correlates well with the increased crystallinity and the organized network of the donor-acceptor phases that produce efficient charge-transporting pathways.

AB - A blade-coating process was employed to fabricate bulk-heterojunction (BHJ) polymer solar cells based on a ladder-type polymer (PIDT-PhanQ) with low crystallinity. Compared to the devices processed by a conventional spin-coating method, an intriguing morphology with enhanced phase-separation and increased crystallinity was achieved. As a result, power conversion efficiency up to 7.25% could be achieved from the blade-coated PIDT-PhanQ:PC71BM BHJ film, surpassing the original value obtained by spin-coating (6.29%). This improved photovoltaic performance is attributed to the improved charge carrier mobilities, which correlates well with the increased crystallinity and the organized network of the donor-acceptor phases that produce efficient charge-transporting pathways.

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UR - https://www.scopus.com/record/pubmetrics.uri?eid=2-s2.0-84931394995&origin=recordpage

U2 - 10.1039/c5nr02657a

DO - 10.1039/c5nr02657a

M3 - RGC 21 - Publication in refereed journal

SN - 2040-3364

VL - 7

SP - 10936

EP - 10939

JO - Nanoscale

JF - Nanoscale

IS - 25

ER -

Enhanced crystalline morphology of a ladder-type polymer bulk-heterojunction device by blade-coating

Abstract

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