Polymer bulk heterojunction photovoltaics employing a squaraine donor additive

Yong Joo Cho; Jun Yeob Lee; Byung Doo Chin; Stephen R. Forrest

doi:10.1016/j.orgel.2013.01.014

Polymer bulk heterojunction photovoltaics employing a squaraine donor additive

Yong Joo Cho
, Jun Yeob Lee
, Byung Doo Chin
, Stephen R. Forrest

Research output: Contribution to journal › Article › peer-review

32 Scopus citations

Abstract

We investigate the effects of adding a functionalized squaraine donor 2,4-bis[4-(N,N-diphenylamino)-2,6-dihydroxyphenyl] squaraine (DPSQ) into a conventional poly(3-hexylthiophene)(P3HT):[6,6]-phenyl C₆₁-butyric acid methyl ester (PCBM) polymer bulk heterojunction photovoltaic cell. The near infrared absorption of the blend was enhanced by the DPSQ additive, resulting in an increased power conversion efficiency of the P3HT:PCBM devices by >20%. A maximum power conversion efficiency of 3.4 ± 0.3% and an external quantum efficiency as high as 55% was achieved for a P3HT:PCBM blend that included 5 wt.% DPSQ.

Original language	English
Pages (from-to)	1081-1085
Number of pages	5
Journal	Organic Electronics
Volume	14
Issue number	4
DOIs	https://doi.org/10.1016/j.orgel.2013.01.014
State	Published - Apr 2013
Externally published	Yes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

Keywords

Long wavelength absorption
Polymer photovoltaics
Power conversion efficiency
Short circuit current
Squaraine additive

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10.1016/j.orgel.2013.01.014

Cite this

@article{a5383435e11549c19ff7fc45984132aa,

title = "Polymer bulk heterojunction photovoltaics employing a squaraine donor additive",

abstract = "We investigate the effects of adding a functionalized squaraine donor 2,4-bis[4-(N,N-diphenylamino)-2,6-dihydroxyphenyl] squaraine (DPSQ) into a conventional poly(3-hexylthiophene)(P3HT):[6,6]-phenyl C61-butyric acid methyl ester (PCBM) polymer bulk heterojunction photovoltaic cell. The near infrared absorption of the blend was enhanced by the DPSQ additive, resulting in an increased power conversion efficiency of the P3HT:PCBM devices by >20\%. A maximum power conversion efficiency of 3.4 ± 0.3\% and an external quantum efficiency as high as 55\% was achieved for a P3HT:PCBM blend that included 5 wt.\% DPSQ.",

keywords = "Long wavelength absorption, Polymer photovoltaics, Power conversion efficiency, Short circuit current, Squaraine additive",

author = "Cho, \{Yong Joo\} and Lee, \{Jun Yeob\} and Chin, \{Byung Doo\} and Forrest, \{Stephen R.\}",

year = "2013",

month = apr,

doi = "10.1016/j.orgel.2013.01.014",

language = "English",

volume = "14",

pages = "1081--1085",

journal = "Organic Electronics",

issn = "1566-1199",

publisher = "Elsevier B.V.",

number = "4",

}

TY - JOUR

T1 - Polymer bulk heterojunction photovoltaics employing a squaraine donor additive

AU - Cho, Yong Joo

AU - Lee, Jun Yeob

AU - Chin, Byung Doo

AU - Forrest, Stephen R.

PY - 2013/4

Y1 - 2013/4

N2 - We investigate the effects of adding a functionalized squaraine donor 2,4-bis[4-(N,N-diphenylamino)-2,6-dihydroxyphenyl] squaraine (DPSQ) into a conventional poly(3-hexylthiophene)(P3HT):[6,6]-phenyl C61-butyric acid methyl ester (PCBM) polymer bulk heterojunction photovoltaic cell. The near infrared absorption of the blend was enhanced by the DPSQ additive, resulting in an increased power conversion efficiency of the P3HT:PCBM devices by >20%. A maximum power conversion efficiency of 3.4 ± 0.3% and an external quantum efficiency as high as 55% was achieved for a P3HT:PCBM blend that included 5 wt.% DPSQ.

AB - We investigate the effects of adding a functionalized squaraine donor 2,4-bis[4-(N,N-diphenylamino)-2,6-dihydroxyphenyl] squaraine (DPSQ) into a conventional poly(3-hexylthiophene)(P3HT):[6,6]-phenyl C61-butyric acid methyl ester (PCBM) polymer bulk heterojunction photovoltaic cell. The near infrared absorption of the blend was enhanced by the DPSQ additive, resulting in an increased power conversion efficiency of the P3HT:PCBM devices by >20%. A maximum power conversion efficiency of 3.4 ± 0.3% and an external quantum efficiency as high as 55% was achieved for a P3HT:PCBM blend that included 5 wt.% DPSQ.

KW - Long wavelength absorption

KW - Polymer photovoltaics

KW - Power conversion efficiency

KW - Short circuit current

KW - Squaraine additive

UR - https://www.scopus.com/pages/publications/84874934853

U2 - 10.1016/j.orgel.2013.01.014

DO - 10.1016/j.orgel.2013.01.014

M3 - Article

AN - SCOPUS:84874934853

SN - 1566-1199

VL - 14

SP - 1081

EP - 1085

JO - Organic Electronics

JF - Organic Electronics

IS - 4

ER -

Polymer bulk heterojunction photovoltaics employing a squaraine donor additive

Abstract

UN SDGs

Keywords

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