Rational design of a main chain conjugated copolymer having donor-acceptor heterojunctions and its application in indoor photovoltaic cells

Na Yeon Kwon; Su Hong Park; Hungu Kang; Ashkan Vakilipour Takaloo; Amit Kumar Harit; Han Young Woo; Tae Geun Kim; Hyo Jae Yoon; Min Ju Cho; Dong Hoon Choi

doi:10.1039/d0ta06420c

Rational design of a main chain conjugated copolymer having donor-acceptor heterojunctions and its application in indoor photovoltaic cells

Na Yeon Kwon, Su Hong Park, Hungu Kang, Ashkan Vakilipour Takaloo, Amit Kumar Harit, Han Young Woo, Tae Geun Kim, Hyo Jae Yoon, Min Ju Cho, Dong Hoon Choi

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

18 Citations (Scopus)

Abstract

We successfully synthesized a crystalline main chain conjugated copolymer, P(BDBT-co-NDI2T), having BDBT donor-NDI2T acceptor heterojunctions in the film state. Interestingly, the polymer exhibited a strong absorption band from 500 to 650 nm, which overlapped well with the emission spectrum of white light-emitting diodes (LEDs) used as an indoor light source. The P(BDBT-co-NDI2T) films had a relatively smooth surface and internal morphology compared to the blend films of P(BDBT) and P(NDI2T). In particular, the Kelvin probe force microscopy data explained the increased uniformity in the distribution of the surface charge in the annealed P(BDBT-co-NDI2T) films as compared to those of the annealed blend films of P(BDBT) and P(NDI2T). Indoor photovoltaics (IPVs) produced by using the P(BDBT-co-NDI2T) synthesized in this study as an active layer showed a high power conversion efficiency of 12.70% (@500 lux) with a short circuit current density of 49.89 μA cm⁻². The PCE of the P(BDBT-co-NDI2T) film-based IPVs was twice as high as that of the blend film-based IPVs and showed excellent operational stability. This study is the first time that the P(BDBT-co-NDI2T) has been applied in IPVs, which suggests the potential for their widespread use in the development of indoor organic PVs in the future.

Original language	English
Pages (from-to)	20091-20100
Number of pages	10
Journal	Journal of Materials Chemistry A
Volume	8
Issue number	38
DOIs	https://doi.org/10.1039/d0ta06420c
Publication status	Published - 2020 Oct 14

ASJC Scopus subject areas

Chemistry(all)
Renewable Energy, Sustainability and the Environment
Materials Science(all)

UN SDGs

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

Access to Document

10.1039/d0ta06420c

Cite this

@article{1c07bbc4aa2348339a29957e8e4ffd42,

title = "Rational design of a main chain conjugated copolymer having donor-acceptor heterojunctions and its application in indoor photovoltaic cells",

abstract = "We successfully synthesized a crystalline main chain conjugated copolymer, P(BDBT-co-NDI2T), having BDBT donor-NDI2T acceptor heterojunctions in the film state. Interestingly, the polymer exhibited a strong absorption band from 500 to 650 nm, which overlapped well with the emission spectrum of white light-emitting diodes (LEDs) used as an indoor light source. The P(BDBT-co-NDI2T) films had a relatively smooth surface and internal morphology compared to the blend films of P(BDBT) and P(NDI2T). In particular, the Kelvin probe force microscopy data explained the increased uniformity in the distribution of the surface charge in the annealed P(BDBT-co-NDI2T) films as compared to those of the annealed blend films of P(BDBT) and P(NDI2T). Indoor photovoltaics (IPVs) produced by using the P(BDBT-co-NDI2T) synthesized in this study as an active layer showed a high power conversion efficiency of 12.70% (@500 lux) with a short circuit current density of 49.89 μA cm−2. The PCE of the P(BDBT-co-NDI2T) film-based IPVs was twice as high as that of the blend film-based IPVs and showed excellent operational stability. This study is the first time that the P(BDBT-co-NDI2T) has been applied in IPVs, which suggests the potential for their widespread use in the development of indoor organic PVs in the future.",

author = "Kwon, {Na Yeon} and Park, {Su Hong} and Hungu Kang and Takaloo, {Ashkan Vakilipour} and Harit, {Amit Kumar} and Woo, {Han Young} and Kim, {Tae Geun} and Yoon, {Hyo Jae} and Cho, {Min Ju} and Choi, {Dong Hoon}",

note = "Funding Information: This work was supported by the National Research Foundation of Korea (NRF-2020R1I1A1A01066897, 2019R1A2C2002647, 2019R1A6A1A11044070, and 2019R1A2C2011003). We are grateful to the Pohang Accelerator Laboratory (Pohang, Korea) for allowing us to conduct the grazing incidence X-ray diffraction measurements (GIWAXD) and Korea Basic Science Institute (Seoul) for allowing us to obtain the TEM data. Publisher Copyright: {\textcopyright} The Royal Society of Chemistry 2020.",

year = "2020",

month = oct,

day = "14",

doi = "10.1039/d0ta06420c",

language = "English",

volume = "8",

pages = "20091--20100",

journal = "Journal of Materials Chemistry A",

issn = "2050-7488",

publisher = "Royal Society of Chemistry",

number = "38",

}

TY - JOUR

T1 - Rational design of a main chain conjugated copolymer having donor-acceptor heterojunctions and its application in indoor photovoltaic cells

AU - Kwon, Na Yeon

AU - Park, Su Hong

AU - Kang, Hungu

AU - Takaloo, Ashkan Vakilipour

AU - Harit, Amit Kumar

AU - Woo, Han Young

AU - Kim, Tae Geun

AU - Yoon, Hyo Jae

AU - Cho, Min Ju

AU - Choi, Dong Hoon

N1 - Funding Information: This work was supported by the National Research Foundation of Korea (NRF-2020R1I1A1A01066897, 2019R1A2C2002647, 2019R1A6A1A11044070, and 2019R1A2C2011003). We are grateful to the Pohang Accelerator Laboratory (Pohang, Korea) for allowing us to conduct the grazing incidence X-ray diffraction measurements (GIWAXD) and Korea Basic Science Institute (Seoul) for allowing us to obtain the TEM data. Publisher Copyright: © The Royal Society of Chemistry 2020.

PY - 2020/10/14

Y1 - 2020/10/14

N2 - We successfully synthesized a crystalline main chain conjugated copolymer, P(BDBT-co-NDI2T), having BDBT donor-NDI2T acceptor heterojunctions in the film state. Interestingly, the polymer exhibited a strong absorption band from 500 to 650 nm, which overlapped well with the emission spectrum of white light-emitting diodes (LEDs) used as an indoor light source. The P(BDBT-co-NDI2T) films had a relatively smooth surface and internal morphology compared to the blend films of P(BDBT) and P(NDI2T). In particular, the Kelvin probe force microscopy data explained the increased uniformity in the distribution of the surface charge in the annealed P(BDBT-co-NDI2T) films as compared to those of the annealed blend films of P(BDBT) and P(NDI2T). Indoor photovoltaics (IPVs) produced by using the P(BDBT-co-NDI2T) synthesized in this study as an active layer showed a high power conversion efficiency of 12.70% (@500 lux) with a short circuit current density of 49.89 μA cm−2. The PCE of the P(BDBT-co-NDI2T) film-based IPVs was twice as high as that of the blend film-based IPVs and showed excellent operational stability. This study is the first time that the P(BDBT-co-NDI2T) has been applied in IPVs, which suggests the potential for their widespread use in the development of indoor organic PVs in the future.

AB - We successfully synthesized a crystalline main chain conjugated copolymer, P(BDBT-co-NDI2T), having BDBT donor-NDI2T acceptor heterojunctions in the film state. Interestingly, the polymer exhibited a strong absorption band from 500 to 650 nm, which overlapped well with the emission spectrum of white light-emitting diodes (LEDs) used as an indoor light source. The P(BDBT-co-NDI2T) films had a relatively smooth surface and internal morphology compared to the blend films of P(BDBT) and P(NDI2T). In particular, the Kelvin probe force microscopy data explained the increased uniformity in the distribution of the surface charge in the annealed P(BDBT-co-NDI2T) films as compared to those of the annealed blend films of P(BDBT) and P(NDI2T). Indoor photovoltaics (IPVs) produced by using the P(BDBT-co-NDI2T) synthesized in this study as an active layer showed a high power conversion efficiency of 12.70% (@500 lux) with a short circuit current density of 49.89 μA cm−2. The PCE of the P(BDBT-co-NDI2T) film-based IPVs was twice as high as that of the blend film-based IPVs and showed excellent operational stability. This study is the first time that the P(BDBT-co-NDI2T) has been applied in IPVs, which suggests the potential for their widespread use in the development of indoor organic PVs in the future.

UR - http://www.scopus.com/inward/record.url?scp=85092435005&partnerID=8YFLogxK

U2 - 10.1039/d0ta06420c

DO - 10.1039/d0ta06420c

M3 - Article

AN - SCOPUS:85092435005

SN - 2050-7488

VL - 8

SP - 20091

EP - 20100

JO - Journal of Materials Chemistry A

JF - Journal of Materials Chemistry A

IS - 38

ER -

Rational design of a main chain conjugated copolymer having donor-acceptor heterojunctions and its application in indoor photovoltaic cells

Abstract

ASJC Scopus subject areas

UN SDGs

Access to Document

Other files and links

Fingerprint

Cite this