Synthesis and characterization of phenathrothiadiazole-based conjugated polymer for photovoltaic device

Suhee Song; Seijung Park; Sooncheol Kwon; Byoung Hoon Lee; Ju Ae Kim; Sung Heum Park; Youngeup Jin; Jongjin Lee; Il Kim; Kwanghee Lee; Hongsuk Suh

doi:10.1016/j.synthmet.2012.08.009

Synthesis and characterization of phenathrothiadiazole-based conjugated polymer for photovoltaic device

Suhee Song, Seijung Park, Sooncheol Kwon, Byoung Hoon Lee, Ju Ae Kim, Sung Heum Park, Youngeup Jin, Jongjin Lee, Il Kim, Kwanghee Lee, Hongsuk Suh

Department of Chemical Engineering & Materials Science

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

6 Scopus citations

Abstract

A new accepter with phenanthro[9,10-c][1,2,5]thiadiazole unit was synthesized and utilized for the synthesis of the conjugated polymers, PCPDTDTPT and PCDTPT, containing electron donor-acceptor pairs for OPV devices. This novel phenanthro[9,10-c][1,2,5]thiadiazole unit with phenanthene group can supply planarity and possess electron deficient thiadiazole group. The solid films of PCPDTDTPT and PCDTPT show absorption bands with maximum peaks at 492 and 394 nm and the absorption onsets at 620 and 519 nm, corresponding to band gaps of 2.00 and 2.39 eV, respectively. The HOMO and LUMO levels of PCPDTDTPT and PCDTPT were estimated to be (-5.54, -3.63) and (5.81, 3.65) eV, respectively. The PCDTPT with carbazole moiety shows lower HOMO levels as compared to PCPDTDTPT caused by strong electron donating ability of nitrogen atom to provide higher V _oc. The devices with PCPDTDTPT: PC ₇₁BM with TiO _x layer showed a V _OC of 0.77 V, a J _SC of 4.71 mA/cm ², and a FF of 0.36, giving a power conversion efficiency of 1.24%. Crown

Original language	English
Pages (from-to)	1936-1943
Number of pages	8
Journal	Synthetic Metals
Volume	162
Issue number	21-22
DOIs	https://doi.org/10.1016/j.synthmet.2012.08.009
State	Published - Dec 2012

Bibliographical note

Funding Information:
This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MEST) (No. 2010-0015069 ) and by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology (No. 2011-0010851 ).

Keywords

Phenanthrothiadiazole
Photovoltaic cells
Polymer
Synthesis

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10.1016/j.synthmet.2012.08.009

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@article{612575a4f7dd475a8c420e00d3a40f02,

title = "Synthesis and characterization of phenathrothiadiazole-based conjugated polymer for photovoltaic device",

abstract = "A new accepter with phenanthro[9,10-c][1,2,5]thiadiazole unit was synthesized and utilized for the synthesis of the conjugated polymers, PCPDTDTPT and PCDTPT, containing electron donor-acceptor pairs for OPV devices. This novel phenanthro[9,10-c][1,2,5]thiadiazole unit with phenanthene group can supply planarity and possess electron deficient thiadiazole group. The solid films of PCPDTDTPT and PCDTPT show absorption bands with maximum peaks at 492 and 394 nm and the absorption onsets at 620 and 519 nm, corresponding to band gaps of 2.00 and 2.39 eV, respectively. The HOMO and LUMO levels of PCPDTDTPT and PCDTPT were estimated to be (-5.54, -3.63) and (5.81, 3.65) eV, respectively. The PCDTPT with carbazole moiety shows lower HOMO levels as compared to PCPDTDTPT caused by strong electron donating ability of nitrogen atom to provide higher V oc. The devices with PCPDTDTPT: PC 71BM with TiO x layer showed a V OC of 0.77 V, a J SC of 4.71 mA/cm 2, and a FF of 0.36, giving a power conversion efficiency of 1.24%. Crown",

keywords = "Phenanthrothiadiazole, Photovoltaic cells, Polymer, Synthesis",

author = "Suhee Song and Seijung Park and Sooncheol Kwon and Lee, {Byoung Hoon} and Kim, {Ju Ae} and Park, {Sung Heum} and Youngeup Jin and Jongjin Lee and Il Kim and Kwanghee Lee and Hongsuk Suh",

note = "Funding Information: This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MEST) (No. 2010-0015069 ) and by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology (No. 2011-0010851 ).",

year = "2012",

month = dec,

doi = "10.1016/j.synthmet.2012.08.009",

language = "English",

volume = "162",

pages = "1936--1943",

journal = "Synthetic Metals",

issn = "0379-6779",

publisher = "Elsevier BV",

number = "21-22",

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TY - JOUR

T1 - Synthesis and characterization of phenathrothiadiazole-based conjugated polymer for photovoltaic device

AU - Song, Suhee

AU - Park, Seijung

AU - Kwon, Sooncheol

AU - Lee, Byoung Hoon

AU - Kim, Ju Ae

AU - Park, Sung Heum

AU - Jin, Youngeup

AU - Lee, Jongjin

AU - Kim, Il

AU - Lee, Kwanghee

AU - Suh, Hongsuk

N1 - Funding Information: This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MEST) (No. 2010-0015069 ) and by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology (No. 2011-0010851 ).

PY - 2012/12

Y1 - 2012/12

N2 - A new accepter with phenanthro[9,10-c][1,2,5]thiadiazole unit was synthesized and utilized for the synthesis of the conjugated polymers, PCPDTDTPT and PCDTPT, containing electron donor-acceptor pairs for OPV devices. This novel phenanthro[9,10-c][1,2,5]thiadiazole unit with phenanthene group can supply planarity and possess electron deficient thiadiazole group. The solid films of PCPDTDTPT and PCDTPT show absorption bands with maximum peaks at 492 and 394 nm and the absorption onsets at 620 and 519 nm, corresponding to band gaps of 2.00 and 2.39 eV, respectively. The HOMO and LUMO levels of PCPDTDTPT and PCDTPT were estimated to be (-5.54, -3.63) and (5.81, 3.65) eV, respectively. The PCDTPT with carbazole moiety shows lower HOMO levels as compared to PCPDTDTPT caused by strong electron donating ability of nitrogen atom to provide higher V oc. The devices with PCPDTDTPT: PC 71BM with TiO x layer showed a V OC of 0.77 V, a J SC of 4.71 mA/cm 2, and a FF of 0.36, giving a power conversion efficiency of 1.24%. Crown

AB - A new accepter with phenanthro[9,10-c][1,2,5]thiadiazole unit was synthesized and utilized for the synthesis of the conjugated polymers, PCPDTDTPT and PCDTPT, containing electron donor-acceptor pairs for OPV devices. This novel phenanthro[9,10-c][1,2,5]thiadiazole unit with phenanthene group can supply planarity and possess electron deficient thiadiazole group. The solid films of PCPDTDTPT and PCDTPT show absorption bands with maximum peaks at 492 and 394 nm and the absorption onsets at 620 and 519 nm, corresponding to band gaps of 2.00 and 2.39 eV, respectively. The HOMO and LUMO levels of PCPDTDTPT and PCDTPT were estimated to be (-5.54, -3.63) and (5.81, 3.65) eV, respectively. The PCDTPT with carbazole moiety shows lower HOMO levels as compared to PCPDTDTPT caused by strong electron donating ability of nitrogen atom to provide higher V oc. The devices with PCPDTDTPT: PC 71BM with TiO x layer showed a V OC of 0.77 V, a J SC of 4.71 mA/cm 2, and a FF of 0.36, giving a power conversion efficiency of 1.24%. Crown

KW - Phenanthrothiadiazole

KW - Photovoltaic cells

KW - Polymer

KW - Synthesis

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U2 - 10.1016/j.synthmet.2012.08.009

DO - 10.1016/j.synthmet.2012.08.009

M3 - Article

AN - SCOPUS:84870387827

SN - 0379-6779

VL - 162

SP - 1936

EP - 1943

JO - Synthetic Metals

JF - Synthetic Metals

IS - 21-22

ER -

Synthesis and characterization of phenathrothiadiazole-based conjugated polymer for photovoltaic device

Abstract

Bibliographical note

Keywords

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