Donor – acceptor and donor – donor alternating conjugated polymers based on dithieno[3,2-b:2',3'-d]pyrrole: synthesis, optical properties and organic solar cells applications

Le, Duong Thanh; Truong, Nhung Thanh Thi; Luu, Tam Hoang; Nguyen, Le‐Thu T.; Hoang, Mai Ha; Huynh, Ha Phuong Ky; Cu, Son Thanh; Nguyen, Quoc-Thiet; Nguyên, Hà Trần

doi:10.1007/s10965-022-02969-9

J Polym Res

2022

DOI: 10.1007/s10965-022-02969-9

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Donor – acceptor and donor – donor alternating conjugated polymers based on dithieno[3,2-b:2',3'-d]pyrrole: synthesis, optical properties and organic solar cells applications

Duong Thanh Le

Nhung Thanh Thi Truong

Tam Hoang Luu

et al.

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Cited by 7 publications

References 33 publications

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Design, Synthesis, and Theoretical Studies on the Benzoxadiazole and Thienopyrrole Containing Conjugated Random Copolymers for Organic Solar Cell Applications

Karakurt,

Oral,

Hacioglu

et al. 2024

Macromol. Rapid Commun.

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In this study, six different donor‐π‐acceptor1‐π‐donor‐acceptor2 type random co‐polymers containing benzodithiophene as a donor, benzooxadiazole (BO), and thieno[3,4‐c]pyrrole‐4,6‐dione (TPD) as acceptor, have been synthesized and characterized. In addition to the acceptor core ratio at different values, the effect of aromatic bridge structures on the optical, electronic, and photovoltaic properties of six different random co‐polymers is investigated by using thiophene and selenophene structures as aromatic bridge units. To investigate how the acceptor unit ratio and replacement of aromatic bridge units impact the structural, electronic, and optical properties of the polymers, density functional theory (DFT) calculations are carried out for the tetramer models. The open‐circuit voltage (VOC), which is strongly correlated with the HOMO levels of the donor material, is enhanced with the increasing ratio of the TPD moiety. On the other hand, the short‐circuit current (JSC), which is associated with the absorption ability of the donor material, is improved by the increasing ratio of BO moiety with the π‐bridges. BO moiety dominant selenophene π‐bridged co‐polymer (P4) showed the best performance with a power conversion efficiency (PCE) of 6.26%, a JSC of 11.44 mA cm2, a VOC of 0.80 V, and a fill factor (FF) of 68.81%.

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Design, Synthesis, and Theoretical Studies on the Benzoxadiazole and Thienopyrrole Containing Conjugated Random Copolymers for Organic Solar Cell Applications

Karakurt,

Oral,

Hacioglu

et al. 2024

Macromol. Rapid Commun.

View full text Add to dashboard Cite

show abstract

Synthesis of bis(thiophen-2-yl)benzothiadiazole scaffold donor-acceptor polymers: studies of polymerization, electrical, optical, and photovoltaic properties

2022

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Enhancing photovoltaic materials: DFT insights into structural modification of benzo [1, 2-b: 4, 5-b1]dithiophene unit (BDT)-based molecule

Doust Mohammadi,

Abbas,

Louis

et al. 2024

Computational and Theoretical Chemistry

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Donor – acceptor and donor – donor alternating conjugated polymers based on dithieno[3,2-b:2',3'-d]pyrrole: synthesis, optical properties and organic solar cells applications

Cited by 7 publications

References 33 publications

Design, Synthesis, and Theoretical Studies on the Benzoxadiazole and Thienopyrrole Containing Conjugated Random Copolymers for Organic Solar Cell Applications

Design, Synthesis, and Theoretical Studies on the Benzoxadiazole and Thienopyrrole Containing Conjugated Random Copolymers for Organic Solar Cell Applications

Synthesis of bis(thiophen-2-yl)benzothiadiazole scaffold donor-acceptor polymers: studies of polymerization, electrical, optical, and photovoltaic properties

Enhancing photovoltaic materials: DFT insights into structural modification of benzo [1, 2-b: 4, 5-b1]dithiophene unit (BDT)-based molecule

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