Synthesis of dithieno[3,2-b:2′,3′-d]benzo[1,2-c][1,2,5]thiadiazole-cored polymerized small-molecule acceptors with ordered backbone stacking and their application in all-polymer solar cells

Tiantian Wang; Jianhong Wei; Furong Shi; Hejie Wang; Jinye He; Xudong Lv; Yuan Zhou; Pengzhi Guo; Chenglong Wang; Yangjun Xia

doi:10.1039/d5nj02939b

January 1, 2025New Journal of Chemistry

Synthesis of dithieno[3,2-b:2′,3′-d]benzo[1,2-c][1,2,5]thiadiazole-cored polymerized small-molecule acceptors with ordered backbone stacking and their application in all-polymer solar cells

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Key Points

PDTBT-Br-T achieves a power conversion efficiency (PCE) of 4.44%, enhancing exciton dissociation and reducing recombination.
Compared to DTBT-IC, PDTBT-Br-T exhibits superior absorption, thermal stability, and molecular stacking.
The ordered backbone stacking of the synthesized polymer acceptor leads to improved performance in solar cell applications.
The innovation in polymer synthesis may provide advanced materials for more efficient all-polymer solar cells.

Implication

Synthesis of PDTBT-Br-T shows improved PCE and thermal stability in all-polymer solar cells, indicating better molecular stacking.

Abstract

A novel polymer acceptor, PDTBT-Br-T, was synthesized for all-polymer solar cells. It outperforms DTBT-IC in absorption, thermal stability, and molecular stacking, achieving a PCE of 4.44% via enhanced exciton dissociation and reduced recombination.

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Wang et al. (2025) studied this question.

synapsesocial.com/papers/68c18c019b7b07f3a06144d8 https://doi.org/10.1039/d5nj02939b

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Synthesis of dithieno[3,2-b:2′,3′-d]benzo[1,2-c][1,2,5]thiadiazole-cored polymerized small-molecule acceptors with ordered backbone stacking and their application in all-polymer solar cells

Key Points

Implication

Abstract

Discussion

Cite This Study

Synthesis of dithieno[3,2-b:2′,3′-d]benzo[1,2-c][1,2,5]thiadiazole-cored polymerized small-molecule acceptors with ordered backbone stacking and their application in all-polymer solar cells

Key Points

Implication

Abstract

Discussion

Cite This Study

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