噻吩端封中心扩展受体使有机太阳能电池的效率超过19.3%†

IF 5.1 2区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Journal of Materials Chemistry C Pub Date : 2025-03-27 DOI:10.1039/D5TC01014D

Kaihuai Tu, Xue Jiang, Gengsui Tian, Lei Liu, Yao Chen, Peihao Huang, Chen Chen, Hong liang Lei, Tainan Duan and Zeyun Xiao

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引用次数: 0

摘要

合成了一种具有氯噻吩基末端基团和中心延伸核的新型小分子受体CH-TCl，并将其集成到三元有机太阳能电池中。该器件的功率转换效率为19.38%，超过了二进制器件18.67%的功率转换效率。CH-TCl作为第三个元件的加入增强了电荷转移，提高了开路电压（VOC），并改善了整体器件性能。本研究提供了通过引入高VOC受体来优化三元osc的有效策略。

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A thiophene end-capped centrally extended acceptor enables organic solar cells with efficiency over 19.3%†

A new small molecule acceptor, CH-TCl, featuring chlorothiophene-based terminal groups and a centrally extended core was synthesized and integrated into ternary organic solar cells. The resulting devices achieved a power conversion efficiency of 19.38%, surpassing the 18.67% of their binary counterparts. The incorporation of CH-TCl as a third component enhanced charge transfer, boosted the open-circuit voltage (V_OC), and improved the overall device performance. This study provides an effective strategy for optimizing ternary OSCs by introducing high V_OC acceptors.

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来源期刊

Journal of Materials Chemistry C MATERIALS SCIENCE, MULTIDISCIPLINARY-PHYSICS, APPLIED

CiteScore

10.80

自引率

6.20%

发文量

1468

期刊介绍： The Journal of Materials Chemistry is divided into three distinct sections, A, B, and C, each catering to specific applications of the materials under study: Journal of Materials Chemistry A focuses primarily on materials intended for applications in energy and sustainability. Journal of Materials Chemistry B specializes in materials designed for applications in biology and medicine. Journal of Materials Chemistry C is dedicated to materials suitable for applications in optical, magnetic, and electronic devices. Example topic areas within the scope of Journal of Materials Chemistry C are listed below. This list is neither exhaustive nor exclusive. Bioelectronics Conductors Detectors Dielectrics Displays Ferroelectrics Lasers LEDs Lighting Liquid crystals Memory Metamaterials Multiferroics Photonics Photovoltaics Semiconductors Sensors Single molecule conductors Spintronics Superconductors Thermoelectrics Topological insulators Transistors