A heptacyclic carbon–oxygen-bridged ladder-type building block for A–D–A acceptors†,Materials Chemistry Frontiers

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A heptacyclic carbon–oxygen-bridged ladder-type building block for A–D–A acceptors†
Materials Chemistry Frontiers ( IF 6.0 ) Pub Date : 2018-07-13 00:00:00 , DOI: 10.1039/c8qm00285a
Ke Jin _{1,

2,

3,

4,

5} , Chenyu Deng _{4,

5,

6,

7,

8} , Lei Zhang _{4,

5,

6,

7,

8} , Dan Li _{4,

5,

6,

7,

8} , Ting Li _{4,

5,

6,

7,

8} , Feng Wang _{1,

2,

3,

4} , Yongbo Yuan _{4,

9,

10,

11} , Zuo Xiao _{4,

5,

6,

7,

8} , Liming Ding _{4,

5,

6,

7,

8}

Affiliation

A heptacyclic carbon–oxygen-bridged ladder-type unit, CO_i7, was designed. Two corresponding nonfullerene acceptors, CO_i7IC and CO_i7DFIC, were developed. The single crystal structure of CO_i7IC indicates an S-shaped backbone and a packing via π–π interaction of the end groups. PTB7-Th:CO_i7DFIC solar cells gave a power conversion efficiency of 8.32%, with a decent fill factor of 71.9%.

中文翻译：

A–D–A受体的七环碳-氧桥联阶梯型构建基块†

设计了一个七环碳氧桥阶梯型单元CO _i 7。开发了两个相应的非富勒烯受体，CO _i 7IC和CO _i 7DFIC。CO _i 7IC的单晶结构通过端基的π-π相互作用指示出S形主链和堆积。PTB7-Th：CO _i 7DFIC太阳能电池的功率转换效率为8.32％，体面填充率为71.9％。

更新日期：2018-07-13

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