A carbon–oxygen-bridged hexacyclic ladder-type building block for low-bandgap nonfullerene acceptors†,Materials Chemistry Frontiers

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A carbon–oxygen-bridged hexacyclic ladder-type building block for low-bandgap nonfullerene acceptors†
Materials Chemistry Frontiers ( IF 6.0 ) Pub Date : 2018-01-26 00:00:00 , DOI: 10.1039/c8qm00004b
Ting Li _{1,

2,

3,

4,

5} , Honghong Zhang _{5,

6,

7,

8,

9} , Zuo Xiao _{5,

6,

7,

8,

9} , Jeromy J. Rech _{10,

11,

12} , Helin Niu _{1,

2,

3,

4,

5} , Wei You _{10,

11,

12} , Liming Ding _{5,

6,

7,

8,

9}

Affiliation

A hexacyclic carbon–oxygen-bridged ladder-type unit, CO_i6, was developed. Three nonfullerene acceptors (CO_i6IC, CO_i6FIC and CO_i6DFIC) based on CO_i6 were prepared. They present low optical bandgaps of 1.31–1.37 eV and strong absorbance in the near-infrared region. A 9.12% power conversion efficiency was achieved from the solar cells based on CO_i6FIC and a wide-bandgap copolymer donor (FTAZ).

中文翻译：

低带隙非富勒烯受体的碳-氧桥联六环阶梯型构建基块†

开发了六环碳氧桥阶梯型单元CO _i 6。制备了基于CO _i 6的三个非富勒烯受体（CO _i 6IC，CO _i 6FIC和CO _i 6DFIC）。它们的光学带隙较低，为1.31-1.37 eV，在近红外区域具有很强的吸收率。基于CO _i 6FIC和宽带隙共聚物供体（FTAZ）的太阳能电池实现了9.12％的功率转换效率。

更新日期：2018-01-26

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