A Naphthodithiophene-Diketopyrrolopyrrole Donor Molecule for Efficient Solution-Processed Solar Cells

被引：475

作者：

Loser, Stephen ^{[1
,2
]}

Bruns, Carson J. ^{[1
]}

Miyauchi, Hiroyuki ^{[1
]}

Ortiz, Rocio Ponce ^{[1
]}

Facchetti, Antonio ^{[1
,2
,3
]}

Stupp, Samuel I. ^{[1
,2
,4
,5
,6
]}

Marks, Tobin J. ^{[1
,2
]}

机构：

[1] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA

[2] Northwestern Univ, Argonne NW Solar Energy Res ANSER Ctr, Evanston, IL 60208 USA

[3] Polyera Corp, Skokie, IL 60077 USA

[4] Northwestern Univ, Dept Mat Sci & Engn, Evanston, IL 60208 USA

[5] Northwestern Univ, Dept Med, Chicago, IL 60611 USA

[6] Northwestern Univ, Inst BioNanotechnol Med, Evanston, IL 60208 USA

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2011年 / 133卷 / 21期

关键词：

LOW-BANDGAP POLYMERS; MOBILITY; BENZOTHIADIAZOLE; OXIDE;

D O I：

10.1021/ja202791n

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We report the synthesis, characterization, and first implementation of a naphtho[2,3-b:6,7-b']dithiophene (NDT)-based donor molecule in highly efficient organic photovoltaics (OPVs). When NDT(TDPP)(2) (TDPP = thiophene-capped diketopyrrolopyrrole) is combined with the electron acceptor PC61BM, a power conversion efficiency (PCE) of 4.06 +/- 0.06% is achieved-a record for a PC61BM-based small-molecule OPV. The substantial PCE is attributed to the broad, high oscillator strength visible absorption, the ordered molecular packing, and an exceptional hole mobility of NDT(TDPP)(2).

引用

页码：8142 / 8145

页数：4

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