Highly Efficient Inverted D:A1:A2 Ternary Blend Organic Photovoltaics Combining a Ladder-type Non-Fullerene Acceptor and a Fullerene Acceptor

Shao Ling Chang; Fong Yi Cao; Wen Chia Huang; Po Kai Huang; Chain-Shu Hsu; Yen-Ju Cheng

doi:10.1021/acsami.7b06650

Highly Efficient Inverted D:A₁:A₂ Ternary Blend Organic Photovoltaics Combining a Ladder-type Non-Fullerene Acceptor and a Fullerene Acceptor

Shao Ling Chang, Fong Yi Cao, Wen Chia Huang, Po Kai Huang, Chain-Shu Hsu, Yen-Ju Cheng^*

^*此作品的通信作者

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摘要

A formylated benzodi(cyclopentadithiophene) (BDCPDT) ladder-type structure with forced coplanarity is coupled with two 1,1-dicyanomethylene-3-indanone (IC) moieties via olefination to form a non-fullerene acceptor, BDCPDT-IC. The BDCPDT-IC, as an acceptor (A₁) with broad light-absorbing ability and excellent solution processability, is combined with a second PC₇₁BM acceptor (A₂) and a medium band gap polymer, PBDB-T, as the donor (D) to form a ternary blend with gradient HOMO/LUMO energy alignments and panchromatic absorption. The device with the inverted architecture using the D:A₁:A₂ ternary blend has achieved a highest efficiency of 9.79% with a superior J_sc of 16.84 mA cm^-2.

原文	English
頁（從 - 到）	24797-24803
頁數	7
期刊	ACS Applied Materials and Interfaces
卷	9
發行號	29
DOIs	https://doi.org/10.1021/acsami.7b06650
出版狀態	Published - 26 7月 2017

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10.1021/acsami.7b06650

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title = "Highly Efficient Inverted D:A1:A2 Ternary Blend Organic Photovoltaics Combining a Ladder-type Non-Fullerene Acceptor and a Fullerene Acceptor",

abstract = "A formylated benzodi(cyclopentadithiophene) (BDCPDT) ladder-type structure with forced coplanarity is coupled with two 1,1-dicyanomethylene-3-indanone (IC) moieties via olefination to form a non-fullerene acceptor, BDCPDT-IC. The BDCPDT-IC, as an acceptor (A1) with broad light-absorbing ability and excellent solution processability, is combined with a second PC71BM acceptor (A2) and a medium band gap polymer, PBDB-T, as the donor (D) to form a ternary blend with gradient HOMO/LUMO energy alignments and panchromatic absorption. The device with the inverted architecture using the D:A1:A2 ternary blend has achieved a highest efficiency of 9.79% with a superior Jsc of 16.84 mA cm-2.",

keywords = "fullerene acceptor, ladder-type structure, non-fullerene acceptor, organic photovoltaics, ternary blend",

author = "Chang, {Shao Ling} and Cao, {Fong Yi} and Huang, {Wen Chia} and Huang, {Po Kai} and Chain-Shu Hsu and Yen-Ju Cheng",

year = "2017",

month = jul,

day = "26",

doi = "10.1021/acsami.7b06650",

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T1 - Highly Efficient Inverted D:A1:A2 Ternary Blend Organic Photovoltaics Combining a Ladder-type Non-Fullerene Acceptor and a Fullerene Acceptor

AU - Chang, Shao Ling

AU - Cao, Fong Yi

AU - Huang, Wen Chia

AU - Huang, Po Kai

AU - Hsu, Chain-Shu

AU - Cheng, Yen-Ju

PY - 2017/7/26

Y1 - 2017/7/26

N2 - A formylated benzodi(cyclopentadithiophene) (BDCPDT) ladder-type structure with forced coplanarity is coupled with two 1,1-dicyanomethylene-3-indanone (IC) moieties via olefination to form a non-fullerene acceptor, BDCPDT-IC. The BDCPDT-IC, as an acceptor (A1) with broad light-absorbing ability and excellent solution processability, is combined with a second PC71BM acceptor (A2) and a medium band gap polymer, PBDB-T, as the donor (D) to form a ternary blend with gradient HOMO/LUMO energy alignments and panchromatic absorption. The device with the inverted architecture using the D:A1:A2 ternary blend has achieved a highest efficiency of 9.79% with a superior Jsc of 16.84 mA cm-2.

AB - A formylated benzodi(cyclopentadithiophene) (BDCPDT) ladder-type structure with forced coplanarity is coupled with two 1,1-dicyanomethylene-3-indanone (IC) moieties via olefination to form a non-fullerene acceptor, BDCPDT-IC. The BDCPDT-IC, as an acceptor (A1) with broad light-absorbing ability and excellent solution processability, is combined with a second PC71BM acceptor (A2) and a medium band gap polymer, PBDB-T, as the donor (D) to form a ternary blend with gradient HOMO/LUMO energy alignments and panchromatic absorption. The device with the inverted architecture using the D:A1:A2 ternary blend has achieved a highest efficiency of 9.79% with a superior Jsc of 16.84 mA cm-2.

KW - fullerene acceptor

KW - ladder-type structure

KW - non-fullerene acceptor

KW - organic photovoltaics

KW - ternary blend

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U2 - 10.1021/acsami.7b06650

DO - 10.1021/acsami.7b06650

M3 - Article

C2 - 28660755

AN - SCOPUS:85026310847

SN - 1944-8244

VL - 9

SP - 24797

EP - 24803

JO - ACS Applied Materials and Interfaces

JF - ACS Applied Materials and Interfaces

IS - 29

ER -

Highly Efficient Inverted D:A1:A2 Ternary Blend Organic Photovoltaics Combining a Ladder-type Non-Fullerene Acceptor and a Fullerene Acceptor

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Highly Efficient Inverted D:A₁:A₂ Ternary Blend Organic Photovoltaics Combining a Ladder-type Non-Fullerene Acceptor and a Fullerene Acceptor