An Alternative Strategy to Adjust the Recombination Mechanism of Organic Photovoltaics by Implementing Ternary Compounds

被引：55

作者：

Gasparini, Nicola ^{[1
]}

Salvador, Michael ^{[1
,2
]}

Fladischer, Stefanie ^{[1
,3
]}

Katsouras, Athanasios ^{[4
]}

Avgeropoulos, Apostolos ^{[4
]}

Spiecker, Erdmann ^{[3
]}

Chochos, Christos L. ^{[4
]}

Brabec, Christoph J. ^{[1
,5
]}

Ameri, Tayebeh ^{[1
]}

机构：

[1] Univ Erlangen Nurnberg, Inst Mat Elect & Energy Technol I MEET, Martensstr 7, D-91058 Erlangen, Germany

[2] Inst Super Tecn, Inst Telecomunicacoes, P-1049001 Lisbon, Portugal

[3] Univ Erlangen Nurnberg, CENEM, D-91058 Erlangen, Germany

[4] Univ Ioannina, Dept Mat Sci Engn, GR-45110 Ioannina, Greece

[5] Bavarian Ctr Appl Energy Res ZAE Bayern, D-91058 Erlangen, Germany

来源：

ADVANCED ENERGY MATERIALS | 2015年 / 5卷 / 24期

关键词：

IR sensitization; low light intensity; organic solar cells; recombination; ternary blends; POLYMER SOLAR-CELLS; OPEN-CIRCUIT VOLTAGE; CHARGE-TRANSPORT; BLEND; METHANOFULLERENE; MORPHOLOGY; FULLERENE; LOSSES; FILMS;

D O I：

10.1002/aenm.201501527

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Trap-assisted recombination is one of the main loss mechanisms in bulk-heterojunction (BHJ) solar cells. Results suggest that introducing a near infrared (NIR) polymer into the 2,3-bis(3-(octyloxy)phenyl)quinoxaline (PIDTTQ):[6,6]-phenyl C70 butyric acid methyl ester (PC70BM) host system suppresses trap-assisted recombination in the binary blend, leading to a significant improvement of ≈60% in power conversion efficiency for ternary organic solar cells at low light intensity. © 2015 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页数：7

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