A planar organic near infrared light detector based on bulk heterojunction of a heteroquaterphenoquinone and poly[2-methoxy-5-,2′-ethyl-hexyloxy)-1, 4-phenylene vinylene

被引：28

作者：

Agostinelli, T. ^{[1
]}

Caironi, M. ^{[1
]}

Natali, D. ^{[1
]}

Sampietro, M. ^{[1
]}

Dassa, G. ^{[2
,3
]}

Canesi, E. V. ^{[2
,3
]}

Bertarelli, C. ^{[2
,3
]}

Zerbi, G. ^{[2
,3
]}

Cabanillas-Gonzalez, J. ^{[4
]}

De Silvestri, S. ^{[4
]}

Lanzani, G. ^{[4
]}

机构：

[1] Politecn Milan, Dipartimento Elettr & Informaz, Unita IIT, I-20133 Milan, Italy

[2] Politecn Milan, Dipartimento Chim Mat & Ingn Chim G Natta, I-20133 Milan, Italy

[3] INSTM Italian Interuniv Consortium Mat Sci & Tech, I-50121 Florence, Italy

[4] Politecn Milan, Dipartimento Fis, ULTRAS, INFM CNR, I-20133 Milan, Italy

来源：

JOURNAL OF APPLIED PHYSICS | 2008年 / 104卷 / 11期

关键词：

D O I：

10.1063/1.3033376

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Planar organic detectors for the near infrared region of the light spectrum have been realized, processing from solution the quinoid molecule 5,5'-bis(3,5-di-tert-butyl-4-oxo-2,5-cyclohexadiene-1-ylidene )-5,5'-dihydro-2,2'-bithiophene (QBT), which shows a peculiar absorption at 680 nm. Sensitization of the active material was obtained by creating a bulk donor-acceptor interface with poly[2-methoxy-5-(2'-ethyl-hexyloxy)-1,4-phenylene vinylene], which acts as hole acceptor. Photoexcitation and relaxation dynamics in pristine materials and bulk heterojunction have been investigated by means of pump-probe measurements, revealing charge transfer from QBT to polymer and efficient energy transfer the other way round. (C) 2008 American Institute of Physics. [DOI: 10.1063/1.3033376]

引用

页数：5

共 46 条

[41]

Yu G, 1998, ADV MATER, V10, P1431, DOI 10.1002/(SICI)1521-4095(199812)10:17<1431::AID-ADMA1431>3.0.CO

[42]

2-4

[43] POLYMER PHOTOVOLTAIC CELLS - ENHANCED EFFICIENCIES VIA A NETWORK OF INTERNAL DONOR-ACCEPTOR HETEROJUNCTIONS [J].

YU, G ;

GAO, J ;

HUMMELEN, JC ;

WUDL, F ;

HEEGER, AJ .

SCIENCE, 1995, 270 (5243) :1789-1791

[44] SEMICONDUCTING POLYMER DIODES - LARGE-SIZE, LOW-COST PHOTODETECTORS WITH EXCELLENT VISIBLE-ULTRAVIOLET SENSITIVITY [J].

YU, G ;

PAKBAZ, K ;

HEEGER, AJ .

APPLIED PHYSICS LETTERS, 1994, 64 (25) :3422-3424

[45] Low-bandgap alternating fluorene copolymer/methanofullerene heterojunctions in efficient near-infrared polymer solar cells [J].

Zhang, Fengling ;

Mammo, Wendimagegn ;

Andersson, Lars M. ;

Admassie, Shimelis ;

Andersson, Mats R. ;

Inganas, Lars ;

Admassie, Shimelis ;

Andersson, Mats R. ;

Inganas, Olle .

ADVANCED MATERIALS, 2006, 18 (16) :2169-+

[46] Polymer solar cells based on MEH-PPV and PCBM [J].

Zhang, FL ;

Johansson, M ;

Andersson, MR ;

Hummelen, JC ;

Inganäs, O .

SYNTHETIC METALS, 2003, 137 (1-3) :1401-1402

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