Pump-Probe Spectroscopy in Organic Semiconductors: Monitoring Fundamental Processes of Relevance in Optoelectronics

被引:127
作者
Cabanillas-Gonzalez, Juan [1 ]
Grancini, Giulia [2 ]
Lanzani, Guglielmo [3 ]
机构
[1] Inst Madrileno Estudios Avanzados Nanociencia IME, Madrid 28049, Spain
[2] Politecn Milan, Dipartimento Fis, IFN CNR, I-20133 Milan, Italy
[3] Ctr NanoSci & Technol CNST IIT POLIMI, I-20133 Milan, Italy
关键词
ultrafast spectroscopy; conjugated polymers; stimulated emission; charge photogeneration; transient absorption; imaging; PHOTOINDUCED CHARGE-TRANSFER; FIELD-INDUCED DISSOCIATION; EXCITON BINDING-ENERGY; CONJUGATED POLYMERS; FEMTOSECOND DYNAMICS; STIMULATED-EMISSION; OPTICAL GAIN; THIN-FILMS; ULTRAFAST; PHOTOGENERATION;
D O I
10.1002/adma.201102015
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
In this review we highlight the contribution of pump-probe spectroscopy to understand elementary processes taking place in organic based optoelectronic devices. The techniques described in this article span from conventional pump-probe spectroscopy to electromodulated pump-probe and the state-of-the-art confocal pump-probe microscopy. The article is structured according to three fundamental processes (optical gain, charge photogeneration and charge transport) and the contribution of these techniques on them. The combination of these tools opens up new perspectives for assessing the role of short-lived excited states on processes lying underneath organic device operation.
引用
收藏
页码:5468 / 5485
页数:18
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