Journal
MACROMOLECULAR RAPID COMMUNICATIONS
Volume 31, Issue 24, Pages 2095-2108Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.201000310
Keywords
charge transport; electrochemistry; interfaces; nano-technology; photophysics
Categories
Funding
- Ministry of Education, Science and Technology (MEST) [2010-0015245, 2010-0016002, NRF-2009-C1AAA001-0092950, NRF-2009-C1AAA001-0093524, 2009-0083540]
- NRF of MEST [R32-2008-000-10142-0]
- National Research Foundation of Korea [2009-0093524, R32-2008-000-10142-0, 2009-0075025, 2009-0093250] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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This review discusses interfacial layers in organic photovoltaic devices. The first part of the review focuses on the hole extraction layer, which is located between a positive electrode and an organic photoactive material. Strategies to improve hole extraction from the photoactive layer include incorporation of several different types of hole extraction layers, such as conductive polymeric materials, self-assembled molecules and metal oxides, as well as surface treatment of the positive electrodes and the conductive polymeric layers. In the second part, we review recent research on interlayers that are located between a negative electrode and a photoactive layer to efficiently extract electrons from the active layer. These materials include titanium oxides, metal fluorides and other organic layers.
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