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Direct measurement of exciton dissociation energy in polymers
- 1.0470765 - ÚMCH 2018 RIV US eng J - Journal Article
Toušek, J. - Toušková, J. - Chomutová, R. - Paruzel, Bartosz - Pfleger, Jiří
Direct measurement of exciton dissociation energy in polymers.
AIP Advances. Roč. 7, č. 1 (2017), s. 1-6, č. článku 015113. E-ISSN 2158-3226
Institutional support: RVO:61389013
Keywords : exciton dissociation energy * polymers * SCR
OECD category: Polymer science
Impact factor: 1.653, year: 2017
Exciton dissociation energy was obtained based on the comparison of thickness of the space charge region estimated from the measurement of capacitance of prepared Schottky diode and from the measurement of photovoltage spectra. While the capacitance measurements provide information about the total width of the space charge region (SCR) the surface photovoltaic effect brings information only about the part of the SCR where electric field is sufficiently high to cause dissociation. For determination of the dissociation energy it is sufficient to find the electric potential in the SCR where the process starts.
Permanent Link: http://hdl.handle.net/11104/0270639
Number of the records: 1