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Title:Characterisation of charge carrier transport in thin organic semiconductor T layers by time-of-flight photocurrent measurements
Authors:ID Bratina, Gvido (Author)
ID Pavlica, Egon (Author)
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Language:English
Work type:Not categorized
Typology:1.02 - Review Article
Organization:UNG - University of Nova Gorica
Abstract:The paper reviews recent advances in characterisation of charge carrier transport in organic semiconductor layers by time-of-flight photocurrent measurements, with the emphasis on the measurements of the samples with co-planar electrodes. These samples comprised an organic semiconductor layer whose thickness is on the order of a μm or less, and thus mimic the structures of organic thin film transistors. In the review we emphasise the importance of considering spatial variation of electric field in these, essentially two-dimensional structures, in interpretation of photocurrent transients. We review the experimental details of this type of measurements and give examples that demonstrate exceptional sensitivity of the method to minute concentration of electrically active defects in the organic semiconductors as well as the capability of probing charge transport along the channels of different mobility that reside in the same sample.
Keywords:organic semiconductors, time of flight, mobiulity
Year of publishing:2019
Number of pages:1176-130
Numbering:64
PID:20.500.12556/RUNG-4172-41d99678-3e43-4bf9-4ebe-fa18e490f57f New window
COBISS.SI-ID:5255163 New window
DOI:10.1016/j.orgel.2018.09.049 New window
NUK URN:URN:SI:UNG:REP:GTPN9N5O
Publication date in RUNG:24.10.2018
Views:5042
Downloads:0
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BRATINA, Gvido and PAVLICA, Egon, 2019, Characterisation of charge carrier transport in thin organic semiconductor T layers by time-of-flight photocurrent measurements. Organic Electronics [online]. 2019. Vol. 64, p. 1176–130. [Accessed 3 April 2025]. DOI 10.1016/j.orgel.2018.09.049. Retrieved from: https://repozitorij.ung.si/IzpisGradiva.php?lang=eng&id=4172
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Record is a part of a journal

Title:Organic Electronics
Publisher:Elsevier
Year of publishing:2019
ISSN:1566-1199

Document is financed by a project

Funder:ARRS - Slovenian Research Agency
Project number:P1-0055
Name:Raziskovalni program Biofizika polimerov, membran, gelov, koloidov in celic

Licences

License:CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:24.10.2018

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