About: Comparison of photocurrent spectra measured by FTPS and CPM for amorphous silicon layers and solar cells

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Fourier Transform Photocurrent Spectroscopy (FTPS) has been recently introduced as a fast and highly sensitive method for the evaluation of the optical absorption coefficient of photoconductive thin films such as microcrystalline silicon layers. This contribution represents the first study of FTPS utilization for amorphous silicon layers and cells. FTPS spectra are compared with results of Constant Photocurrent Method (CPM) and Dual Beam Photoconductivity (DBP) measured at different chopping frequencies. We will concentrate to highlight the appropriate measuring conditions and evaluation procedures for correct data interpretation. Moreover, we will present our novel approach for the interference free determination of absorption coefficients of thin films grown on transparent substrates, which is mainly important for very thin layers where broad interference fringes do not allow correct evaluation of parameters such as a slope of the Urbach tail and the defect density. Fourier Transform Photocurrent Spectroscopy (FTPS) has been recently introduced as a fast and highly sensitive method for the evaluation of the optical absorption coefficient of photoconductive thin films such as microcrystalline silicon layers. This contribution represents the first study of FTPS utilization for amorphous silicon layers and cells. FTPS spectra are compared with results of Constant Photocurrent Method (CPM) and Dual Beam Photoconductivity (DBP) measured at different chopping frequencies. We will concentrate to highlight the appropriate measuring conditions and evaluation procedures for correct data interpretation. Moreover, we will present our novel approach for the interference free determination of absorption coefficients of thin films grown on transparent substrates, which is mainly important for very thin layers where broad interference fringes do not allow correct evaluation of parameters such as a slope of the Urbach tail and the defect density. (en)
Title	Comparison of photocurrent spectra measured by FTPS and CPM for amorphous silicon layers and solar cells Comparison of photocurrent spectra measured by FTPS and CPM for amorphous silicon layers and solar cells (en)
skos:prefLabel	Comparison of photocurrent spectra measured by FTPS and CPM for amorphous silicon layers and solar cells Comparison of photocurrent spectra measured by FTPS and CPM for amorphous silicon layers and solar cells (en)
skos:notation	RIV/68378271:_____/08:00341939!RIV10-MZP-68378271
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(SN/3/172/05), Z(AV0Z10100521)
http://linked.open...iv/cisloPeriodika	19-25
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Remeš, Zdeněk Poruba, Aleš Holovský, Jakub Purkrt, Adam Vaněček, Milan
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Fyzikální ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	360636
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/08:00341939
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	silicon; solar cells; band structure; defects; optical properties; absorption; FTIR measurements; photoconductivity; medium-range order (en)
http://linked.open.../riv/klicoveSlovo	photoconductivity absorption band structure defects optical properties silicon solar cells medium-range order FTIR measurements
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[EDA626D2B444]
http://linked.open...i/riv/nazevZdroje	Journal of Non-Crystalline Solids
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	*Low-energy structure photovoltaic cells and PV systems elements
http://linked.open...UplatneniVysledku	2008
http://linked.open...v/svazekPeriodika	354
http://linked.open...iv/tvurceVysledku	Poruba, Aleš Remeš, Zdeněk Holovský, Jakub Vaněček, Milan Purkrt, Adam
http://linked.open...ain/vavai/riv/wos	000256500400023
http://linked.open...n/vavai/riv/zamer	Physics and technology of nanostructures, surfaces and thin films
issn	0022-3093
number of pages	4 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Comparison of photocurrent spectra measured by FTPS and CPM for amorphous silicon layers and solar cells Comparison of photocurrent spectra measured by FTPS and CPM for amorphous silicon layers and solar cells Comparison of photocurrent spectra measured by FTPS and CPM for amorphous silicon layers and solar cells Comparison of photocurrent spectra measured by FTPS and CPM for amorphous silicon layers and solar cells

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