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000471803 005__ 20220427210522.0
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000471803 0247_ $$2datacite_doi$$a10.3204/PUBDB-2021-04647
000471803 037__ $$aPUBDB-2021-04647
000471803 041__ $$aEnglish
000471803 1001_ $$0P:(DE-HGF)0$$aKonrad, Ritter$$b0$$eCorresponding author$$gmale
000471803 245__ $$aLocal atomic structure of kesterite type materials$$f2016-03-01 - 2021-09-27
000471803 260__ $$aLeipzig$$c2021
000471803 300__ $$a131
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000471803 502__ $$aDissertation, University of Leipzig, 2021$$bDissertation$$cUniversity of Leipzig$$d2021
000471803 520__ $$aKesterite type materials are researched for their ability to form thin film solar cell absorbers from earth abundant and non-toxic elements. Main routes to increase their efficiencies to the level of competing materials include compositional variations such as deviations from stoichiometry and alloying. While the long range structural impacts of these methods are well known, similarities with chalcopyrites indicate that the local atomic structure will not change on the same order of magnitude. This thesis hence employs low temperature Extended X-ray Absorption Fine Structure spectroscopy (EXAFS) measurements on off-stoichiometric or alloyed powder samples and thin films, to reveal the small changes in local atomic environments. It is shown that kesterites tend to keep many aspects of their local atomic structure despite major compositional changes. Yet, both the impact of these small changes on band gap energy as well as further value of probing the local atomic structure of kesterite thin films are demonstrated.
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000471803 7001_ $$0P:(DE-H253)PIP1011763$$aSchnohr, Claudia$$b1$$eThesis advisor
000471803 7001_ $$0P:(DE-HGF)0$$aGrossberg, Maarja$$b2$$eThesis advisor
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