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|a 10.1021/acs.chemmater.3c01628
|2 doi
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|a pubmed24n1217.xml
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
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|a Willis, Joe
|e verfasserin
|4 aut
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|a Limits to Hole Mobility and Doping in Copper Iodide
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|c 2023
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|a Text
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 01.12.2023
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|a published: Electronic-eCollection
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 The Authors. Published by American Chemical Society.
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|a Over one hundred years have passed since the discovery of the p-type transparent conducting material copper iodide, predating the concept of the "electron-hole" itself. Supercentenarian status notwithstanding, little is understood about the charge transport mechanisms in CuI. Herein, a variety of modeling techniques are used to investigate the charge transport properties of CuI, and limitations to the hole mobility over experimentally achievable carrier concentrations are discussed. Poor dielectric response is responsible for extensive scattering from ionized impurities at degenerately doped carrier concentrations, while phonon scattering is found to dominate at lower carrier concentrations. A phonon-limited hole mobility of 162 cm2 V-1 s-1 is predicted at room temperature. The simulated charge transport properties for CuI are compared to existing experimental data, and the implications for future device performance are discussed. In addition to charge transport calculations, the defect chemistry of CuI is investigated with hybrid functionals, revealing that reasonably localized holes from the copper vacancy are the predominant source of charge carriers. The chalcogens S and Se are investigated as extrinsic dopants, where it is found that despite relatively low defect formation energies, they are unlikely to act as efficient electron acceptors due to the strong localization of holes and subsequent deep transition levels
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|a Journal Article
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1 |
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|a Claes, Romain
|e verfasserin
|4 aut
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| 700 |
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|a Zhou, Qi
|e verfasserin
|4 aut
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| 700 |
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|a Giantomassi, Matteo
|e verfasserin
|4 aut
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| 700 |
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|a Rignanese, Gian-Marco
|e verfasserin
|4 aut
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| 700 |
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|a Hautier, Geoffroy
|e verfasserin
|4 aut
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| 700 |
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|a Scanlon, David O
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Chemistry of materials : a publication of the American Chemical Society
|d 1998
|g 35(2023), 21 vom: 14. Nov., Seite 8995-9006
|w (DE-627)NLM098194763
|x 0897-4756
|7 nnns
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| 773 |
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|g volume:35
|g year:2023
|g number:21
|g day:14
|g month:11
|g pages:8995-9006
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|u http://dx.doi.org/10.1021/acs.chemmater.3c01628
|3 Volltext
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