Dramatic band gap reduction incurred by dopant coordination rearrangement in Co-doped nanocrystals of CeO2

Abstract A dramatic band gap narrowing of 1.61 eV has been observed in Co-doped nanocrystals of CeO2 (ceria), as a result of thermal annealing, without changing the ceria crystal structure and the Co concentration. As demonstrated by x-ray absorption fine structures, thermal annealing incurs an oxyg...

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Autores principales: T. S. Wu, Y. W. Chen, S. C. Weng, C. N. Lin, C. H. Lai, Y. J. Huang, H. T. Jeng, S. L. Chang, Y. L. Soo
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2017
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Acceso en línea:https://doaj.org/article/f78f5ddef62e4e64a66f778b3efa9c62
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