Exsolution trends and co-segregation aspects of self-grown catalyst nanoparticles in perovskites

Exsolution of transition metals from perovskites provides an effective route to useful catalysts, but the underlying factors governing exsolution remain poorly understood. Here, the authors find trends in exsolution in layered perovskites, showing that co-segregation of B-site dopant and oxygen vaca...

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Autores principales: Ohhun Kwon, Sivaprakash Sengodan, Kyeounghak Kim, Gihyeon Kim, Hu Young Jeong, Jeeyoung Shin, Young-Wan Ju, Jeong Woo Han, Guntae Kim
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2017
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Acceso en línea:https://doaj.org/article/2b5f3708966846faa5e71fea5c7d4376
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Sumario:Exsolution of transition metals from perovskites provides an effective route to useful catalysts, but the underlying factors governing exsolution remain poorly understood. Here, the authors find trends in exsolution in layered perovskites, showing that co-segregation of B-site dopant and oxygen vacancies plays a central role.