2015
DOI: 10.1039/c5qi00168d
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Crystal facet tailoring arts in perovskite oxides

Abstract: This review highlights various facet tailoring arts in perovskite structure oxides.

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Cited by 88 publications
(73 citation statements)
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“…The arrangement of the smaller core particles occurs due to the slow diffusion process of homogeneous nucleation via the effect of the surfactant. The CTAB surfactant molecules can attach onto specific crystal facets, which makes it possible to control the size and shape of the final crystal structure and prevent particle aggregation [39]. The CTAB coating was further confirmed by high-resolution TEM (HRTEM) imaging as observed in Figure 1b.…”
Section: Perovskite Reaction Mechanism and Morphological Analysismentioning
confidence: 73%
“…The arrangement of the smaller core particles occurs due to the slow diffusion process of homogeneous nucleation via the effect of the surfactant. The CTAB surfactant molecules can attach onto specific crystal facets, which makes it possible to control the size and shape of the final crystal structure and prevent particle aggregation [39]. The CTAB coating was further confirmed by high-resolution TEM (HRTEM) imaging as observed in Figure 1b.…”
Section: Perovskite Reaction Mechanism and Morphological Analysismentioning
confidence: 73%
“…Unfortunately, designing high crystallinity manganites with narrow size distribution is a strong challenge. These ionocovalent solids form only above~240°C, [17][18][19] contrary to ionic halide perovskites. [1][2][3] Organic solvents usually react with Mn 4 + species so that they are not suitable to reach mixed valence manganites.…”
Section: Introductionmentioning
confidence: 99%
“…A caracterização destes titanatos e informações sobre as propriedades intrínsecas irão definir as propriedades extrínsecas e, consequentemente, as aplicações destes materiais. [4][5][6][7][8][9][10][11][12] Existem diferentes métodos de síntese que utilizam diferentes precursores, resultando em diferentes tamanhos e morfologias nas partículas. Cada método de síntese apresenta sua sequência particular de reações e interações, o que, naturalmente, resulta em materiais com diferentes estruturas (mesmo que sejam mínimas diferenças) e, consequentemente, diferentes propriedades.…”
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“…Dentre os mais frequentes, podemos citar os seguintes métodos: o processo de reação de estado sólido, o mais comum de todos, precursores poliméricos, ou método Pechini, sol-gel, solvotermal, o método hidrotérmico e a hidrotermalização assistida por micro-ondas. [4][5][6][7][8][9][10][11][12][13] Com exceção dos dois últimos métodos, todos os outros possuem algumas boas características (como fácil reprodutibilidade), mas, a maioria apresenta problemas de contaminação e de controle de crescimento do material.…”
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