Synthesis of TiO2 hollow spheres using binary ionic liquids as an electrocatalyst

Kiwon Hong; Kye Sang Yoo

doi:10.1007/s11164-011-0400-1

Synthesis of TiO₂ hollow spheres using binary ionic liquids as an electrocatalyst

Kiwon Hong, Kye Sang Yoo

Dept. of Chemical and Biomolecular Engineering

Seoul National University of Science and Technology (SNUST)

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

Titanium dioxide (TiO₂ titania) hollow sphere was simply synthesized using various ionic liquids (ILs). The shape and size of TiO ₂ particles were significantly different with the composition of ILs. This is mainly attributed to the interaction between organic solvent and IL at the interface leading to the formation of sphere. Among the binary ILs, [Bmim][BF₄] + [Omim][PF₆], [Bmim][BF₄] + [Omim][PF₆], and [Bmim][PF₆] + [Hmim][PF₆] were useful to prepare TiO₂ nanostructures with high surface area and anatase phase. Especially, [Bmim][BF₄] + [Omim][PF₆] was the most effective IL to synthesize an anatase TiO₂ hollow sphere.

Original language	English
Pages (from-to)	1325-1331
Number of pages	7
Journal	Research on Chemical Intermediates
Volume	37
Issue number	9
DOIs	https://doi.org/10.1007/s11164-011-0400-1
State	Published - Nov 2011

Keywords

Hollow sphere
Ionic liquid
Nanostructure
TiO

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10.1007/s11164-011-0400-1

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title = "Synthesis of TiO2 hollow spheres using binary ionic liquids as an electrocatalyst",

abstract = "Titanium dioxide (TiO2 titania) hollow sphere was simply synthesized using various ionic liquids (ILs). The shape and size of TiO 2 particles were significantly different with the composition of ILs. This is mainly attributed to the interaction between organic solvent and IL at the interface leading to the formation of sphere. Among the binary ILs, [Bmim][BF4] + [Omim][PF6], [Bmim][BF4] + [Omim][PF6], and [Bmim][PF6] + [Hmim][PF6] were useful to prepare TiO2 nanostructures with high surface area and anatase phase. Especially, [Bmim][BF4] + [Omim][PF6] was the most effective IL to synthesize an anatase TiO2 hollow sphere.",

keywords = "Hollow sphere, Ionic liquid, Nanostructure, TiO",

author = "Kiwon Hong and Yoo, \{Kye Sang\}",

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AU - Hong, Kiwon

AU - Yoo, Kye Sang

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AB - Titanium dioxide (TiO2 titania) hollow sphere was simply synthesized using various ionic liquids (ILs). The shape and size of TiO 2 particles were significantly different with the composition of ILs. This is mainly attributed to the interaction between organic solvent and IL at the interface leading to the formation of sphere. Among the binary ILs, [Bmim][BF4] + [Omim][PF6], [Bmim][BF4] + [Omim][PF6], and [Bmim][PF6] + [Hmim][PF6] were useful to prepare TiO2 nanostructures with high surface area and anatase phase. Especially, [Bmim][BF4] + [Omim][PF6] was the most effective IL to synthesize an anatase TiO2 hollow sphere.

KW - Hollow sphere

KW - Ionic liquid

KW - Nanostructure

KW - TiO

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Synthesis of TiO₂ hollow spheres using binary ionic liquids as an electrocatalyst

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