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Top-down fabrication of α-Fe2O3 single-crystal nanodiscs and microparticles with tunable porosity for largely improved lithium storage properties

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Top-down fabrication of α-Fe2O3 single-crystal nanodiscs and microparticles with tunable porosity for largely improved lithium storage properties

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Title: Top-down fabrication of α-Fe2O3 single-crystal nanodiscs and microparticles with tunable porosity for largely improved lithium storage properties
Author: Chen, Jun Song; Zhu, Ting; Yang, Xiao Hua; Yang, Hua Gui; Lou, David Xiong Wen
Copyright year: 2010
Abstract: In this work, we report a facile top-down approach to fabricate uniform single-crystal α-Fe2O3 nanodiscs via selective oxalic acid etching. Phosphate ions are employed as a capping agent to control the etching to along the [001] direction. We also show that α-Fe2O3 melon-like microparticles with contrasting textural properties can be generated using the same approach. The etched particles exhibit a much larger total pore volume and average pore size compared to the pristine ones, thus serving as the possible origin for their greatly enhanced capacity retention when tested as potential anode materials for lithium-ion batteries.
Subject: DRNTU::Engineering::Chemical engineering::Biochemical engineering
Type: Journal Article
Series/ Journal Title: Journal of the American chemical society
School: School of Chemical and Biomedical Engineering
Rights: © 2010 American Chemical Society.

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