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Preparation of Cuprous Oxide Particles of Different Crystallinity by Yajie Dong; Yadong Li; Cheng Wang; Aili Cui; Zhaoxiang Deng is a Chemistry article available to read on EtoBox.

What is Preparation of Cuprous Oxide Particles of Different Crystallinity about?

Both the cubic single crystals and the spherical polycrystals of cuprous oxides (Cu 2 O) were prepared by the reduction of aqueous CuSO 4 , with hydrazine as a reductant in the presence of different organic molecule additives, such as hexadecyltrimethyl ammonium bromide (CTAB), glucose (C 6 H 12 O 6 ), ethylene glycol (C 2 H 6 O 2 ), and glycerol (C 3 H 8 O 3 ), at room temperature. It was found that the organic additives added had an important influence on the formation mechanism of the Cu 2 O particles and could lead to different microstructures of the resultant Cu 2 O crystallites. The addition of CTAB to the reaction solution could induce the formation of cubic Cu 2 O single crystals, while glucose resulted in the formation of spherical polycrystals. All the samples were characterized by X-ray powder diffraction and transmission electron microscope (TEM). TEM observations indicated that the nanosized primary particles formed immediately after the reactants were mixed, followed by the competition between diffusion of the reactive constituents and aggregation of the nanosized primary particles. In the presence of CTAB, the diffusion of the reactants was a major factor contributin

Who reads Preparation of Cuprous Oxide Particles of Different Crystallinity?

Author

Yajie Dong; Yadong Li; Cheng Wang; Aili Cui; Zhaoxiang Deng

Publisher

Elsevier Science; Elsevier ; Elsevier Inc.; Elsevier BV (ISSN 0021-9797)

Published

2001

Language

EN

Field

Chemistry (Physical Sciences)