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Precursor Effects of Citric Acid and Citrates on ZnO Crystal Formation SCIE SCOPUS

Title
Precursor Effects of Citric Acid and Citrates on ZnO Crystal Formation
Authors
Cho, SJang, JWJung, SHLee, BROh, ELee, KH
Date Issued
2009-03-17
Publisher
AMER CHEMICAL SOC
Abstract
We have studied the precursor effects of citric acid and various citrates-including triethyl citrate, tripotassium citrate, trisodium citrate and triammonium citrate-on the formation of ZnO crystals in alkaline solution. These citrate-related chemicals could be divided into three groups (group A, triethyl citrate; group B, tripotassium citrate and trisodium citrate; and group C, citric acid and triammonium citrate) based on their activity for modifying the ZnO growth direction and solution pH dependency on their concentration. We could obtain ZnO structures with various distinct morphologies by simply changing the concentration of citric acid or citrate additive dissolved in the alkaline reaction solution. On the basis of the results, we propose the growth mechanisms underlying the formation of the various ZnO structures in the absence and presence of citric acid or citrate additives.
Keywords
FIELD-EFFECT TRANSISTORS; ZINC-OXIDE; LOW-TEMPERATURE; ROOM-TEMPERATURE; AQUEOUS-SOLUTION; HYDROTHERMAL CONDITIONS; MICROWAVE IRRADIATION; NANOROD ARRAYS; AB-INITIO; GROWTH
URI
https://oasis.postech.ac.kr/handle/2014.oak/28844
DOI
10.1021/LA804009G
ISSN
0743-7463
Article Type
Article
Citation
LANGMUIR, vol. 25, no. 6, page. 3825 - 3831, 2009-03-17
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이건홍LEE, KUN HONG
Dept. of Chemical Enginrg
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