Using sodium tungstate and hydrochloric acid as raw materials,citric acid,tartaric acid,p-nitrobenzoic acid,p-aminobenzoic acid and urea as auxiliary reagents,nano-tungsten trioxides(WO3) with different morphologies were prepared by hydrothermal method at a certain temperature.The obtained product was charactered through X-ray diffraction(XRD),transmission electron microscopy(TEM) and scanning electron microscopy(SEM) analysis.The results showed that the use of different additives will produce nano-WO3 with different morphologies.The soluble organic acid acted as “soft template” in the thermal reactions was speculated,and the gas generated by urea under high pressure helped to enhance the dispersibility of the product,and obtained nano powder with uniform size.
Zhang Yucai, Niu Mingguang, Tursun Mamutjan, Abdukayum Abdukader
. Study on the formation mechanism of nano-WO3 with different morphology by hydrothermal synthesis[J]. New Chemical Materials, 2021
, 49(3)
: 152
-155
.
DOI: 10.19817/j.cnki.issn 1006-3536.2021.03.034
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