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ABSTRACT
Through reducing action of diethylene triamine and the regulatory role of 1-hexadecylpyridinium bromide, uniform, mono-dispersed and stabilized silver nanoparticles were obtained by chemical reduction method in room temperature. The size of the obtained silver particles is about 60–90 nm. The reaction process of the formation of silver nanoparticle has a distinct color change, varying from colorless to pale yellow and finally brownish yellow. The as-prepared silver nanoparticles have showed a relatively good photocatalytic property on Congo red and Rhodamine B.
Funding
This work was financially supported by the National Natural Science Foundation of China (grant No. 21473153), the Natural Science Foundation of Hebei Province (grant No. B2013203108), the Science Foundation for the Excellent Youth Scholars from Universities and Colleges of Hebei Province (grant No. YQ2013026), the Support Program for the Top Young Talents of Hebei Province, the Scientific and Technological Research and Development Program of Qinhuangdao City (grant No. 201502A006) and the China Postdoctoral Science Foundation (grant No. 2015M580214).