Unusual silver nanostructures prepared by Aerosol Spray Pyrolysisстатья
Статья опубликована в высокорейтинговом журнале
Информация о цитировании статьи получена из
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Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 9 ноября 2013 г.
Аннотация:We report a new simple synthetic approach to chemically pure silver nanoparticles with a complex morphology using ultrasonic aerosol spray pyrolysis of aqueous diaminsilver hydroxide. The resulting morphology of nanostructured materials is dependent on hot and condensation zone temperatures and includes porous spheroids, cuboids and more complex overgrowth structures. The growth features seem to be connected with fast decomposition of diaminsilver hydroxide in mist droplets via Ag2O and its further thermal decomposition assisted by reduction with ammonia to pure silver. The aqueous diaminsilver hydroxide, compared to other salts and complexes, gives a large benefit owing to simplicity, promptness and low temperature conditions of the production process, typically lower than 250C. The latter allows, in particular, to obtain new types of nanoparticle morphologies suitable for SERS measurements.