Hierarchic Nanostructuring by Self-Reduction of Silver (I) Oxide Complexesстатья

Информация о цитировании статьи получена из Scopus, Web of Science
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 26 сентября 2016 г.

Работа с статьей

[1] Hierarchic nanostructuring by self-reduction of silver (i) oxide complexes / A. A. Semenova, V. K. Ivanov, A. E. Baranchikov et al. // FUNCTIONAL MATERIALS LETTERS. — 2016. — Vol. 9, no. 1. — P. 1650014. Silver nanoparticles superficially decorated with hierarchically smaller nanoparticles are obtained for the first time in the course of ageing of silver globules in aerated aqueous ammonia. The process is caused at the beginning by gentle etching of metallic silver across extended defects and smoothing of their edges with oxygen dissolved in aqueous ammonia due to silver (I) stabilization within a soluble ammonia complex for a 1-2 day incubation period, then the complex accumulates as an intermediate product and gradually decays into nanosilver because of the ligand loss for the remaining 4 - 5 days. The as-formed metallic silver deposits onto larger silver particles heterogeneously decorating their surface; this broadens the initial plasmonic peak and causes a weak red shift because of nanostructuring. The latter makes a substantial contribution to the overall optical properties of the nanoparticles of a complex morphology and has to be considered as an important factor affecting optical characteristics of nanoparticle ensembles and their possible plasmonic applications. [ DOI ]

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