Influence of silver precursors on growth of metallic nanoparticles in heavy metal oxide glasses

Quimica nova

Montesso, Murilo¹  Nalin, Marcelo¹  Valle, Paula S.¹  Donoso, José Pedro²  Silva, Igor D. A.²  Magon, Claudio J.² 

[1] Universidade Federal de São Carlos, São Carlos, Brasil;Universidade de São Paulo, São Carlos, Brasil

关键词: glasses;    glass-ceramics;    nanoparticles.;   

DOI  :  10.1590/S0100-40422013000700008

学科分类：化学（综合）

来源: Sociedade Brasileira de Quimica

【 摘 要 】

In this work wereport a systematic study on the influence of the chemical nature of silverprecursors on the formation of glass-ceramics from oxide glasses. Thermal, structuraland optical properties were analyzed as a function of the glass composition.Controlled crystallization was achieved by thermal treatment of the samplesabove glass transition. The influence of time of treatment on both nanoparticlegrowth and optical properties of the samples was studied by transmission electronmicroscopy and UV-Vis spectroscopy, respectively. Results showed that only glassescontaining AgCl and AgNO3 led to glass-ceramics growth after thermaltreatment.

【 授权许可】

CC BY