Open AccessStability improving effect of silver diamminohydroxide precursor in green hydrothermal synthesis of silver nanoparticle colloids
Author(s) -
Wang Cheng,
Zhang Wei,
Li Wenbin,
Liu Ruping,
Liu Guohua
Publication year - 2014
Publication title -
micro and nano letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.25
H-Index - 31
ISSN - 1750-0443
DOI - 10.1049/mnl.2014.0004
Subject(s) - silver nanoparticle , silver nitrate , hydrothermal circulation , pulmonary surfactant , chemical engineering , reducer , colloid , materials science , nanoparticle , nanotechnology , hydrothermal synthesis , chemistry , engineering , civil engineering
The results of this reported work indicate that the precursor plays a significant role as well as surfactant in the hydrothermal synthesis of high‐quality silver nanoparticles (AgNPs). To address the existent stability difficulties in the long‐term storage and application conditions of AgNP hydrocolloids, silver diamminohydroxide ([Ag(NH 3 ) 2 ]OH) is attempted as the silver precursor instead of conventional silver nitrate (AgNO 3 ), which has been widely utilised. A simple green synthesis approach of size controllable quasi‐spherical AgNP hydrocolloid using glucose reducer and dextran surfactant is experimentally adopted as a demonstration. Experimental results show that under the same synthesis conditions, [Ag(NH 3 ) 2 ]OH precursor‐based AgNP hydrocolloid products perform with much higher stability than AgNO 3 based products. Also, the monodispersity of products is considerably improved.