Journal
JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
Volume 49, Issue 2, Pages 186-190Publisher
SOC CHEMICAL ENG JAPAN
DOI: 10.1252/jcej.15we065
Keywords
Precipitation; Nanoparticles; Polyelectrolyte
Categories
Funding
- Global COE program Center for Practical Chemical Wisdom by Ministry of Education, Culture, Sports and Technology of Japan (MEXT)
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Gold nanoparticles were precipitated on the surface of silica gel without mechanical mixing. Polyethylenimine (PEI) which was coated on the surface of silica gel reduced raw materials of hydrogen tetrachloroaurate (III) tetrahydrate (HAuCl4 center dot 4H(2)O). Formation of gold nanoparticles on silica gel was confirmed by using Field Emission Scanning Electron Microscope (FE-SEM) and Energy Dispersive X-ray Fluorescence Spectrometer (EDX). In this study, particles size distribution and coverage ratio of gold on silica gel were investigated.
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