Optimization of high-yield biological synthesis of single-crystalline gold nanoplates

Article Abstract:

Single-crystalline gold nanoplates were obtained by reducing aqueous chloroauric acid solution with the extract of Sargassum sp. (brown seaweed) at temperature. The formation of gold nanoplates were found to depend on a number of environmental factors, such as the time taken to age the seaweed extract, pH of the reaction medium, reaction temperature, reaction time, and initial reactant concentrations.

Biosynthesis

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In situ synthesis and characterization of multiwalled carbon nanotube/Au nanoparticle composite materials

Article Abstract:

An effective and facile in situ reduction approach for the fabrication of carbon nanotube-supported Au nanoparticle (CNT/Au NP) composite nanomaterials is demonstrated. Linear polyethyleneimine (PEI) is ingeniously used as both a functionalizing agent for the multiwalled carbon nanotubes (MWNTs) and a reducing agent for the formation of Au NPs.

Nanoparticles

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High-temperature seedless synthesis of gold nanorods

Article Abstract:

The seedless synthesis of gold nanorods at high temperatures up to 97 degree Celsius is demonstrated by using the correct silver nitrate concentration. A decrease of nanorod length was observed with increase in temperature while the width stayed constant throughout the temperature range.

All Other Basic Inorganic Chemical Manufacturing, Industrial inorganic chemicals, not elsewhere classified, Silver Nitrate, Thermal properties

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