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PH–controlled growth of triangular silver nanoprism at a large scale

Abstract

A simple, mild, and reproducible one–pot approach was developed to synthesize triangular silver nanoprisms (TSNPR) at a large scale. The TSNPR size was tailored from 30 to 100 nm by varying the dosage of sodium hydroxide pentanol solution in the water/polyvinylpyrrolidone/n–pentanol ternary system. The use of sodium hydroxide pentanol solution modified the initial pH of the water/polyvinylpyrrolidone/n–pentanol system, and made the synthesis of TSNPR highly reproducible and independent of the polyvinylpyrrolidone pH. N,N–dimethyl formamide and formamide were used to control the system pH and improved the resultant TSNPRs in both syntheses repeatably and with well defined shape. The extinction bands of the TSNPRs were relatively narrow, which makes them promising for chemical and biological applications.

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Publication details

The article was received on 08 Oct 2019, accepted on 04 Nov 2019 and first published on 06 Nov 2019


Article type: Paper
DOI: 10.1039/C9NA00635D
Nanoscale Adv., 2019, Accepted Manuscript
  • Open access: Creative Commons BY license
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    PH–controlled growth of triangular silver nanoprism at a large scale

    Z. Zhang, J. Yu, J. Zhang, Y. Lian, Z. Shi, Z. Cheng and M. Gu, Nanoscale Adv., 2019, Accepted Manuscript , DOI: 10.1039/C9NA00635D

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