Preparation of Gold Nanoplates Using Ortho Carbonyl Compounds as Capping Agents for Electrochemical Sensing of Lead Ions

In this study, gold nanoplates were synthesized using plant molecules (gallic acid) following a kinetic control mode. The growth of nanoplates is mainly due to the specific adsorption of capping agents on certain crystal facets. Through systematical characterizations, it is found that the distance b...

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Autores principales: Jiang, Xinde, Ma, Jianye, Jiang, Guixian, Xu, Manqing, Huang, Xueping, Gao, Guiqing, Dai, Xin
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Springer US 2021
Materias:
Nano Express
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8026806/
https://www.ncbi.nlm.nih.gov/pubmed/33829314
http://dx.doi.org/10.1186/s11671-021-03521-2
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author Jiang, Xinde
Ma, Jianye
Jiang, Guixian
Xu, Manqing
Huang, Xueping
Gao, Guiqing
Dai, Xin
author_facet Jiang, Xinde
Ma, Jianye
Jiang, Guixian
Xu, Manqing
Huang, Xueping
Gao, Guiqing
Dai, Xin
author_sort Jiang, Xinde
collection PubMed
description In this study, gold nanoplates were synthesized using plant molecules (gallic acid) following a kinetic control mode. The growth of nanoplates is mainly due to the specific adsorption of capping agents on certain crystal facets. Through systematical characterizations, it is found that the distance between two oxygen atoms in ortho carbonyl compounds matches well with the lattice spacing of gold (111) facets exactly, which is beneficial to the formation of twin seeds and further the growth of plate-like gold nanoparticles. The gold nanoplates on glassy carbon electrode show a remarkably improved electrochemical sensing activity of lead ions compared to the bare glassy carbon electrode or spherical gold nanoparticle-modified electrode. The modified electrode is expected to be used in the detection of lead ion concentration in heavy metal wastewater.
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spelling pubmed-80268062021-04-27 Preparation of Gold Nanoplates Using Ortho Carbonyl Compounds as Capping Agents for Electrochemical Sensing of Lead Ions Jiang, Xinde Ma, Jianye Jiang, Guixian Xu, Manqing Huang, Xueping Gao, Guiqing Dai, Xin Nanoscale Res Lett Nano Express In this study, gold nanoplates were synthesized using plant molecules (gallic acid) following a kinetic control mode. The growth of nanoplates is mainly due to the specific adsorption of capping agents on certain crystal facets. Through systematical characterizations, it is found that the distance between two oxygen atoms in ortho carbonyl compounds matches well with the lattice spacing of gold (111) facets exactly, which is beneficial to the formation of twin seeds and further the growth of plate-like gold nanoparticles. The gold nanoplates on glassy carbon electrode show a remarkably improved electrochemical sensing activity of lead ions compared to the bare glassy carbon electrode or spherical gold nanoparticle-modified electrode. The modified electrode is expected to be used in the detection of lead ion concentration in heavy metal wastewater. Springer US 2021-04-07 /pmc/articles/PMC8026806/ /pubmed/33829314 http://dx.doi.org/10.1186/s11671-021-03521-2 Text en © The Author(s) 2021 Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Nano Express
Jiang, Xinde
Ma, Jianye
Jiang, Guixian
Xu, Manqing
Huang, Xueping
Gao, Guiqing
Dai, Xin
Preparation of Gold Nanoplates Using Ortho Carbonyl Compounds as Capping Agents for Electrochemical Sensing of Lead Ions
title Preparation of Gold Nanoplates Using Ortho Carbonyl Compounds as Capping Agents for Electrochemical Sensing of Lead Ions
title_full Preparation of Gold Nanoplates Using Ortho Carbonyl Compounds as Capping Agents for Electrochemical Sensing of Lead Ions
title_fullStr Preparation of Gold Nanoplates Using Ortho Carbonyl Compounds as Capping Agents for Electrochemical Sensing of Lead Ions
title_full_unstemmed Preparation of Gold Nanoplates Using Ortho Carbonyl Compounds as Capping Agents for Electrochemical Sensing of Lead Ions
title_short Preparation of Gold Nanoplates Using Ortho Carbonyl Compounds as Capping Agents for Electrochemical Sensing of Lead Ions
title_sort preparation of gold nanoplates using ortho carbonyl compounds as capping agents for electrochemical sensing of lead ions
topic Nano Express
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8026806/
https://www.ncbi.nlm.nih.gov/pubmed/33829314
http://dx.doi.org/10.1186/s11671-021-03521-2
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