Laser desorption/ionization mass spectrometry-based compositional analysis of Au-Ag nanoplates synthesized by galvanic replacement and their application for small molecule analysis

被引：5
作者：
Kim, Young-Kwan [1 ]
Kang, Kyunglee [2 ]
Kim, Hyungjun [3 ]
Kang, Kyungtae [4 ]
Jang, Hongje [2 ]
机构：
[1] Korea Inst Sci & Technol, Inst Adv Composite Mat, Carbon Composite Mat Res Ctr, 92 Chudong Ro, Wanju Gun 55324, Jeollabuk Do, South Korea
[2] Kwangwoon Univ, Dept Chem, 20 Gwangwoon Ro, Seoul 01897, South Korea
[3] Incheon Natl Univ, Dept Chem, 119 Acad Ro, Incheon 22012, South Korea
[4] Kyung Hee Univ, Dept Appl Chem, Yongin 446701, Gyeonggi Do, South Korea
来源：
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2019年 / 71卷
基金：
新加坡国家研究基金会;
关键词：
alloy; nanoparticle; galvanic replacement; laser desorption/ionization; mass spectrometry; DESORPTION IONIZATION; GOLD NANOPARTICLES; GRAPHENE OXIDE; MATRIX; NANOSTRUCTURES; PROTEINS; FILMS; SALDI; TOF;
D O I：
10.1016/j.jiec.2018.11.042
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
This paper demonstrates that laser desorption/ionization time-of-flight mass spectrometry (LDI-TOF-MS) can be utilized to analyze the relative atomic composition and photothermal conversion properties of Au-Ag alloy nanoplates synthesized by galvanic replacement reactions. Using Au-Ag alloy nanoplates with various shapes, it is found that the porous structures of the nanoplates affect their photothermal conversion efficiency more than their laser energy absorption capacity does. Based on these findings, the optimized Au-Ag alloy nanoplates can be applied to LDI-TOF-MS of small molecules. (C) 2018 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：318 / 326
页数：9
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