Quantifying Nanosheet Graphene Oxide Using Electrospray-Differential Mobility Analysis

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題名:	Quantifying Nanosheet Graphene Oxide Using Electrospray-Differential Mobility Analysis
作者:	王孝方;Tai, Jui-Ting;Lai, Yen-Chih;Yang, Jian-He;Ho, Hsin-Chia;Wang, Hsiao-Fang;Ho, Rong-Ming;Tsai, De-Hao
貢獻者:	工學院化學工程與材料工程學系
關鍵詞:	Analytical chemistry;Colloids;Equivalence;filtration;Graphene;graphene oxide;Graphite - chemistry;Mathematical analysis;Microscopy, Electron, Transmission;nanosheets;Nanostructure;Nanostructures - chemistry;Oxides;Oxides - chemistry;Size distribution;Spectrometry, Mass, Electrospray Ionization;traceability;Transmission electron microscopy
日期:	2015-04-07
上傳時間:	2026-04-21 14:35:30 (UTC+8)
出版者:	American Chemical Society;United States: American Chemical Society
摘要:	摘要： We report a high-resolution, traceable method to quantify number concentrations and dimensional properties of nanosheet graphene oxide (N-GO) colloids using electrospray-differential mobility analysis (ES-DMA). Transmission electron microscopy (TEM) was employed orthogonally to provide complementary data and imagery of N-GOs. Results show that the equivalent mobility sizes, size distributions, and number concentrations of N-GOs were able to be successfully measured by ES-DMA. Colloidal stability and filtration efficiency of N-GOs were shown to be effectively characterized based on the change of size distributions and number concentrations. Through the use of an analytical model, the DMA data were able to be converted into lateral size distributions, showing the average lateral size of N-GOs was ∼32 nm with an estimated thickness ∼0.8 nm. This prototype study demonstrates the proof of concept of using ES-DMA to quantitatively characterize N-GOs and provides traceability for applications involving the formulation of N-GOs. 其他題名： Anal. Chem 出版者： United States: American Chemical Society 出版日期： 2015-04-07 出處： Analytical chemistry (Washington), 2015-04, Vol.87 (7), p.3884-3889 資源來源： American Chemical Society Journals 版權： Copyright © American Chemical Society 版權： Copyright American Chemical Society Apr 7, 2015 識別號： ISSN: 0003-2700 識別號： ISSN: 1520-6882 識別號： EISSN: 1520-6882 識別號： DOI: 10.1021/ac504671k 識別號： PMID: 25783039 識別號： CODEN: ANCHAM
顯示於類別:	[化學工程與材料工程學系 ] 期刊論文

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