Production and properties of top-down and bottom-up graphene oxide

被引：20

作者：

Poniatowska, Aleksandra ^{[1
]}

Trzaskowski, Maciej ^{[1
,2
]}

Ciach, Tomasz ^{[1
,2
]}

机构：

[1] Warsaw Univ Technol, Fac Chem & Proc Engn, Warynskiego 1, PL-00645 Warsaw, Poland

[2] CEZAMAT PW, Poleczki 19, PL-02822 Warsaw, Poland

来源：

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2019年 / 561卷

关键词：

Graphene oxide; Hydrothermal method; Modified hummers method; Fluorescence; pKa measurement; QUANTUM DOTS; FACILE SYNTHESIS; WATER; DESALINATION; PERFORMANCE; MEMBRANES; ORIGIN;

D O I：

10.1016/j.colsurfa.2018.10.049

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Two known ways of Graphene Oxide (GO) production, "bottom-up" and "top-down" were investigated and their products compared. First one is based on thermal decomposition of citric acid in different conditions while the second is based on the known modified Hummers method, in our case, it is the oxidation and exfoliation of synthetic graphite. The first technique, less known, was investigated deeper to check the influence of process parameters on the yield, size distribution and chemical and physical properties of the obtained bottom-up GO. Both types of products are compared due to their morphology, size distribution, physicochemical properties, acidic properties in water, and fluorescence in various pH conditions in water, all at various production process parameters.

引用

页码：315 / 324

页数：10

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