A biodegradable polymer-assisted efficient and universal exfoliation route to a stable few layer dispersion of transition metal dichalcogenides

被引：8

作者：

Yadav, Priyanka ^{[1
]}

Das, Anirban ^{[1
,3
]}

Sharma, Manoj Kumar ^{[1
]}

Ash, Soumen ^{[1
]}

Ganguli, Ashok Kumar ^{[1
,2
]}

机构：

[1] Indian Inst Technol Delhi, Dept Chem, New Delhi 110016, India

[2] Indian Inst Technol Delhi, Dept Mat Sci & Engn, New Delhi 110016, India

[3] Amity Univ Haryana, Amity Sch Appl Sci, Dept Chem Biochem & Forens Sci, Gurgaon 122413, Haryana, India

来源：

MATERIALS CHEMISTRY AND PHYSICS | 2022年 / 276卷

关键词：

2D material; Quasi 2D transition metal dichalcogenides (TMDCs); Ultrasonication; MoS2; NbS2; LIQUID-PHASE EXFOLIATION; MOS2; NANOSHEETS; DISULFIDE; MONOLAYER; CRYSTALS; BULK;

D O I：

10.1016/j.matchemphys.2021.125347

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Quasi two-dimensional transition metal dichalcogenides (2D-TMDs) with 1-5 layers have been obtained by developing an effective and highly efficient bio-based polymer-solvent system by mild ultrasonication. The hydroxypropyl cellulose (HPC)/1-Butanol (BuOH) system was determined to be an universal polymer-solvent system to effectively exfoliate the bulk transition metal dichalcogenides (TMDs) MoS2, TiS2, WS2, NbS2 and MoSe2. The above process is significant as it is a room temperature liquid phase exfoliation method that leads to a stable dispersion of a few layer 2D-TMD having significant proportion (>50%) of exfoliated material which remains stable in suspension for several months.

引用

页数：9

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