Type

Journal Article

Authors

Aidan R McDonald
Jonathan N Coleman
Georg S Duesberg
Mark Freeley
Pierre LaPlace
Paul Lafargue
Xin Chen
Nina C Berner
Claudia Backes

Subjects

Chemistry

Topics
two dimensional mos2 surface transition metal diffuse reflectance materials functionalization x ray photoelectron spectroscopy xps

Functionalization of liquid-exfoliated two-dimensional 2H-MoS2. (2014)

Abstract Layered two-dimensional (2D) inorganic transition-metal dichalchogenides (TMDs) have attracted great interest as a result of their potential application in optoelectronics, catalysis, and medicine. However, methods to functionalize and process such 2D TMDs remain scarce. We have established a facile route towards functionalized layered MoS2 . We found that the reaction of liquid-exfoliated 2D MoS2 , with M(OAc)2 salts (M=Ni, Cu, Zn; OAc=acetate) yielded functionalized MoS2 -M(OAc)2 materials. Importantly, this method furnished the 2H-polytype of MoS2 which is a semiconductor. X-ray photoelectron spectroscopy (XPS), diffuse reflectance infrared Fourier transform spectroscopy (DRIFT-IR), and thermogravimetric analysis (TGA) provide strong evidence for the coordination of MoS2 surface sulfur atoms to the M(OAc)2 salt. Interestingly, functionalization of 2H-MoS2 allows for its dispersion/processing in more conventional laboratory solvents.
Collections Ireland -> Trinity College Dublin -> PubMed

Full list of authors on original publication

Aidan R McDonald, Jonathan N Coleman, Georg S Duesberg, Mark Freeley, Pierre LaPlace, Paul Lafargue, Xin Chen, Nina C Berner, Claudia Backes

Experts in our system

1
Aidan Mcdonald
Trinity College Dublin
Total Publications: 29
 
2
Jonathan Coleman
Trinity College Dublin
Total Publications: 217
 
3
Georg Duesberg
Trinity College Dublin
Total Publications: 116
 
4
Xin Chen
Trinity College Dublin
Total Publications: 5
 
5
Nina C Berner
Trinity College Dublin
Total Publications: 20
 
6
Claudia Backes
Trinity College Dublin
Total Publications: 20