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Chemical Exfoliation of Black Phosphorus for Nanoelectronics Applications

Published online by Cambridge University Press:  08 May 2017

Misook Min ,
Gustavo A. Saenz ,
Gang Qiu ,
Adam Charnas ,
Peide Ye  and
Anupama B. Kaul
Misook Min
Affiliation:
Electrical and Computer Engineering Department, University of Texas at El Paso, El Paso, TX, USA.
Gustavo A. Saenz
Affiliation:
Electrical and Computer Engineering Department, University of Texas at El Paso, El Paso, TX, USA.
Gang Qiu
Affiliation:
Electrical and Computer Engineering Department, Purdue University, Lafayette, IN, USA.
Adam Charnas
Affiliation:
Electrical and Computer Engineering Department, Purdue University, Lafayette, IN, USA.
Peide Ye
Affiliation:
Electrical and Computer Engineering Department, Purdue University, Lafayette, IN, USA.
Anupama B. Kaul*
Affiliation:
Electrical and Computer Engineering Department, University of Texas at El Paso, El Paso, TX, USA.
*
*(Email: akaul@utep.edu)
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Abstract

Chemically exfoliated two-dimensional (2D) materials have shown promise in a variety of applications such as thin film transistors and photovoltaic devices. Here, we present a scalable method for preparing black phosphorus membranes via direct liquid-phase exfoliation of the bulk crystal in organic solvents. The black phosphorus sheets are characterized by Raman and Photoluminescence (PL) spectroscopy, and optical microscopy. The properties of these chemically exfoliated black phosphorus was compared to mechanically exfoliated nanomembranes. The liquid-phase exfoliation nonetheless yields the potential for large-area scalability. Our results highlight the important aspects of forming solution dispersions of 2D black phosphorus which can subsequently be the stepping stone for future work on the ink-jet printing of such dispersions over a wide range of substrates.

Keywords

chemical synthesisRaman spectroscopyoptical properties
Type
Articles
Information
MRS Advances , Volume 2 , Issue 60: Nanomaterials , 2017 , pp. 3697 - 3702
Copyright
Copyright © Materials Research Society 2017 

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References

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