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Title: Evolution of hydrogen by few-layered black phosphorus under visible illumination
Authors: Muduli, Subas Kumar
Varrla, Eswaraiah
Xu. You
Kulkarnia, Sneha Avinash
Katrec, Ankita
Chakrabortyd, Sudip
Chen, Shi
Sum, Tze Chien
Xu, Rong
Mathews, Nripan
Keywords: Science::Chemistry
Issue Date: 2017
Source: Muduli, S. K., Varrla, E., Xu, Y, Kulkarni, S. A., Katre, A., Chakraborty, S., . . . Matthews, N. (2017). Evolution of hydrogen by few-layered black phosphorus under visible illumination. Journal of Materials Chemistry A, 5(47), 24874-24879. doi:10.1039/C7TA04889K
Project: NRF-CRP14-2014-03 
Journal: Journal of Materials Chemistry A 
Abstract: Recently, a new class of two-dimensional black phosphorus (BP) with a visible direct band gap is predicted as a potential candidate for photo-catalysis applications. Here, we present the first experimental evidence of hydrogen (H2) evolution from aqueous solution by using BP (nanosheets and nanoparticles) under visible light illumination. Our experimental results describe that liquid phase exfoliated BP nanosheets and BP nanoparticles exhibit suitable energy level alignments for electron transfer and further proton reduction reactions in the solution under visible light illumination. Density functional theory (DFT) calculations predict that the H2 evolution activity of bilayer BP is independent of edge or center positions, which is unique in BP as compared to those of other 2D materials.
ISSN: 2050-7488
DOI: 10.1039/C7TA04889K
Schools: School of Chemical and Biomedical Engineering 
School of Materials Science & Engineering 
School of Physical and Mathematical Sciences 
Research Centres: Energy Research Institute @ NTU (ERI@N) 
Research Techno Plaza 
Rights: © 2017 The Royal Society of Chemistry. All rights reserved. This paper was published in Journal of Materials Chemistry A and is made available with permission of The Royal Society of Chemistry.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:ERI@N Journal Articles

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