Issue 50, 2016, Issue in Progress

Earth-abundant stable elemental semiconductor red phosphorus-based hybrids for environmental remediation and energy storage applications

Abstract

The photocatalytic generation of hydrogen and the photodegradation of organic dyes in wastewater using solar light, preferably visible light, have attracted considerable interest because they are clean, low-cost, and environmentally friendly processes. On the other hand, the major drawbacks with traditional photocatalysts are their limited light absorption ability and wide band gap. Therefore, several studies have focused on elemental semiconductor photocatalysts such as red phosphorus (RP) because of its narrow band gap, high absorption ability for the incident solar spectrum, low cost, earth abundance, and easy accessibility, showing great potential for use in numerous industrial applications. The development of RP and its heterojunctions provides promising candidates for utilizing the largest part of the solar energy spectrum. In addition to the photoinduced properties of RP-based nanocomposites, RP-based nanocomposite materials have recently been considered to be good and advanced anodes for lithium- and sodium-ion batteries because of the high theoretical capacity of RP (2596 mA h g−1). The present review briefly introduces the recent advances in the development of various strategies for constructing efficient RP-based hybrid structures that are responsive to visible light, followed by a description of the utilization of RP and its composites as electrode materials in lithium- and sodium-ion batteries. Finally, a summary and viewpoint are also presented to highlight future work on the development of high-storage RP-based electrodes and visible-light photocatalysts.

Graphical abstract: Earth-abundant stable elemental semiconductor red phosphorus-based hybrids for environmental remediation and energy storage applications

Article information

Article type
Review Article
Submitted
08 Mar 2016
Accepted
12 Apr 2016
First published
05 May 2016

RSC Adv., 2016,6, 44616-44629

Earth-abundant stable elemental semiconductor red phosphorus-based hybrids for environmental remediation and energy storage applications

S. A. Ansari, Z. Khan, M. O. Ansari and M. H. Cho, RSC Adv., 2016, 6, 44616 DOI: 10.1039/C6RA06145A

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