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Open AccessReview

A Review on Visible Light Active Perovskite-Based Photocatalysts

by Pushkar Kanhere 1,2,* and Zhong Chen 1,2,*
Energy Research Institute @ NTU, 1 CleanTech Loop, Clean Tech One, Singapore 637141, Singapore
School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
Authors to whom correspondence should be addressed.
Molecules 2014, 19(12), 19995-20022;
Received: 25 September 2014 / Revised: 13 November 2014 / Accepted: 16 November 2014 / Published: 1 December 2014
(This article belongs to the Special Issue Photocatalysis)
Perovskite-based photocatalysts are of significant interest in the field of photocatalysis. To date, several perovskite material systems have been developed and their applications in visible light photocatalysis studied. This article provides a review of the visible light (λ > 400 nm) active perovskite-based photocatalyst systems. The materials systems are classified by the B site cations and their crystal structure, optical properties, electronic structure, and photocatalytic performance are reviewed in detail. Titanates, tantalates, niobates, vanadates, and ferrites form important photocatalysts which show promise in visible light-driven photoreactions. Along with simple perovskite (ABO3) structures, development of double/complex perovskites that are active under visible light is also reviewed. Various strategies employed for enhancing the photocatalytic performance have been discussed, emphasizing the specific advantages and challenges offered by perovskite-based photocatalysts. This review provides a broad overview of the perovskite photocatalysts, summarizing the current state of the work and offering useful insights for their future development. View Full-Text
Keywords: perovskite; photocatalysis; visible light active; water splitting; doping perovskite; photocatalysis; visible light active; water splitting; doping
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Kanhere, P.; Chen, Z. A Review on Visible Light Active Perovskite-Based Photocatalysts. Molecules 2014, 19, 19995-20022.

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