Journal ArticleDOI
Oxide perovskites, double perovskites and derivatives for electrocatalysis, photocatalysis, and photovoltaics
TLDR
In this article, the authors discuss the extreme flexibility of oxide perovskites in terms of their structures and compositions, which lead to a treasure trove of materials for diverse applications, and attempt to build the connections between the structural and compositional flexibility and the tunable material properties desirable for various applications.Abstract:
Searching for novel functional materials represents an important direction in the research and development of renewable energy. Due to their unique structural and compositional flexibility and high material stability, oxide perovskites and their derivatives have recently been extensively explored as a class of versatile materials for applications in electrocatalysis (EC), photocatalysis (PC) and photovoltaics (PV), showing great promise in terms of catalytic activity and device stability. In this review, we firstly discuss the extreme flexibilities of oxide perovskites in terms of their structures and compositions, which lead to a treasure trove of materials for diverse applications. Secondly, the current status of their applications and challenges in EC, PC and PV are reviewed. We attempt to build the connections between the structural and compositional flexibility and the tunable material properties desirable for various applications.read more
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Anionic defect engineering of transition metal oxides for oxygen reduction and evolution reactions
TL;DR: In this article, a review of recent progress in manipulating the anion defects in transition metal oxides for enhancing their activity and stability is summarized and the proposed mechanisms for enhanced performance are discussed in detail.
Journal ArticleDOI
Solar fuels: research and development strategies to accelerate photocatalytic CO2 conversion into hydrocarbon fuels
Eunhee Gong,Shahzad Ali,Chaitanya B. Hiragond,Hong Soo Kim,Niket S. Powar,Dongyun Kim,Hwapyong Kim,Su-Il In +7 more
TL;DR: In this article, a comprehensive review highlights the recent advances in CO2 photoreduction, including critical challenges such as light-harvesting, charge separation, and activation of CO2 molecules.
Journal ArticleDOI
Solar fuels: research and development strategies to accelerate photocatalytic CO<sub>2</sub> conversion into hydrocarbon fuels
TL;DR: In this article , the authors propose fundamentals, challenges, strategies, and prospects for photocatalytic CO 2 conversion research and propose a review of the current state of the art.
References
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Journal ArticleDOI
Electrochemical Photolysis of Water at a Semiconductor Electrode
Akira Fujishima,Kenichi Honda +1 more
TL;DR: Water photolysis is investigated by exploiting the fact that water is transparent to visible light and cannot be decomposed directly, but only by radiation with wavelengths shorter than 190 nm.
Journal ArticleDOI
Organometal Halide Perovskites as Visible-Light Sensitizers for Photovoltaic Cells
TL;DR: Two organolead halide perovskite nanocrystals were found to efficiently sensitize TiO(2) for visible-light conversion in photoelectrochemical cells, which exhibit strong band-gap absorptions as semiconductors.
Journal ArticleDOI
Building better batteries
TL;DR: Researchers must find a sustainable way of providing the power their modern lifestyles demand to ensure the continued existence of clean energy sources.