ORCID Profile
0000-0001-8536-8493
Current Organisation
University of Adelaide
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Publisher: Elsevier BV
Date: 09-2019
Publisher: Elsevier BV
Date: 04-2020
Publisher: Wiley
Date: 03-12-2021
Publisher: Wiley
Date: 07-05-2021
DOI: 10.1002/INF2.12192
Abstract: Photocatalysis is an ideal and promising green technology to drive numerous chemical reactions for valued chemicals production under very mild conditions, thereby providing solutions to global energy and environment issues related to burning fossil fuels. Over the past decade, layered double hydroxides (LDHs), as the members in two‐dimensional materials family, have attracted much attention due to their many advantages in photocatalysis, such as facile synthesis, low cost and powerful tunability of composition. In this review, we provide a synthetic overview of recent research advances of LDH‐based photocatalysts, with the main discussion of the design strategies to improve their photocatalytic performance, including component control, defect engineering, hybridization, and topological transformation. Structure‐performance correlations and tailor‐made material synthesis strategies are elaborated to discuss how to realize high‐performance LDH‐based photocatalysts for three important reactions (i.e., water splitting, CO 2 conversion, and N 2 reduction) to generate desirable solar fuels. Further, the remaining challenges and future perspectives of LDH‐based photocatalysts are summed up, aiming to inspire brand new solutions for pushing forward the development of LDH‐based photocatalysis. image
Publisher: Wiley
Date: 18-11-2022
Abstract: Nitrate is an important raw material for chemical fertilizers, but it is industrially manufactured in multiple steps at high temperature and pressure, urgently motivating the design of a green and sustainable strategy for nitrate production. We report the photosynthesis of nitrate from N 2 and O 2 on commercial TiO 2 in a flow reactor under ambient conditions. The TiO 2 photocatalyst offered a high nitrate yield of 1.85 μmol h −1 as well as a solar‐to‐nitrate energy conversion efficiency up to 0.13 %. We combined reactivity and in situ Fourier transform infrared spectroscopy to elucidate the mechanism of nitrate formation and unveil the special role of O 2 in N≡N bond dissociation. The mechanistic insight into charge‐involved N 2 oxidation was further demonstrated by in situ transient absorption spectroscopy and electron paramagnetic resonance. This work exhibits the mechanistic origin of N 2 photooxidation and initiates a potential method for triggering inert catalytic reactions.
Publisher: Springer Science and Business Media LLC
Date: 14-06-2021
Publisher: Wiley
Date: 26-07-2020
Publisher: American Chemical Society (ACS)
Date: 13-03-2023
DOI: 10.1021/JACS.2C13590
Publisher: Elsevier BV
Date: 03-2022
Publisher: Wiley
Date: 15-02-2019
Publisher: Elsevier BV
Date: 05-2021
Publisher: American Chemical Society (ACS)
Date: 17-09-2019
Publisher: Wiley
Date: 15-01-2020
Publisher: Wiley
Date: 07-06-2022
Abstract: Whilst the photocatalytic technique is considered to be one of the most significant routes to address the energy crisis and global environmental challenges, the solar‐to‐chemical conversion efficiency is still far from satisfying practical industrial requirements, which can be traced to the suboptimal bandgap and electronic structure of photocatalysts. Strain engineering is a universal scheme that can finely tailor the bandgap and electronic structure of materials, hence supplying a novel avenue to boost their photocatalytic performance. Accordingly, to explore promising directions for certain breakthroughs in strained photocatalysts, an overview on the recent advances of strain engineering from the basics of strain effect, creations of strained materials, as well as characterizations and simulations of strain level is provided. Besides, the potential applications of strain engineering in photocatalysis are summarized, and a vision for the future controllable‐electronic‐structure photocatalysts by strain engineering is also given. Finally, perspectives on the challenges for future strain‐promoted photocatalysis are discussed, placing emphasis on the creation and decoupling of strain effect, and the modification of theoretical frameworks.
Publisher: American Chemical Society (ACS)
Date: 27-09-2021
No related grants have been discovered for Shuai Zhang.