Single-atom photocatalysts for various applications in energy conversion and environmental remediation: A review

Du, Xing; Liu, Qianqian; Wang, Zhongyu; Cheng, Miao; Hu, Jing; Wei, Tao; Wang, Ruirui; Ling, Yun; Li, Wanfei; Liu, Bo

doi:10.1016/j.ica.2023.121517

Cited by 2 publications

(1 citation statement)

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“…[98] Isolated single atoms (SAs) are stabilized by binding to supports or alloying with another metal, with tunable local coordination environments and maximum atom utilization efficiency. [99] In addition, SAC exhibits a unique electronic structure that can lead to more empty d orbitals within the metal active center, and has a preference for N 2 molecules. Choi et al found that SACs can inhibit HER through an integrated effect, thereby significantly enhancing the selectivity of ENRR.…”

Section: Progress Of Sacs In Enrrmentioning

confidence: 99%

Design of Single‐Atom Catalysts for E lectrocatalytic Nitrogen Fixation

Yu,

Wei,

Chen

et al. 2023

ChemSusChem

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The Electrochemical nitrogen reduction reaction (ENRR) can be used to solve environmental problems as well as energy shortage. However, ENRR still faces the problems of low NH3 yield and low selectivity. The NH3 yield and selectivity in ENRR are affected by multiple factors such as electrolytic cells, electrolytes, and catalysts, etc. Among these catalysts are at the core of ENRR research. Single‐atom catalysts (SACs) with intrinsic activity have become an emerging technology for numerous energy regeneration, including ENRR. In particular, regulating the microenvironment of SACs (hydrogen evolution reaction inhibition, carrier engineering, metal‐carrier interaction, etc.) can break through the limitation of intrinsic activity of SACs. Therefore, this Review first introduces the basic principles of NRR and outlines the key factors affecting ENRR. Then a comprehensive summary is given of the progress of SACs (precious metals, non‐precious metals, non‐metallic) and diatomic catalysts (DACs) in ENRR. The impact of SACs microenvironmental regulation on ENRR is highlighted. Finally, further research directions for SACs in ENRR are discussed.

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Section: Progress Of Sacs In Enrrmentioning

confidence: 99%