DataVXAdvanced Functional MaterialsPaper
journal article·2022-11

Lattice Distortion Engineering over Ultrathin Monoclinic BiVO4 Nanoflakes Triggering AQE up to 69.4% in Visible‐Light‐Driven Water Oxidation

Davin Philo, Shunqin Luo, Can He, Qi Wang, Fumihiko Ichihara, Lulu Jia, Mitsutake Oshikiri, Hong Pang, Yan Wang, Sijie Li, Gaoliang Yang, Xiaohui Ren, Huiwen Lin, Jinhua Ye

Advanced Functional Materials· Volume 32· Issue 45
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Source abstract

Abstract

Abstract An efficient water oxidation photocatalyst is imperative for the realization of artificial photosynthesis. Herein, a cooperative strategy is represented that enables 2D structure tailoring and lattice distortion engineering simultaneously over a BiVO4 photocatalyst for efficient visible‐light‐driven oxygen evolution reaction (OER). Specifically, the lattice distortion engineering is achieved through the introduction of a sodium (Na+) additive during the ion exchange process. Structural characterizations suggest the formation of ultrathin 2D monoclinic BiVO4 nanoflakes with shrank VO and elongated BiO bonds. Mechanistic investigations reveal the advantages of ultrathin 2D features for exposing more (010) active facets and shortening the required migration distance for charge carriers to reach the catalytic surface. More importantly, the lattice distortion effect is found to crucially govern the charge carrier dynamics and catalytic surface behavior of BiVO4 photocatalyst, endowing the optimized sample with an outstanding photocatalytic OER performance triggering up to 69.4% apparent quantum efficiency over Fe3+ sacrificial solution. These findings highlight the functional application of morphology and dimensional modification, as well as lattice distortion engineering in synthesizing superior monoclinic BiVO4 photocatalyst for efficient visible‐light‐driven water oxidation.
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Research context

NanomaterialsCatalysis & surfaces

OpenAlex topics: Advanced Photocatalysis Techniques · Copper-based nanomaterials and applications · Electronic and Structural Properties of Oxides

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Graduate School of Chemical Sciences and Engineering Hokkaido University Sapporo Hokkaido 060‐0814 Japan

International Center for Materials Nanoarchitectonics (WPI‐MANA) National Institute for Materials Science (NIMS) 1‐1 Namiki Tsukuba Ibaraki 305‐0044 Japan

Beijing Easpring Material Technology Co., Ltd. Beijing 100160 China

International Center for Materials Nanoarchitectonics (WPI‐MANA) National Institute for Materials Science (NIMS) 3–13 Sakura Tsukuba Ibaraki 305‐0003 Japan

KAUST Catalysis Center (KCC) King Abdullah University of Science and Technology Thuwal 23955–6900 Saudi Arabia

Institute of Materials Research and Engineering Agency for Science, Technology and Research (A*STAR) 2 Fusionopolis Way Innovis 138634 Singapore

The State Key Laboratory of Refractories and Metallurgy Institute of Advanced Materials and Nanotechnology School of Materials and Metallurgy Wuhan University of Science and Technology Wuhan 430081 China

School of Materials Science and Engineering Southeast University Nanjing 211189 China

Funding

Ministry of Education, Culture, Sports, Science and Technology · Hokkaido University

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