DataVXAdvanced MaterialsPaper
journal article·2021-10

Hollow InVO4 Nanocuboid Assemblies toward Promoting Photocatalytic N2 Conversion Performance

Qiutong Han, Xiaowan Bai, Jingming Chen, Shengnan Feng, Wa Gao, Wenguang Tu, Xiaoyong Wang, Jinlan Wang, Bi Jia, Qing Shen, Yong Zhou, Zhigang Zou

Advanced Materials· Volume 33· Issue 39
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Source abstract

Abstract

Abstract The unique InVO4 mesocrystal superstructure, particularly with cubical skeleton and hollow interior, which consists of numerous nanocube building blocks, closely stacking by stacking, aligning by aligning, and sharing the same crystallographic orientations, is successfully fabricated. The synergy of a reaction‐limited aggregation and an Ostwald ripening process is reasonably proposed for the growth of this unique superstructure. Both single‐particle surface photovoltage and confocal fluorescence spectroscopy measurements demonstrate that the long‐range ordered mesocrystal superstructures can significantly retard the recombination of electron–hole pairs through the creation of a new pathway for anisotropic electron flow along the inter‐nanocubes. This promising charge mobility feature of the superstructure greatly contributes to the pronounced photocatalytic performance of the InVO4 mesocrystal toward fixation of N2 into NH3 with the quantum yield of 0.50% at wavelength of 385 nm.
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Research context

NanomaterialsCatalysis & surfaces

OpenAlex topics: Advanced Photocatalysis Techniques · Ammonia Synthesis and Nitrogen Reduction · Gas Sensing Nanomaterials and Sensors

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

Affiliations

Key Laboratory of Modern Acoustics (MOE) Institute of Acoustics Jiangsu Key Laboratory for Nano Technology Ecomaterials and Renewable Energy Research Center (ERERC) School of Physics National Laboratory of Solid State Microstructures Nanjing University 22 Hankou Road Nanjing Jiangsu 210093 P. R. China

School of Physics Southeast University Nanjing Jiangsu 211189 P. R. China

School of Science and Engineering The Chinese University of Hong Kong (Shenzhen) Shenzhen, Guangzhou 518172 P. R. China

School of Metallurgy and Materials Engineering Chongqing University of Science and Technology Chongqing 401331 P. R. China

Faculty of Informatics and Engineering the University of Electro‐Communications Tokyo 182‐8585 Japan

Funding

Fundamental Research Funds for the Central Universities · Government of Jiangsu Province

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