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Anisotropic ZnO nanostructures and their nanocomposites as an advanced platform for photocatalytic remediation

Title
Anisotropic ZnO nanostructures and their nanocomposites as an advanced platform for photocatalytic remediation
Author
김기현
Keywords
Zinc oxide; Photocatalysis; Controllable morphologies; Performance evaluation
Issue Date
2021-08
Publisher
ELSEVIER
Citation
JOURNAL OF HAZARDOUS MATERIALS, v. 415, article no. 125651
Abstract
In pursuit of advanced heterogeneous photocatalysts, ZnO has emerged as a promising option for solar-driven heterogeneous photocatalyst with many advantageous properties (e.g., optical band structure and electronic properties). However, as the efficacy of such system can also be limited by a number of demerits (e.g., fast recombination of charge carriers and limited photon absorption), considerable efforts are needed for its effective and practical scale-up. This article provides a detailed literature review of the synthesis and modification of ZnO nanostructures with tuned band structures and controllable morphologies for solar light harvesting. The potential of anisotropic ZnO nanostructures is also discussed with respect to the photocatalytic degradation of organic/ inorganic water pollutants. Further, the role of various metal dopants is discussed for the enhancement of photocatalytic activity along with evaluation of their photocatalytic performances under UV-visible or solar irradiation. Finally, our discussions are expanded to describe the prospects of developed ZnO nanophotocatalysts for real-world applications with respect to light-harvesting efficiency and mechanical stability.
URI
https://www.sciencedirect.com/science/article/pii/S0304389421006142?via%3Dihubhttps://repository.hanyang.ac.kr/handle/20.500.11754/176723
ISSN
0304-3894;1873-3336
DOI
10.1016/j.jhazmat.2021.125651
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > CIVIL AND ENVIRONMENTAL ENGINEERING(건설환경공학과) > Articles
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