Reversible oxygen vacancy generation on black zirconia ceramic surfaces via laser modification for solar energy harvesting

IF 5.1 2区材料科学 Q1 MATERIALS SCIENCE, CERAMICS

Ceramics International Pub Date : 2025-03-01 DOI:10.1016/j.ceramint.2024.12.290

Zhekun Chen , Qian Sun , Minghui Hong

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Abstract

Zirconia ceramic is considered as a promising solar absorber material due to its excellent physical and chemical properties. The creation of radiation-induced centers in zirconia ceramic improves its optical properties but usually needs high-temperature or high-pressure conditions. In this work, pulse laser modification and heat treatment are applied to modulate its optical properties in ambient air. Reversible oxygen vacancies are introduced by rapid cooling under short pulse duration laser irradiation. Laser processing parameters is investigated for the formation of broad absorption bandwidth and high intensity. At the optimized laser influence, laser-treated zirconia surface appears black with a reflectivity of less than 5 % in the visible range. Continuously adjustable reflectivity ranging from 5 % to 94 % can be achieved on oxygen-deficient zirconia due to the removal of defects via heat treatment at different temperatures. The introduction and removal of oxygen vacancies are supported by lattice contraction and stress release through XRD and XPS analyses. The enhanced solar absorption is demonstrated with a temperature difference of 7.6 °C under 1 sun illumination, which exhibits potential applications in solar energy harvesting and energy conversion.

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来源期刊

Ceramics International 工程技术-材料科学：硅酸盐

CiteScore

9.40

自引率

15.40%

发文量

4558

审稿时长

25 days

期刊介绍： Ceramics International covers the science of advanced ceramic materials. The journal encourages contributions that demonstrate how an understanding of the basic chemical and physical phenomena may direct materials design and stimulate ideas for new or improved processing techniques, in order to obtain materials with desired structural features and properties. Ceramics International covers oxide and non-oxide ceramics, functional glasses, glass ceramics, amorphous inorganic non-metallic materials (and their combinations with metal and organic materials), in the form of particulates, dense or porous bodies, thin/thick films and laminated, graded and composite structures. Process related topics such as ceramic-ceramic joints or joining ceramics with dissimilar materials, as well as surface finishing and conditioning are also covered. Besides traditional processing techniques, manufacturing routes of interest include innovative procedures benefiting from externally applied stresses, electromagnetic fields and energetic beams, as well as top-down and self-assembly nanotechnology approaches. In addition, the journal welcomes submissions on bio-inspired and bio-enabled materials designs, experimentally validated multi scale modelling and simulation for materials design, and the use of the most advanced chemical and physical characterization techniques of structure, properties and behaviour. Technologically relevant low-dimensional systems are a particular focus of Ceramics International. These include 0, 1 and 2-D nanomaterials (also covering CNTs, graphene and related materials, and diamond-like carbons), their nanocomposites, as well as nano-hybrids and hierarchical multifunctional nanostructures that might integrate molecular, biological and electronic components.