Simulation of metal ceramic single layer coatings for solar energy applications

Q1 Materials Science

Materials Science for Energy Technologies Pub Date : 2023-06-28 DOI:10.1016/j.mset.2023.06.003

Muralidhar Singh M , Manish Kumar , P. Sivaiah , Vijaya G. , Amit Kumar , Dheeraj Kumar , Shatrudhan Pandey , Abhishek Kumar Singh , Ahmed Farouk Deifalla , S.M. Mozammil Hasnain

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引用次数: 2

Abstract

The coating materials, thickness and number of layers directly influence the reflectance and absorptance properties of the thin films. However, while selecting the materials for single and coatings, the substrate’s refractive index; bond layer, functional layer and protective layer have to be carefully chosen to obtain the desired reflectance and absorptance values. Hence, modelling and simulating the thin film coatings is essential before conducting the experiments to get meaningful results. The simulation results of single coatings have been discussed. Generally, glass is one of the widely used substrate materials for solar reflectors, aluminum is the optimal functional material, with a reflection of 93 % of light. Nickel would be a preferable functional layer with a reflection of 64 % and absorptance of 36 %, Si₃N₄ being the acceptable bond layers and protective layers with a reflection of 68 % some solar thermal receiver tube applications however research effort is being made to find alternate lightweight materials for this application. Polycarbonate has been chosen as an alternate material for the substrate because it is light in weight with a reflection of 93 %, which is durable and not fragile.

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太阳能应用中金属陶瓷单层涂层的模拟

涂层材料、厚度和层数直接影响薄膜的反射和吸收性能。然而，在选择单一和涂层材料时，衬底的折射率;必须仔细选择键合层、功能层和保护层，以获得所需的反射率和吸收率值。因此，在进行有意义的实验之前，对薄膜涂层进行建模和模拟是必不可少的。讨论了单涂层的模拟结果。一般来说，玻璃是太阳能反射器广泛使用的基板材料之一，铝是最佳的功能材料，其反射光率为93%。镍是一种较好的功能层，反射率为64%，吸收率为36%，氮化硅是可接受的键合层和保护层，反射率为68%，一些太阳能热接收管应用，但研究工作正在努力寻找替代轻质材料。聚碳酸酯被选为基材的替代材料，因为它重量轻，反射率为93%，耐用且不易碎。

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