Abstract

Nowadays, we have learned how sunlight can be absorbed in a low-cost, high-efficiency way by using solar thermal collectors (STCs). Due to the global energy crisis, STC studies intensified for a few years. STCs have been used in many applications, like agriculture [1], electricity generation [2], and many more [3]. However, it remains a prime challenge to improve the performance of the absorber part of the STC by examining different types and optimizing the material used.

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