Covalent Functionalization of Graphene for the Enhancement of Thermophysical Properties in Nanofluids,Chemical Engineering & Technology

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Covalent Functionalization of Graphene for the Enhancement of Thermophysical Properties in Nanofluids
Chemical Engineering & Technology ( IF 1.8 ) Pub Date : 2020-12-22 , DOI: 10.1002/ceat.202000477
Vishnuprasad Selvaraj ₁ , Karthick Senthilkumar ₁ , Haribabu Krishnan ₁

Affiliation

Covalent functionalization of graphene nanoparticles by autoclave, reflux‐condensation, and microwave‐assisted methods was performed. Nanofluids prepared by acidic functionalized graphene exhibit a higher dispersion stability than raw graphene. The thermal conductivity of nanofluids obtained by the microwave‐assisted method was higher than with other functionalization methods, and a signifcant maximum thermal conductivity enhancement compared to deionized water was achieved. Microwave‐assisted thermochemical synthesis is a highly effective energy‐saving method over other conventional approaches.

中文翻译：

石墨烯的共价官能化，以增强纳米流体的热物理性质

通过高压釜，回流冷凝和微波辅助方法对石墨烯纳米颗粒进行了共价官能化。通过酸性功能化石墨烯制备的纳米流体比原始石墨烯具有更高的分散稳定性。通过微波辅助方法获得的纳米流体的热导率要高于其他功能化方法，并且与去离子水相比，可以显着提高最大的热导率。与其他常规方法相比，微波辅助热化学合成是一种高效的节能方法。

更新日期：2020-12-22

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