Excellent Temperature-Control Based on Reversible Thermochromic Materials for Light-Driven Phase Change Materials System
1
State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China
2
Eco-chemical Engineering Cooperative Innovation Center of Shandong, Qingdao University of Science and Technology, Qingdao 266042, China
*
Author to whom correspondence should be addressed.
Academic Editor: Ana Ines Fernandez Renna
Molecules 2019, 24(8), 1623; https://doi.org/10.3390/molecules24081623
Received: 28 February 2019 / Revised: 22 April 2019 / Accepted: 23 April 2019 / Published: 24 April 2019
(This article belongs to the Special Issue Phase Change Materials)
Light-driven phase change materials (PCMs) have received significant attention due to their capacity to convert visible light into thermal energy, storing it as latent heat. However, continuous photo-thermal conversion can cause the PCMs to reach high thermal equilibrium temperatures after phase transition. In our study, a novel light-driven phase change material system with temperature-control properties was constructed using a thermochromic compound. Thermochromic phase change materials (TC-PCMs) were prepared by introducing 2-anilino-6-dibutylamino-3-methylfluoran (ODB-2) and bisphenol A (BPA) into 1-hexadecanol (1-HD) in various proportions. Photo-thermal conversion performance was investigated with solar radiation (low power of 0.09 W/cm2) and a xenon lamp (at a high power of 0.14 W/cm2). The TC-PCMs showed a low equilibrium temperature due to variations in absorbance. Specifically, the temperature of TC-PCM180 (ODB-2, bisphenol A and 1-HD ratio 1:2:180) could stabilize at 54 °C approximately. TC-PCMs exhibited reversibility and repeatability after 20 irradiation and cooling cycles.
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Keywords:
photo-thermal conversion; phase change materials; thermochromic compound; temperature control
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MDPI and ACS Style
Ren, C.; Liu, F.; Umair, M.M.; Jin, X.; Zhang, S.; Tang, B. Excellent Temperature-Control Based on Reversible Thermochromic Materials for Light-Driven Phase Change Materials System. Molecules 2019, 24, 1623.
AMA Style
Ren C, Liu F, Umair MM, Jin X, Zhang S, Tang B. Excellent Temperature-Control Based on Reversible Thermochromic Materials for Light-Driven Phase Change Materials System. Molecules. 2019; 24(8):1623.
Chicago/Turabian StyleRen, Caixia; Liu, Fangfang; Umair, Malik M.; Jin, Xin; Zhang, Shufen; Tang, Bingtao. 2019. "Excellent Temperature-Control Based on Reversible Thermochromic Materials for Light-Driven Phase Change Materials System" Molecules 24, no. 8: 1623.
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