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《Acta Materiae Compositae Sinica》 2018-06
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Preparation and characterization of hexadecanol-palmitic acid-lauric acid@(Ce-La-TiO_2) photocatalytic-heat-mositure composites

ZHANG Hao;YANG Xiaoni;School of Civil Engineering and Architecture,Anhui University of Technology;Key Laboratory of Metallurgical Emission Reduction & Resources Recycling,Ministry of Education,Anhui University of Technology;Huaqing College,Xi'an University of Architecture and Technology;  
The hexadecanol(H)-palmitic acid(PA)-lauric acid(LA)@(Ce-La-TiO_2)photocatalytic-heat-mositure composites were prepared experimentally by the sol-gel method and the vacuum adsorption method,with the Ce-LaTiO_2 hollow microspheres as the carrier material and H-PA-LA as the phase change material separately.The light response property,heat property,mositure property,composition and microstructure were tested and characterized by UV-Vis,XRD,DSC,DVS and SEM,respectively.The results show that the H-PA-LA@(Ce-La-TiO_2)photocatalytic-heat-mositure composites present as uniform spheres,with small particle size and good dispersion,which promotes the coordinated effect of La ions and Ce ions.When the mass ratio of Ce(NO3)3·6 H2 O to La(NO3)3·6 H2 O is 1∶1,the H-PA-LA@(Ce-La-TiO_2)photocatalytic-heat-mositure composites can obtain the optimal light response property.When the mass ratio of H-PA-LA to Ce-La-TiO_2 hollow microspheres is 1∶2,H-PA-LA@(CeLa-TiO_2)photocatalytic-heat-mositure composites show the best heat property.When the vacuum degree of vacuum drying oven is 0.07 MPa,the H-PA-LA@(Ce-La-TiO_2)photocatalytic-heat-mositure composites show the optimalmoisture property.
【Fund】: 中国博士后科学基金(2017M612051);; 陕西省教育厅专项科学研究计划(16JK2092);; 冶金减排与资源综合利用教育部重点实验室(安徽工业大学)项目(KF17-08)
【CateGory Index】: TB33
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