Using loofah as the carrier,a series of loofah encapsulated NiO/Co3O4 composites with different component ratios were prepared by ultrasound-assisted vacuum adsorption method.The microscopic morphology,crystal structure,functional group structure,absorbance and water evaporation rate of the loofah encapsulated NiO/Co3O4 composites were tested by scanning electron microscopy (SEM),wide-angle X-ray diffractometer (WAXD),Fourier transform infrared spectroscopy (FT-IR),ultraviolet spectrophotometer and xenon lamp evaporator.The results of SEM and WAXD showed that NiO and Co3O4 had been successfully physically attached into the loofah,and no new crystalline diffraction peaks were generated in the NiO/Co3O4 composites encapsulated with loofah.The photocatalytic degradation and evaporation rate results revealed that under the irradiation of 250W UV lamp,the degradation rate of Rhodamine B by the NiO/Co3O4 composites reached about 48% when the component ratio was 3∶1.Under the sunlight intensity of 1.5kW/m2,the evaporation rate of NiO/Co3O4 composites with a component ratio of 5∶1 reached 1.44kg/(m2·h),which was 10～15 times that of the natural evaporation rate of pure water.
[1] 国际能源署“2020世界能源展望”四大看点[J].中外能源,2021,26(2):98.
[2] Amy E Childress,Elimelech M.Effect of solution chemistry on the surface charge of polymeric reverse osmosis and nanofiltration membranes[J].Journal of Membrane Science,1996,119(2):253-268.
[3] Morciano M,Fasano M,Salomov U,et al.Efficient steam generation by inexpensive narrow gap evaporation device for solar applications[J].Scientific Reports,2017,7(1):1-9.
[4] 张灿英,张丽,赵辰,等.太阳能水蒸发PVA/炭黑/聚氨酯复合材料的制备及性能研究[J].化工新型材料,2022,50(8):111-116.
[5] Liu K K,Jiang Q,Tadepalli S,et al.Wood-graphene oxide composite for highly efficient solar steam generation and desalination[J].ACS Applied Materials & Interfaces,2017,9(8):7675-7681.
[6] Fu Fenglian,Wang Qi.Removal of heavy metal ions from wastewaters:a review-ScienceDirect[J].Journal of Environmental Management,2011,92(3):407-418.
[7] Zhou J,Sun Z,Chen M,et al.Macroscopic and mechanically robust hollow carbon spheres with superior oil adsorption andlight-to-heat evaporation properties[J].Advanced Functional Materials,2016,26(29):5368-5375.
[8] Higgins M,Rahmaan A S,Devarapalli R R,et al.Carbon fabric based solar steam generation for waste water treatment[J].Solar Energy,2018,159:800-810.
[9] Lou J,Liu Y,Wang Z,et al.Bioinspired multifunctional paper-based rGO composites for solar-driven clean water generation[J].ACS Applied Materials & Interfaces,2016,8(23):14628-14636.
[10] Chang C,Yang C,Liu Y M,et al.Efficient solar-thermal energy harvest driven by interfacial plasmonic heating-assisted evaporation[J].ACS Applied Materials & Interfaces,2016,8:23412-23418.
[11] Huang J,He Y,Wang L,et al.Bifunctional Au@TiO2 core-shell nanoparticle films for clean water generation by photocatalysis and solar evaporation[J].Energy Conversion and Management,2017,132:452-459.
[12] 赵国猛.丝瓜络织物基高效光热蒸发器件的结构设计及其性能研究[D].武汉:武汉纺织大学,2022.
[13] 李洪波.丝瓜络化学成分分析[J].轻纺工业与技术,2015,44(6):8-10.
[14] 李园园,陈少华,张召基,等.KOH活化丝瓜络制备高比表面积活性炭[J].化工进展,2012,31(6):1274-1279.
[15] Lin Z,Du C,Yan B,et al.Two-dimensional amorphous NiO as a plasmonic photocatalyst for solar H2 evolution[J].Nature Communication,2018,9:4036.
[16] Huang J,Sheng H,Ross R D,et al.Modifying redox properties and local bonding of Co3O4 by CeO2 enhances oxygen evolution catalysis in acid[J].Nature Communication,2021,12:3036.
[17] 贾仕奎,王忠,陈立贵,等.一种有机复合相变储能材料的可控制备装置:CN201510323884.9[P].2017-12-22.
[18] 贾仕奎,王忠,陈立贵,等.一种有机复合相变储能材料的可控制备方法:CN201510324828.7[P].2017-12-05.
基金资助
国家级大学生创新创业训练计划项目(202310720030);陕西理工大学校级科研重点项目(SLGKYXM2305)
PDF
