Interfacial solar-driven evaporation technique is an environmental friendly and cost-effective advanced approach for water purification using solar energy.Free energy sources are effectively utilized using the structu...Interfacial solar-driven evaporation technique is an environmental friendly and cost-effective advanced approach for water purification using solar energy.Free energy sources are effectively utilized using the structural design of evaporators and functional materials.In this work,we have fabricated a solar-driven interfacial evaporation device with Banana Pseudo Stem(BPS)and a photothermal layer made up of PVA PDMS Carbon(PPC)is attached to it.High evaporation rate of 2.03 kg m^(−2) h^(−1) is achieved by the system under 1 sun illumination.Heat localization on interfacial surface,reflectance of photothermal layer,presence of micro-fluidic channels in BPS were studied using IR imaging,UV-DRS and SEM characterization techniques,respectively.Effective localization of interfacial temperature around 53℃ and very low reflectance of photothermal layer substantiates high photothermal conversion efficiency of the device.The complete purification of water containing high concentration of Rhodamine-B dye using BPS is a novel and simple approach for water purification.This is an eco-friendly,cost-efficient novel approach in fabrication of interfacial solar-driven evaporation system with high evaporation rate for purification of water containing high concentration of organic dye.展开更多
基金The work was supported by Department of Science and Technology,Government of India(Grant No.-“DST/TMD/CERI/RES/2020/52”)authors acknowledge the IR camera facility from the project(DST/TWF Divi-sion/AFW for EM/C/2017/121)by DST,India.
文摘Interfacial solar-driven evaporation technique is an environmental friendly and cost-effective advanced approach for water purification using solar energy.Free energy sources are effectively utilized using the structural design of evaporators and functional materials.In this work,we have fabricated a solar-driven interfacial evaporation device with Banana Pseudo Stem(BPS)and a photothermal layer made up of PVA PDMS Carbon(PPC)is attached to it.High evaporation rate of 2.03 kg m^(−2) h^(−1) is achieved by the system under 1 sun illumination.Heat localization on interfacial surface,reflectance of photothermal layer,presence of micro-fluidic channels in BPS were studied using IR imaging,UV-DRS and SEM characterization techniques,respectively.Effective localization of interfacial temperature around 53℃ and very low reflectance of photothermal layer substantiates high photothermal conversion efficiency of the device.The complete purification of water containing high concentration of Rhodamine-B dye using BPS is a novel and simple approach for water purification.This is an eco-friendly,cost-efficient novel approach in fabrication of interfacial solar-driven evaporation system with high evaporation rate for purification of water containing high concentration of organic dye.
