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Constructing core@shell structured photothermal nanosphere with thin carbon layer confined Co-Mn bimetals for pollutant degradation and solar interfacial water evaporation

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Rare Metals 2024年第4期43卷 1686-1701页

作者： Hong-Yang Zhu Meng-Ting Liu Gang Wang Rong-Rong Du Hong-Yao Zhao Hao Lu Shi-Qi Yang Sheng Tang Zeng-Jing Guo Jun Yang Cheng-Zhang Zhu Fu Yang School of Environmental and Chemical Engineering Jiangsu University of Science and TechnologyZhenjiang212003China School of Chemistry and Chemical Engineering Liaocheng UniversityLiaocheng252000China School of Material Science and Engineering Jiangsu University of Science and TechnologyZhenjiang212003China School of Environmental Science and Engineering Nanjing Tech UniversityNanjing210009China

Photothermal material applied in environmental governance has attracted growing *** combining the Stober method and dopamine-triggered coating strategy,Co-Mn precursor was in situ incorporated into the poly dopamine(PDA)layer over the surface of silica ***,a unique photothermal nanosphere with SiO_(2)core and thin carbon layer and dual Co-Mn oxides shell was allowed to form by sequential heat treatment in the inert atmosphere(SiO_(2)@CoMn/C).The bimetallic fraction of Co/Mn in the carbon layer and post-treatment calcination temperature was comprehensively tuned to optimize the peroxymonosulfate(PMS)activation performance of the *** state of bimetallic species was studied including their physical distribution,chemical valence,and interplay by various ***,Co oxides appear as dominant monodispersed nanoparticles(~10 nm),while Mn with cluster-like morphology is observed to uniformly distribute over thin-layer carbon and adhered to the surface of SiO_(2)nanospheres(~250 nm).The calcined temperature could tune the oxidized state of Co species,leading to the optimization of the catalytic performance of introduced dual metal *** a result,this obtained optimal catalyst integrated the advantages of exposed bimetallic CoMn species and N-doped thin carbon to deliver excellent catalytic PMS activation performance and photothermal synergetic catalytic mineralization ability for diversiform *** reactions condition controls and anion interference studies were conducted to identify the adaptability of the optimal ***,the application of solar-driven interfacial water evaporation using optimal SiO_(2)@Co_3Mn_1/C-600 catalyst was explored,showing a high water evaporation rate of 1.48 kg·m^(-2)·h^(-1)and an efficiency of 95.2%,further revealing a comprehensive governance functionality of obtained material in the complex pollution condition.

关键词： Photothermal Peroxymonosulfate(PMS)activation Bimetallic synergy water evaporation Advanced oxidation process

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Composite laminar membranes for electricity generation from water evaporation

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Nano Research 2024年第1期17卷 307-311页

作者： Xiao Wang Gang Yuan Han Zhou Yu Jiang Shuo Wang Jiaojiao Ma Chongyang Yang Sheng Hu State Key Laboratory of Physical Chemistry of Solid Surfaces Collaborative Innovation Center of Chemistry for Energy Materials(iChEM)College of Chemistry and Chemical EngineeringXiamen UniversityXiamen 361005China Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province(IKKEM) Xiamen 361005China Pen-Tung Sah Institute of Micro-Nano Science and Technology Xiamen UniversityXiamen 361005China

Harvesting clean energy from water evaporation has been extensively investigated due to its *** achieve high efficiency,energy conversion materials should contain multiple features which are difficult to be simultaneously obtained from single-component *** we use composite laminar membranes assembled by nanosheets of graphene oxide and mica,and find a sustained power density induced by water evaporation that is two orders of magnitude larger than that from membranes made by either of the *** power output is attributed to selective proton transport driven by water evaporation through the interlayer nanochannels in the *** process relies on the synergistic effects from negatively charged and hydrophilic mica surfaces that are important for proton selectivity and water transport,and the tunable electrical conductivity of graphene oxide that provides optimized internal *** demonstrated composite membranes offer a strategy of enhancing power generation by combining the advantages from each of their components.

关键词： graphene oxide mica water evaporation electrical double layer surface charge ion selectivity

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Hybrid hydrovoltaic electricity generation driven by water evaporation

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Nano Research Energy 2024年第2期3卷 47-55页

作者： Xuemei Li Gu Feng Yiding Chen Jidong Li Jun Yin Wei Deng Wanlin Guo State Key Laboratory of Mechanics and Control of Mechanical Structures Key Laboratory for Intelligent Nano Materials and Devices of the Ministry of EducationInstitute for Frontier ScienceNanjing University of Aeronautics and AstronauticsNanjing 210016China College of Material Science and Engineering Nanjing University of Aeronautics and AstronauticsNanjing 210016China College of Aerospace Engineering Nanjing University of Aeronautics and AstronauticsNanjing 210016China

water evaporation is a ubiquitous natural process exploiting thermal energy from ambient *** technologies emerged in recent years offer one prospective route to generate electricity from water evaporation,which has long been ***,we developed a hybrid hydrovoltaic generator driven by natural water evaporation,integrating an“evaporation motor”with an evaporation-electricity device and a droplet-electricity device.A rotary motion of the“evaporation motor”relies on phase change of ethanol driven by water-evaporation induced temperature *** motion enables the evaporation-electricity device to work under a beneficial water-film operation mode to produce output of~4 V and~0.2μA,as well as propels the droplet-electricity device to convert mechanical energy into pulsed output of~100 V and~0.2 *** different types of hydrovoltaic devices require distinctive stimuli,it was challenging to make them work simultaneously,especially under one single driving *** here for the first time empower two types of hydrovoltaic devices solely by omnipresent water ***,this work presents a new pathway to exploiting water evaporation-associated ambient thermal energy and provides insights on developing hybrid hydrovoltaic generators.

关键词： hybrid hydrovoltaic generator ambient thermal energy evaporation motor water evaporation

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Recentadvancesincarbon‐basedmaterials for solar‐driven interfacial photothermal conversion water evaporation:Assemblies,structures,applications,and prospective

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Carbon Energy 2023年第11期5卷 101-142页

作者： Yanmin Li Yanying Shi Haiwen Wang Tiefeng Liu Xiuwen Zheng Shanmin Gao Jun Lu Department of Chemistry Key Laboratory of Functional Nanomaterials and Technology in Universities of ShandongSchool of Chemistry&Chemical EngineeringLinyi UniversityLinyiChina Department of Chemistry School of Chemical EngineeringDalian University of TechnologyDalianChina Center for Advanced Materials Research College of Materials Science and EngineeringZhejiang University of TechnologyHangzhouChina Department of Chemical Engineering College of Chemical and Biological EngineeringZhejiang UniversityHangzhouChina

The shortage of fresh water in the world has brought upon a serious crisis to human health and economic ***‐driven interfacial photothermal conversion water evaporation including evaporating seawater,lake water,or river water has been recognized as an environmentally friendly process for obtaining clean water in a low‐cost ***,water transport is restricted by itself by solar energy absorption capacity's limits,especially for finite evaporation rates and insufficient working ***,it is important to seek photothermal conversion materials that can efficiently absorb solar energy and reasonably design solar‐driven interfacial photothermal conversion water evaporation *** paper reviews the research progress of carbon‐based photothermal conversion materials and the mechanism for solar‐driven interfacial photothermal conversion water evaporation,as well as the summary of the design and development of the *** on the research progress and achievements of photothermal conversion materials and devices in the fields of seawater desalination and photothermal electric energy generation in recent years,the challenges and opportunities faced by carbon‐based photothermal conversion materials and devices are *** prospect of the practical application of solar‐driven interfacial photothermal conversion evaporation technology is foreseen,and theoretical guidance is provided for the further development of this technology.

关键词： applications carbon‐based materials evaporator photothermal conversion water evaporation

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Simulation-Guided Design of Bamboo Leaf-Derived Carbon-Based High-Efficiency Evaporator for Solar-Driven Interface water evaporation

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Energy & Environmental Materials 2022年第4期5卷 1323-1331页

作者： Yitian Wu Rui Kong Chaoliang Ma Lanze Li Yu Zheng Yingzhuo Lu Lulu Liang Yajun Pang Qiang Wu Zhehong Shen Hao Chen College of Chemistry and Materials Engineering Zhejiang Provincial Collaborative Innovation Center for Bamboo Resources and High-Efficiency UtilizationNational Engineering and Technology Research Center of Woodbased Resources Comprehensive UtilizationKey Laboratory of Wood Science and Technology of Zhejiang ProvinceZhejiang A&F UniversityHangzhou 311300China

Solar interface water evaporation has been demonstrated to be an advanced method for freshwater production with high solar energy *** development of evaporators with lower cost and higher efficiency is a key challenge in the manufacture of practical solar interface water evaporation ***,a bamboo leaf-derived carbon-based evaporator is designed based on the light trace *** then,it is manufactured by vertical arrangement and carbonization of bamboo leaves and subsequent polyacrylamide *** vertically arranged carbon structure can extend the light path and increase the light-absorbing area,thus achieving excellent light ***,the continuous distribution of polyacrylamide hydrogel between these vertical carbons can support high-speed water delivery and shorten the evaporation ***,this evaporator exhibits an ultrahigh average light absorption rate of~96.1%,a good water evaporation rate of 1.75 kg m^(-2) h^(-1),and an excellent solar-to-vapor efficiency of 91.9%under one sun ***,the device based on this evaporator can effectively achieve seawater desalination,heavy metal ion removal,and dye separation while completing water *** this device is highly available for actual outdoor applications and repeated recycling.

关键词： bamboo leaf carbon materials desalination waste water treatment water evaporation

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Integrating reduced graphene oxides and PPy nanoparticles for enhanced electricity from water evaporation

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International Journal of Smart and Nano Materials 2023年第2期14卷 230-242页

作者： Bingkun Tian Xiaofeng Jiang Weicun Chu Chunxiao Zheng Wanlin Guo Zhuhua Zhang State Key Laboratory of Mechanics and Control for Aerospace Structures Key Laboratory for Intelligent Nano Materials and Devices of Ministry of Educationand Institute for Frontier ScienceNanjing University of Aeronautics and AstronauticsNanjingChina

Developing high-performance nanostructured materials is key to deliver the potential of hydrovoltaic technology into practical *** single-component materials have approached its limit in generating hydrovoltaic electricity,the development of multi-component hydrovoltaic materials has been necessary in continuously boosting the electricity ***,we report a hydrovoltaic material by integrating reduced graphene oxides and polypyrrole nanoparticles(rGO/PPy),where the rGO contributes improved conductivity and large specific surface area while PPy nanoparticles enable enhanced interaction with *** device fabricated with this material generates a short-circuit current of 6μA as well as a maximum power density of over 1μW/cm3 from natural evaporation of *** the substantial ion-PPy interaction enables robust voltage generation from evaporation of various salt ***,an outstanding scaling ability is demonstrated by connecting 10 devices in series that generate a sustainable voltage of up to~2.5 V,sufficing to power many commercial devices,*** bulb and LCD screen.

关键词： Hydrovoltaic generator water evaporation reduced graphene oxide Ppy nanoparticles

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In situ Reduction of Silver Nanoparticles on Chitosan Hybrid Copper Phosphate Nanoflowers for Highly Efficient Plasmonic Solar-driven Interfacial water evaporation

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Journal of Bionic Engineering 2021年第1期18卷 30-39页

作者： Mei Zhang Wanghuai Xu Minfei Li Jiaqian Li Peng Wang Zuankai Wang Department of Mechanical Engineering City University of Hong KongHong Kong999077China Department of Civil and Environmental Engineering the Hong Kong Polytechnic UniversityHong Kong999077China

The development of water purification device using solar energy has received tremendous *** extensive progress,traditional photothermal conversion usually has a high cost and high environmental *** overcome this problem,we develop a low cost,durable and environmentally friendly solar *** bilayered evaporator is constructed with a thermal insulating polyvinylidene fluoride(PVDF)membrane as a bottom supporting layer and plasmonic silver nanoparticles decorated miero-sized hybrid flower(Ag/MF)as a top light-to-heat conversion *** with the sample with a flat silver film,the two-tier Ag/MF has a plasmonic enrichment property and high efficiency in converting the solar light to hcat as cach flower can gencrate a microscale hotspot by enriching the absorbed solar *** the other hand,the PVDF membrane on the bottom with porous structure not only improves the mechanicalstability of the entire structure,but also maintains a stable water supply from the bulk water to the evaporation interface by capillarity and minimizes the thermal *** combination of excellent water evaporation ability simple operation,and low cost of the production process imparts this type of plasmonic enhanced solar-driven interfacial water evaporator with promising prospects for potable water purification for point-of-use applications.

关键词： bionic plasmonic water evaporation synergistic effect Ag NPs hybrid flower

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Effects of mixed-based biochar on water infiltration and evaporation in aeolian sand soil

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Journal of Arid Land 2022年第4期14卷 374-389页

作者： ZOU Yiping ZHANG Shuyue SHI Ziyue ZHOU Huixin ZHENG Haowei HU Jiahui MEI Jing BAI Lu JIA Jianli School of Chemical&Environmental Engineering China University of Mining and Technology(Beijing)Beijing 100083China State Key Laboratory of water Resource Protection and Utilization in Coal Mining Beijing 102211China National Institute of Clean-and-Low-Carbon Energy Beijing 102211China

Aeolian sandy soil in mining areas exhibits intense evaporation and poor water retention *** study was designed to find a suitable biochar application method to improve soil water infiltration and minimize soil water evaporation for aeolian sand *** the indoor soil column method,we studied the effects of three application patterns(A(0-20 cm was a mixed sample of mixed-based biochar and soil),B(0-10 cm was a mixed sample of mixed-based biochar and soil and 10-20 cm was soil),and C(0-10 cm was soil and 10-20 cm was a mixed sample of mixed-based biochar and soil)),four application amounts(0%(control,CK),1%,2%,and 4%of mixed-based biochar in dry soil),and two particle sizes(0.05-0.25 mm(S1)andwater infiltration and evaporation of aeolian sandy *** separately used five infiltration models(the Philip,Kostiakov,Horton,USDA-NRCS(United States Department of Agriculture-Natural Resources Conservation Service),and Kostiakov-Lewis models)to fit cumulative infiltration and *** with CK,the application of mixed-based biochar significantly reduced cumulative soil water *** application patterns A,B,and C,the higher the application amount and the finer the particle size were,the lower the migration speed of the wetting *** the same application amount,cumulative soil water infiltration under application pattern A was the *** infiltration for 10 min as an example,the reductions of cumulative soil water infiltration under the treatments of A2%(S2),A4%(S1),A4%(S2),A1%(S1),C2%(S1),and B1%(S1)were higher than 30%,which met the requirements of loess soil hydraulic parameters suitable for plant *** five infiltration models well fitted the effects of the treatments of application pattern C and S1 particle size(R2>0.980),but the R2 values of the Horton model exceeded 0.990 for all treatments(except for the treatment B2%(S2)).Compared with CK,all other treatments reduced cumulative soil

关键词： biochar water infiltration water evaporation aeolian sand soil mining areas

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Influence of water evaporation on Airway Surface upon Temperature Distribution in Strata Rock

Influence of Water Evaporation on Airway Surface upon Temper...

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2004安全科学与技术国际会议

作者： GAO Jianliang1 YANG Ming1 & LI Zhending2 (1 Department of Resources and Materials Engineering Henan Polytechnic University Jiaozuo 454000 Henan China) (2 Mine 5 Pingdingshan Coal Co. Ltd Pingdingshan 467000 Henan China)

Heat-transfer model has been established with taking consider of the water evaporation on an airway surface. The influence of water evaporation on airway surface upon the temperature distribution of s

关键词： water evaporation airway surface temperature surrounding rock

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evaporation of nanoscale water on solid surfaces

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Chinese Physics B 2020年第12期29卷 1-4页

作者：万荣正方海平 Division of Interfacial water and Key Laboratory of Interfacial Physics and Technology Shanghai Advanced Research InstituteChinese Academy of SciencesShanghai 201210China Department of Physics East China University of Science and TechnologyShanghai 200237China

The evaporation of water is essential in the macroscopic *** researches show that,on solid surfaces,the evaporation of nanoscale water is quite different from that on bulk water *** this review,we show the theoretical progress in the study of nanoscale water evaporation on various solid surfaces:the evaporation rate of nanoscale water does not show a monotonic decrease when the solid surface changes from hydrophobic to hydrophilic;the evaporation of nanoscale water on hydrophobic-hydrophilic patterned surfaces is unexpectedly faster than that on uniform surface;the evaporation of nanoscale water on patterned graphene oxide is faster than that on homogeneous one;how temperature affects the evaporation of nanoscale water on solid surface;how ions affect the evaporation of nanoscale water on graphene oxide.

关键词： water evaporation nanoscale solid surface

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