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The Tsinghua University–University of Waterloo Joint Research Center for Micro/Nano Energy & Environment Technology (JCMEET) is a platform. It was established on Nov.11, 2017. The Chairperson of University Council of Tsinghua University, Dr. Xu Chen, and the President of the University of Waterloo, Dr. Feridun Hamdullahpur, attended the opening ceremony and unveiled the nameplate for the joint research center on 29th of March, 2018. The research center serves as a platform for researchers at both universities to conduct joint research in the targeted areas, and to meet regularly for information exchange, talent exchange, and knowledge mobilization, especially in the fields of micro/nano, energy, and environmental technologies. The center focuses on three main interests: micro/nano energy technology, micro/nano pollution control technology, and relevant fundamental research. In order to celebrate the first anniversary of the Joint Research Center, we were invited to serve as the Guest Editors of this Special Issue of Materials focusing on the topic of micro/nano-materials for clean energy and environment. It collects research papers from a broad range of topics related to micro/nanostructured materials aimed at future energy resources, low emission energy conversion, energy storage, energy efficiency improvement, air emission control, air monitoring, air cleaning, and many other related applications. This Special Issue provides an opportunity and example for the international community to discuss how to actively address the energy and environment issues that we are facing.

air filtration --- airborne nanoparticle --- particle concentration --- nanofibers --- cellulose nanofiber --- Lyocell fiber --- PM2.5 --- filter paper --- submicro-fiber --- airborne dust --- engine filtration --- loading performance --- potassium-based adsorbent --- load modification --- CO2 adsorption --- failure --- kinetics --- microscopic characteristics --- CaO --- As2O3 --- DFT --- adsorption --- oxygen carrier --- multiscale model --- product island --- oxidation kinetics --- thermal energy storage (TES) --- phase change material (PCM) --- building materials --- passive building systems --- mortar --- concrete --- flame synthesis --- flame stabilizing on a rotating surface (FSRS) --- rotational speed --- particle deposition --- Karlovitz number --- Limestone --- particle size --- sulfation --- TGA --- model --- nanoparticles --- nanoplates --- spectral blue shift --- amalgam --- water quality --- shale --- permeability measurement --- pressure decay method

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This book, a collection of 12 original contributions and 4 reviews, provides a selection of the most recent advances in the preparation, characterization, and applications of polymeric nanocomposites comprising nanoparticles. The concept of nanoparticle-reinforced polymers came about three decades ago, following the outstanding discovery of fullerenes and carbon nanotubes. One of the main ideas behind this approach is to improve the matrix mechanical performance. The nanoparticles exhibit higher specific surface area, surface energy, and density compared to microparticles and, hence, lower nanofiller concentrations are needed to attain properties comparable to, or even better than, those obtained by conventional microfiller loadings, which facilitates processing and minimizes the increase in composite weight. The addition of nanoparticles into different polymer matrices opens up an important research area in the field of composite materials. Moreover, many different types of inorganic nanoparticles, such as quantum dots, metal oxides, and ceramic and metallic nanoparticles, have been incorporated into polymers for their application in a wide range of fields, ranging from medicine to photovoltaics, packaging, and structural applications.

fabrication --- multielectrode array (MEA) --- PDMS --- PDMS etching --- plateau-shaped electrode --- recessed electrode --- spinal cord signal recording --- underexposure --- organosilane --- quartz microcrystal --- encapsulant --- refractive index --- thermal conductivity --- poly(dimethylsiloxanes) --- surface modification --- nanosilica --- diethyl carbonate --- carbon content --- morphology --- coatings --- fillers --- hybrid hydrogel --- MAPOSS --- mechanical properties --- swelling --- drug release --- dental resin --- methacryl POSS --- shrinkage --- hardness --- scratch resistance --- ceramizable silicone rubber --- borate --- halloysite --- composite --- ceramizable mechanism --- polysiloxanes --- mortar --- basalt fibre --- roughness --- surface free energy --- poly(ethylene glycol) (PEG) --- hydrophilic --- non-releasable --- polydimethylsiloxane --- coatings --- cross-linking --- surface --- amphiphilic --- anti-bioadhesion --- hyperbranched poly(methylhydrosiloxanes) --- hydrolytic polycondensation --- 29Si-NMR --- topology of polysiloxane chains --- polyhedral oligomeric silsesquioxanes --- high molecular weight --- nanoparticles --- PDMS --- sugar templating process --- 3D porous network --- thermal stability --- TG-FTIR --- X-ray (Micro-CT) microtomography --- sol-gel --- hybrids --- chlorogenic acid --- bioactivity --- FTIR --- TG --- polysiloxanes --- theranostics --- drug delivery --- nanomedicine --- PDMS --- silicon --- ultraviolet (UV) curable coatings --- low surface energy materials --- fluorinated siloxane resin

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Construction materials are the most widely used materials for civil infrastructure in our daily lives. However, from an environmental point of view, they consume a huge amount of natural resources and generate the majority of greenhouse gasses. Therefore, many new and novel technologies for designing environmentally friendly construction materials have been developed recently. This Special Issue, “Environment-Friendly Construction Materials”, has been proposed and organized as a means to present recent developments in the field of construction materials. It covers a wide range of selected topics on construction materials.

Ca-alginate microcapsules --- microfluidic --- self-healing --- bitumen --- mineral-asphalt mixtures --- aggregate from sanitary ceramic wastes --- environmentally friendly construction materials --- diatomite --- styrene–butadiene–styrene (SBS) modified bitumen --- diatomite-modified asphalt mixture --- road engineering --- fatigue life --- three-point bending fatigue test --- asphalt mixture --- plateau value of permanent deformation ratio --- damage evolution --- fatigue equation --- ultraviolet radiation --- bitumen --- aging depth --- transmittance --- permeation --- expanded graphite --- polyethylene glycol --- phase change materials --- titanate coupling agent --- molecular bridge --- building envelopes --- thermal property --- building energy conservation --- reclaimed asphalt pavement --- recycling --- epoxidized soybean oil --- rejuvenator --- diffusing --- asphalt pavement --- fatigue property --- pavement failure --- long-term field service --- asphalt mixture --- microwave heating --- induction heating --- effective heating depth --- induced healing --- initial self-healing temperature --- asphalt mastic --- flow behavior index --- steel slag --- limestone --- aggregate morphology --- aggregate image measurement system --- micro-surfacing --- skid-resistance --- surface texture --- asphalt --- water solute exposure --- aqueous solute compositions --- chemical evolutions --- rheological properties --- polyacrylic acid --- fluidity --- rheology --- adsorption --- combination --- cement emulsified asphalt mixture --- fatigue performance --- thickness combinations --- X-ray computed tomography --- artificial neural network --- crumb rubber --- high-strength concrete --- damping --- dynamic moduli --- railway application --- recycled material --- recycling --- sanitary ceramics --- concrete --- recycling aggregate --- asphalt mixture --- basalt fiber --- response surface methodology --- design optimization --- fluorescence spectrum --- bitumen --- ageing --- parametrization --- “blue-shift” --- asphalt --- asphalt mortar --- healing agents --- crack healing --- healing model --- ultra-thin wearing course --- self-healing --- induction heating --- steel fiber --- steel slag --- rankinite --- carbonation --- waste concrete --- CO2 --- aged bitumen --- rejuvenator --- solubilizer --- colloidal structure --- micro-morphology --- granite aggregate --- desulphurization gypsum residues --- rubber modified asphalt --- asphalt mixture --- pavement performance --- limestone aggregates --- emulsified asphalt --- demulsification speed --- surface energy --- specific surface area --- artificially aged asphalt mixture --- rejuvenator --- durability --- dynamic characteristics --- overlay tester --- energy-based approach --- dissipated strain energy --- plateau value of dissipated strain energy ratio --- fatigue life --- three-point bending fatigue test --- amorphous silica --- crystallization sensitivity --- water-leaching pretreatment --- rice husk ash --- cement --- crumb rubber --- anti-rutting agent --- flexibility --- field evaluation --- asphalt mixes --- aggregate characteristics --- simplex lattice design --- viscoelastic properties --- asphalt combustion --- flame retardant --- aluminum hydroxide --- layered double hydroxide --- asphalt mixture --- viscoelastic properties --- creep --- relaxation --- aggregates --- morphology --- crumb rubber powder --- SBS/CRP-modified bitumen --- aging processes --- temperature sensitivity characteristics --- diatomite --- basalt fiber --- asphalt mixture --- low-temperature --- damage constitutive model --- graphene --- nitrogen and phosphorus removal --- MDA --- SOD --- sequencing batch Chlorella reactor --- SEM --- thermal–mechanical properties --- bio-oil --- regeneration --- aged asphalt --- molecular dynamic simulation --- viscoelasticity --- nanomaterial --- hydrophobic nanosilica --- hydrophilic nanosilica --- laboratory evaluation --- diatomite --- basalt fiber --- compound modify --- asphalt mixture --- asphalt mixture --- basalt fiber --- freeze-thaw cycle --- damage characteristics --- high-modulus asphalt mixture (HMAM) --- dynamic tests --- viscoelasticity --- dynamic responses --- resistance to deformations --- tensile strains --- tensile stresses --- sensitivity analysis --- hot mix asphalt containing recycled concrete aggregate --- contact angle --- adhesion energy --- water stability --- fatigue performance --- self-compacting concrete (SCC) --- rheology --- workability --- pozzolanic reaction --- microstructure --- Ultra-High Performance Concrete (UHPC) --- long-term drying shrinkage --- hydration characteristic --- porous pumice --- optimization --- engineered cementitious composites (ECC) --- polyvinyl alcohol --- fiber modification --- mechanical behavior --- self-healing --- asphalt --- rejuvenation --- calcium alginate capsules --- asphalt-aggregate adhesion --- plant ash lixivium --- stripping test --- contact angle --- interfacial transition zone --- SBS-modified bitumen --- rejuvenating systems --- physical properties --- viscous-elastic temperature --- rutting factor --- vibration noise consumption --- cold recycled asphalt mixture --- reclaimed asphalt pavement --- mastic --- rheological properties --- emulsified asphalt --- cement --- construction materials --- fatigue life --- ageing resistance --- modified asphalt materials --- rejuvenator --- self-healing asphalt --- recycling --- cold recycled asphalt mixture --- ultra-high performance concrete

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Construction materials are the most widely used materials for civil infrastructure in our daily lives. However, from an environmental point of view, they consume a huge amount of natural resources and generate the majority of greenhouse gasses. Therefore, many new and novel technologies for designing environmentally friendly construction materials have been developed recently. This Special Issue, “Environment-Friendly Construction Materials”, has been proposed and organized as a means to present recent developments in the field of construction materials. It covers a wide range of selected topics on construction materials.

Ca-alginate microcapsules --- microfluidic --- self-healing --- bitumen --- mineral-asphalt mixtures --- aggregate from sanitary ceramic wastes --- environmentally friendly construction materials --- diatomite --- styrene–butadiene–styrene (SBS) modified bitumen --- diatomite-modified asphalt mixture --- road engineering --- fatigue life --- three-point bending fatigue test --- asphalt mixture --- plateau value of permanent deformation ratio --- damage evolution --- fatigue equation --- ultraviolet radiation --- bitumen --- aging depth --- transmittance --- permeation --- expanded graphite --- polyethylene glycol --- phase change materials --- titanate coupling agent --- molecular bridge --- building envelopes --- thermal property --- building energy conservation --- reclaimed asphalt pavement --- recycling --- epoxidized soybean oil --- rejuvenator --- diffusing --- asphalt pavement --- fatigue property --- pavement failure --- long-term field service --- asphalt mixture --- microwave heating --- induction heating --- effective heating depth --- induced healing --- initial self-healing temperature --- asphalt mastic --- flow behavior index --- steel slag --- limestone --- aggregate morphology --- aggregate image measurement system --- micro-surfacing --- skid-resistance --- surface texture --- asphalt --- water solute exposure --- aqueous solute compositions --- chemical evolutions --- rheological properties --- polyacrylic acid --- fluidity --- rheology --- adsorption --- combination --- cement emulsified asphalt mixture --- fatigue performance --- thickness combinations --- X-ray computed tomography --- artificial neural network --- crumb rubber --- high-strength concrete --- damping --- dynamic moduli --- railway application --- recycled material --- recycling --- sanitary ceramics --- concrete --- recycling aggregate --- asphalt mixture --- basalt fiber --- response surface methodology --- design optimization --- fluorescence spectrum --- bitumen --- ageing --- parametrization --- “blue-shift” --- asphalt --- asphalt mortar --- healing agents --- crack healing --- healing model --- ultra-thin wearing course --- self-healing --- induction heating --- steel fiber --- steel slag --- rankinite --- carbonation --- waste concrete --- CO2 --- aged bitumen --- rejuvenator --- solubilizer --- colloidal structure --- micro-morphology --- granite aggregate --- desulphurization gypsum residues --- rubber modified asphalt --- asphalt mixture --- pavement performance --- limestone aggregates --- emulsified asphalt --- demulsification speed --- surface energy --- specific surface area --- artificially aged asphalt mixture --- rejuvenator --- durability --- dynamic characteristics --- overlay tester --- energy-based approach --- dissipated strain energy --- plateau value of dissipated strain energy ratio --- fatigue life --- three-point bending fatigue test --- amorphous silica --- crystallization sensitivity --- water-leaching pretreatment --- rice husk ash --- cement --- crumb rubber --- anti-rutting agent --- flexibility --- field evaluation --- asphalt mixes --- aggregate characteristics --- simplex lattice design --- viscoelastic properties --- asphalt combustion --- flame retardant --- aluminum hydroxide --- layered double hydroxide --- asphalt mixture --- viscoelastic properties --- creep --- relaxation --- aggregates --- morphology --- crumb rubber powder --- SBS/CRP-modified bitumen --- aging processes --- temperature sensitivity characteristics --- diatomite --- basalt fiber --- asphalt mixture --- low-temperature --- damage constitutive model --- graphene --- nitrogen and phosphorus removal --- MDA --- SOD --- sequencing batch Chlorella reactor --- SEM --- thermal–mechanical properties --- bio-oil --- regeneration --- aged asphalt --- molecular dynamic simulation --- viscoelasticity --- nanomaterial --- hydrophobic nanosilica --- hydrophilic nanosilica --- laboratory evaluation --- diatomite --- basalt fiber --- compound modify --- asphalt mixture --- asphalt mixture --- basalt fiber --- freeze-thaw cycle --- damage characteristics --- high-modulus asphalt mixture (HMAM) --- dynamic tests --- viscoelasticity --- dynamic responses --- resistance to deformations --- tensile strains --- tensile stresses --- sensitivity analysis --- hot mix asphalt containing recycled concrete aggregate --- contact angle --- adhesion energy --- water stability --- fatigue performance --- self-compacting concrete (SCC) --- rheology --- workability --- pozzolanic reaction --- microstructure --- Ultra-High Performance Concrete (UHPC) --- long-term drying shrinkage --- hydration characteristic --- porous pumice --- optimization --- engineered cementitious composites (ECC) --- polyvinyl alcohol --- fiber modification --- mechanical behavior --- self-healing --- asphalt --- rejuvenation --- calcium alginate capsules --- asphalt-aggregate adhesion --- plant ash lixivium --- stripping test --- contact angle --- interfacial transition zone --- SBS-modified bitumen --- rejuvenating systems --- physical properties --- viscous-elastic temperature --- rutting factor --- vibration noise consumption --- cold recycled asphalt mixture --- reclaimed asphalt pavement --- mastic --- rheological properties --- emulsified asphalt --- cement --- construction materials --- fatigue life --- ageing resistance --- modified asphalt materials --- rejuvenator --- self-healing asphalt --- recycling --- cold recycled asphalt mixture --- ultra-high performance concrete