Results 51 to 60 of about 187,748 (285)

Investigation of Persistent Luminescence of Strontium Aluminate in Polymer Films for Passive Daytime Radiative Cooling Application

open access: yesAdvanced Materials Interfaces, EarlyView.
Persistent Luminescence of doped SrAl2O4:Eu2+, Dy3+ formulated in polymer matrices is a promising solution to be integrated in building envelopes for enhancing Passive Daytime Radiative Cooling. ABSTRACT Persistent Luminescent (PersL) materials have found applications in several fields; their integration into passive daytime radiative cooling systems ...
Roberto Bondi   +5 more
wiley   +1 more source

On the microstructure of ceramic hollow microspheres

open access: yesPeriodica Polytechnica Mechanical Engineering, 2010
Metal matrix syntactic foams (MMSFs) are relatively new materials which have increasing interest in the field of aviation and packaging industry. They are metal matrix composites, and their porosity is ensured by the incorporation of ceramic hollow microspheres.
Imre Orbulov, Kornél Májlinger
openaire   +2 more sources

Solvothermal synthesis, characterization and magnetic properties of α-Fe2O3 and Fe3O4 flower-like hollow microspheres

open access: yes, 2013
The flower-like hollow microspheres of α-Fe2O3 and Fe3O4 have been prepared by a solvothermal combined with heat treatment method. A solvothermal method is adopted to synthesize flower-like hollow microspheres of the ferrous alkoxide precursor.
Zhu, Ying-Jie, Xu, Jingsan, Chen, Feng
core   +1 more source

Sub‐Diffraction and Irreversibly Tunable Imaging With Potato Starch Lenses

open access: yesAdvanced Optical Materials, EarlyView.
Native potato starch granules function as sustainable birefringent microlenses that enable polarization‐controlled conventional and vortex lensing via spin‐to‐orbital angular momentum conversion. They provide sub‐diffraction and spiral‐contrast imaging, support vortex‐array generation with controllable topological‐charge sign, exhibit irreversible ...
Petr Bouchal   +5 more
wiley   +1 more source

Syntactic foams as building materials consisting of inorganic hollow microspheres and starch binder

open access: yes, 2009
Syntactic foams as building materials are studied. Various manufacturing parameters contributing to syntactic foam composition in relation with the ‘pre-mould’ method were identified and inter-related.
Islam, Md Mainul, Kim, Ho Sung
core   +1 more source

Self-templated Synthesis of Nickel Silicate Hydroxide/Reduced Graphene Oxide Composite Hollow Microspheres as Highly Stable Supercapacitor Electrode Material

open access: yesNanoscale Research Letters, 2017
Nickel silicate hydroxide/reduced graphene oxide (Ni3Si2O5(OH)4/RGO) composite hollow microspheres were one-pot hydrothermally synthesized by employing graphene oxide (GO)-wrapped SiO2 microspheres as the template and silicon source, which were prepared ...
Yanhua Zhang   +7 more
doaj   +1 more source

α-Fe2O3 hierarchically hollow microspheres self-assembled with nanosheets: surfactant-free solvothermal synthesis, magnetic and photocatalytic properties

open access: yes, 2011
A surfactant-free solvothermal combined with precursor thermal transformation method has been developed for the preparation of α-Fe2O3 hierarchically hollow microspheres assembled with nanosheets.
Zhu, Ying-Jie   +3 more
core   +1 more source

Waveguide Photoactuators: Materials, Fabrication, and Applications

open access: yesAdvanced Robotics Research, EarlyView.
Waveguide photoactuators convert guided light into mechanical motion. Their tethered‐flexible design enables minimally invasive surgery and confined‐space robotics. This review aims to guide materials selection, device design, and system integration, accelerating the transition of waveguide photoactuators from laboratory prototypes to versatile ...
Minjie Xi   +4 more
wiley   +1 more source

Optimization of hollow salt microspheres using soybean soluble polysaccharides and hydroxypropyl-β-cyclodextrin: Evaluation of salt reduction in dough and bread

open access: yesFood Chemistry: X
This study aimed to prepare hollow salt microspheres using hydroxypropyl-β-cyclodextrin (HP-β-CD) and soybean soluble polysaccharides (SSPS) by spray drying to address the issues of moisture absorption and caking of hollow salt microspheres when using ...
Wanbing Li   +7 more
doaj   +1 more source

Fabrication of Hollow MgFe2O4 Microspheres for High Performance Anode of Lithium Ion Battery

open access: yesInternational Journal of Electrochemical Science, 2018
In this work, spinel MgFe2O4 hollow structural microspheres were fabricated through an environmental friendly hydrothermal carbon templating approach with subsequently annealing process in air, where carbon spheres plays as template to create void space,
Wenhui Liu   +5 more
doaj   +1 more source

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