首页|Active and passive modulation of solar light transmittance in a uniquely multifunctional dual-band single molecule for smart window applications
Active and passive modulation of solar light transmittance in a uniquely multifunctional dual-band single molecule for smart window applications
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Functional materials may change color by heat and electricity separately or simultaneously in smart win-dows.These materials have not only demonstrated remarkable potential in the modulation of solar radi-ation but are also leading to the development of indoor environments that are more comfortable and conducive to improving individuals'quality of life.Unfortunately,dual-responsive materials have not received ample research attention due to economic and technological challenges.As a consequence,the broader utilization of smart windows faces hindrances.To address this new generational multi-stimulus responsive chromic materials,our group has adopted a developmental strategy to create a poly(NIPAM)n-HV as a switchable material by anchoring active viologen(HV)onto a phase-changing poly(NIPAM)n-based smart material for better utility and activity.These constructed smart windows facilitate individualistic reversible switching,from a highly transparent state to an opaque state(ther-mochromic)and a red state(electrochromic),as well as facilitate a simultaneous dual-stimuli response reversible switching from a clear transparent state to a fully opaque(thermochromic)and orange(elec-trochromic)states.Absolute privacy can be attained in smart windows designed for exclusive settings by achieving zero transmittance.Each unique chromic mode operates independently and modulates visible and near-infrared(NIR)light in a distinct manner.Hence,these smart windows with thermal and electric dual-stimuli responsiveness demonstrate remarkable heat regulation capabilities,rendering them highly attractive for applications in building facades,energy harvesting,privacy protection,and color display.
Smart windowsThermochromismElectrochromismEnergy savingDual-responsive material
Pooja V.Chavan、Pramod V.Rathod、Joohyung Lee、Sergei V.Kostjuk、Hern Kim
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Department of Energy Science and Technology,Environmental Waste Recycle Institute,Myongji University,Yongin,Gyeonggi-do 17058,Republic of Korea
Department of Chemical Engineering,Myongji University,Yongin,Gyeonggi-do 17058,Republic of Korea
Research Institute for Physical Chemical Problems of the Belarusian State University,Minsk,Belarus
National Research Foundation(NRF)grants funded by the Ministry of EducationRepublic of Korea
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