BioinspiredSpiderSilkFiberofMOF-BasedZwitterionic HydrogelforLow-HumidityAtmosphericWaterHarvesting
作者:HengyuPan,LingmeiZhu,HuijieWei,ChangGao,MaolinZhou,TianceZhang, QiangLuo,BoyangTian,JianhuaWang,Yong
关键字:Water harvesting
论文来源:期刊
具体来源:Adv.Mater. Interfaces2025,12,e00421
发表时间:2025年
Abioinspiredspidersilkfiber(i.e.,PCLC)ispresentedbyintroducingthe
zwitterionichydrogelpoly-[2-(methacryloyloxy)ethyl]dimethyl-(3
sulfopropyl)ammoniumhydroxide(PDMAPS)andCAU-10-Husedascarriers
ofhygroscopicsaltLithiumchloride(LiCl),andtheadditionofcarbonblack
(CB)nanoparticlesmakesthepreparedfibershavephotothermaleffect.PCLC
fiberachievesthemoistureabsorptioncapacityof≈1.49–1.99gg?1after2h
adsorptionat≈40%relativehumidity(RH).ThetemperatureofasinglePCLC
knotcanriseto46.4°Cfor≈3600s,andthetemperatureofabatchofPCLC
spiderknotfiberscanriseto112.1°Cfor≈3600s(under≈1sunillumination),
whichhasexcellentphotothermaleffect.Watercollectionisconductedfor
fiveconsecutivedayswithadailycollectedamountof≈1.87gg?1.ThePCLC
fibershowsgoodwatervaporadsorptionreversibilityafter10consecutive
adsorption-desorptioncycles,themoistureabsorptioncanbestabilizedat
≈1.9gg?1,andthewatervapordesorptioncapacityreaches≈1.73gg?1
(under≈1sunillumination,exhibitingwatervapordesorptionefficiency
of≈92.1%).
https://doi.org/10.1002/admi.202500421