Optical filters are essential in a wide range of applications,including optical communications,electronics,lighting,optical sensors and photography.This article presents recent work which indicates that optical filter...Optical filters are essential in a wide range of applications,including optical communications,electronics,lighting,optical sensors and photography.This article presents recent work which indicates that optical filters can be created from specialized nanoparticle suspensions.Specifically,this article describes a theoretical optimization process for designing nanofluid-based filters for hybrid solar photovoltaic/thermal(PV/T)applications.This particular application is suitable because nanofluids can be utilized as both volumetric solar absorbers and flowing heat transfer mediums.The nanofluid filters described in this work compare favorably with conventional optical filters for five photovoltaic(PV)cell alternatives:InGaP,CdTe,InGaAs,Si,and Ge.This study demonstrates that nanofluids make efficient,compact and potentially low-cost,spectrally selective optical filters.展开更多
基金RAT and GR gratefully acknowledge the support of the Australian Solar Institute and the UNSW ECR funding scheme.TO gratefully acknowledges support from USA NSF grant CBET-1066705.
文摘Optical filters are essential in a wide range of applications,including optical communications,electronics,lighting,optical sensors and photography.This article presents recent work which indicates that optical filters can be created from specialized nanoparticle suspensions.Specifically,this article describes a theoretical optimization process for designing nanofluid-based filters for hybrid solar photovoltaic/thermal(PV/T)applications.This particular application is suitable because nanofluids can be utilized as both volumetric solar absorbers and flowing heat transfer mediums.The nanofluid filters described in this work compare favorably with conventional optical filters for five photovoltaic(PV)cell alternatives:InGaP,CdTe,InGaAs,Si,and Ge.This study demonstrates that nanofluids make efficient,compact and potentially low-cost,spectrally selective optical filters.
