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Title: Heterostructured Nanotetrapod Luminophores for Reabsorption Elimination within Luminescent Solar Concentrators. Author: Gordon CK, Browne LD, Chan S, Brett MW, Zemke-Smith C, Hardy J, Price MB, Davis NJLK. Journal: ACS Appl Mater Interfaces; 2023 Apr 12; 15(14):17914-17921. PubMed ID: 36975316. Abstract: Luminescent solar concentrators (LSCs) concentrate light via luminescence within a planar-waveguide and have potential use for building-integrated photovoltaics. However, their commercialization and potential applications are currently hindered greatly by photon reabsorption, where emitted waveguided light is parasitically reabsorbed by a luminophore. Nanotetrapod semiconductor materials have been theorized to be excellent luminophores for LSCs owing to their inherently large Stokes shifts. Here we present the first nanotetrapod-based LSCs (5 × 5 × 0.3 cm3) reported in the literature. External quantum efficiencies as high as 4.9 ± 0.5% were achieved under AM1.5G conditions. We also perform an in-depth investigation by optical characterization of the different operational metrics of our nanotetrapod-based LSCs and show reabsorption to be eliminated (mean number of average reabsorption events per photon equal to 0.00) in our most extended nanotetrapod devices.[Abstract] [Full Text] [Related] [New Search]