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Novel III–V multijunction solar cell concentrator devices grown on InP are potential candidates for achieving efficiencies under AM1.5D illumination of over 50%. Controlled fabrication of these structures involves a complete understanding of the interaction of different wet etch chemistries with the numerous combinations of alloys and semiconductor compounds in this material system. Selective etches...
This paper studies T2SL material properties using chemical and structural probes with atomic scale resolution, and transport tools that are particularly sensitive to SRH centers, defect scattering, and surface leakage. Electron beam induced current (EBIC) mapping is being used to identify individual localized recombination centers, which are then probed compositionally with energy dispersive x-ray...
Taking advantage of the high electrostrictive strain and high elastic energy density of a newly developed electrostrictive polymer, modified poly(vinylidene fluoride-trifluoroethylene) [P(VDF-TrFE)] based polymers, a flextensional transducer was designed, and its performance was investigated. The flextensional transducer consists of a multilayer stack made of electrostrictive P(VDF-TrFE) polymer films...
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