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Full-Text Articles in Chemistry
Uniform Dispersion Of Nanoparticles In Pmma Waveguides For Luminescent Solar Concentrators, Daniel Korus
Uniform Dispersion Of Nanoparticles In Pmma Waveguides For Luminescent Solar Concentrators, Daniel Korus
Scholars Week
With the rise of emissions-related climate change, novel renewable energy sources must be realized. At the same time, evolution of the electric distribution grid away from traditionally large, centralized producers toward smaller, decentralized sources drives the need for next generation technologies that can be more readily integrated into the built environment. Nanocrystal (NC)-doped luminescent solar concentrators (LSCs) are waveguides that absorb diffuse and direct broadband sunlight across their surface and direct narrow-bandwidth, high-brightness light to their edges, for conversion into electricity by coupled, bandgap-matched, photovoltaic (PV) cells. LSCs are insensitive to incident light orientation, partial shading, and can be integrated …
Biodegradable Copolymers Made With Magnesium Complexes, Reile M. Slattery, Joseph M. Fritsch
Biodegradable Copolymers Made With Magnesium Complexes, Reile M. Slattery, Joseph M. Fritsch
Seaver College Research And Scholarly Achievement Symposium
In this study, a bis-ligated magnesium complex was used to initiate the ring opening copolymerization of L-lactide (L-LA) and ϵ-caprolatone (ϵCL) and the isolated polymeric materials were characterized with NMR spectroscopy. First, the simultaneous feeding of both monomers resulted in the synthesis of homopolymer poly-lactic acid (PLA). Polymerization experiments with sequential addition of L-LA and ϵCL yielded surprising results. The ring opening polymerization of ϵCL yielded poly-caprolactone (PCL) which with the addition of L-LA yielded a di-block copolymer of PCL and PLA. The presence of the two homopolymer blocks in the copolymer was identified with 13C NMR where …