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Upcycling Polypropylene into Carbon-based Nanomaterials
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Fig. 1. Scheme on invention: from polypropylene pellets to carbon-based nanomaterials with graphitic structure. Left: PP raw materials. Right: X-ray photoelectron spectroscopy of PP, graphite, and CDs from different reaction temperature. Inset: 6.5 μm * 5.25 μm image of carbon dots under dark-field scattering mode with microscopy....
Published: 6/13/2024
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Inventor(s): Yongqi Yang, Deirdre O'carroll
Keywords(s):
Category(s): Technology Classifications > Physical Sciences & Engineering, Technology Classifications > Polymers/Composites/Materials
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Stable phosphorescent OLEDs for lighting applications
Novel OLEDs with higher photoluminescence stability
Invention Summary:
Organic light-emitting diodes (OLEDs) are an emerging display and lighting technology, especially for large area and architectural lighting. Phosphorescent OLEDs are very energy efficient, besides, they don’t suffer from the “green gap” in their emitting spectra...
Published: 6/13/2024
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Inventor(s): Deirdre O'carroll
Keywords(s): LEDs, Photonics and photovoltaics
Category(s): Technology Classifications > Electronics/Semiconductor, Technology Classifications > Polymers/Composites/Materials, Technology Classifications > Physical Sciences & Engineering
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Metallic and Partially-Oxidized Metallic Plasmonic Electrodes for Inverted Bulk Heterojunction Photovoltaics
Invention Summary:
The demand to find novel sources of clean, renewable energy has grown significantly over the past several decades. One promising source of renewable energy is in the form of photovoltaic (PV) cells - devices that convert sunlight into electricity. Traditionally, inorganic semiconducting materials are used to create the p-n junction...
Published: 12/4/2024
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Inventor(s): Deirdre O'carroll, Christopher Petoukhoff, Divya Vijapurapu
Keywords(s): Photonics and photovoltaics
Category(s): Technology Classifications > Physical Sciences & Engineering, Technology Classifications > Electronics/Semiconductor, Technology Classifications > Polymers/Composites/Materials
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