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CityUHK research team addressed a challenge for scientists for over a decade with creative material science solutions. The team demonstrated an effective strategy to enhance the long-term stability of perovskite-organic tandem solar cells, which can be mass-produced at a speed comparable to newspaper printing, with a daily output of up to 1,000 solar panels.
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The Hong Kong Institute for Clean Energy (HKICE) at CityUHK organised the HKICE Summit on Next-Generation Green Energy Materials and Applications, which took place between 13 and 14 June 2024, to explore innovative solutions in green energy production, storage, and utilisation.
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Five research projects from CityUHK were granted funds from the HKSAR Government’s RAISe+ Scheme. This demonstrates CityUHK’s commitment to promoting excellence in high-quality research and innovation, driving the transformation of the University’s world-class scientific research into applications, thereby creating commercial and social value.
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A few years ago, Dr. Chi-on Ng, a graduate of the Department of Chemistry at City University of Hong Kong (CityUHK), together with his team, developed a new type of photo-sensor that can effectively monitor oxygen concentration in seawater and reduce the monitoring cost. The team subsequently established a start-up company called “NerOcean”.
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Zinc-nitrate batteries are a primary non-rechargeable energy storage system that utilizes the redox potential difference between zinc and nitrate ions to store and release electrical energy. A research team co-led by chemists from City University of Hong Kong (CityUHK) have developed a high-performance rechargeable zinc-nitrate/ethanol battery by introducing an innovative catalyst. They successfully designed and synthesized an efficient tetraphenylporphyrin (tpp) modified heterophase rhodium-copper alloy metallene (RhCu M-tpp). This bifunctional catalyst exhibits remarkable capabilities in both the electrocatalytic nitrate reduction reaction (NO3RR) and ethanol oxidation reaction (EOR) in a neutral medium, overcoming the monofunctional limitations of traditional metal-based solid catalysts and providing a valuable reference for the design of sustainable energy storage in the future.
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G-quadruplexes (G4), which are special structures in DNA and RNA that play a crucial role in cells, have been associated with cancers and neurological diseases. A research team from City University of Hong Kong (CityUHK) recently built a new platform to select L-RNA aptamers that can target functional G4 structures. They found an L-RNA aptamer called L-Apt12-6 that binds specifically to a specific topology of G4 structure: parallel G4. The findings may be beneficial for developing new drugs and treatments for G4-related diseases, like cancers.