Qiaoyue Xi

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Removal of ammonia gas was investigated using a biofilter system packed with small cubes of polyurethane sponge that were coated with a powder mixture of activated carbon and natural zeolite. Experimental tests and measurements include removal efficiency, pH, metabolic products of ammonia and kinetic analysis. A removal efficiency over 90% can be obtained(More)
Herein, we report the performance of CsPbX3 (X = Cl, Br, and I) perovskite quantum dots (QDs) for photocatalytic degradation of organic dyes. The photocatalytic performance of CsPbX3 QDs was characterized by UV-vis absorption spectra and ESI-MS, which evaluated their ability of degrading methyl orange (MO) solution under visible light irradiation.(More)
In this work, PbS/ZnO, CdS/ZnO and CdSe/ZnO hierarchical heterostructures have been successfully synthesized by combining water bath and chemical bath deposition (CBD) methods on indium-doped tin oxide (ITO). Scanning electron microscopy (SEM) results show that quantum dots (QDs) certainly form on the pre-grown ZnO nanorod (NR) and nanotube (NT) arrays. The(More)
In this work, three different CuSCN nanostructures (NSs), hexagonal prism-like (3D), pyramid-like (2D) and nanowire structures (NWs) are first applied to inverted heterojunction perovskite solar cells as p-type inorganic hole transport layers (HTLs) using a moderate electrodeposition method at room temperature. It is revealed that the crystal structure and(More)
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