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ZnCl2 Enabled Synthesis of Highly Crystalline and Emissive Carbon Dots with Exceptional Capability to Generate O2a??a??
摘要： Highly crystalline and emissive carbon dots (CDs) are ?rstly synthesized via an ionothermal method in organic solvents. ZnCl2 is utilized as the pyrolysis-promoting agent to prepare emissive CDs with tunable wavelengths, directly by carbonization from different O and N precursors under a mild reaction condition. Excellent synthetic yield and photoluminescent quantum yield are obtained. The resulting CDs exhibit excellent capability to photogenerate superoxide radical anion (O2 photooxidative cyclization reactions.
关键词： ZnCl2,photodynamic therapy,carbon dots,photocatalysis,ionothermal synthesis
更新于2025-09-16 10:30:52
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Facile ionothermal synthesis of TiO2 nanorods for photocatalytic H2 generation
摘要： Facile ionothermal method has been employed to synthesize One-dimensional (1-D) mixed phase TiO2 nanorods (NRs) using ionic liquid as the reaction medium. The PXRD pattern reveals the formation of mixed phase TiO2 having 68.3% of anatase and 31.7% rutile phase with average crystallite size of ~ 10?nm. TEM images depict the average thickness of TiO2 NRs are in the range 50–100?nm. The 1-D mixed phase TiO2 NRs showed 5 times better hydrogen production activity than P-25 in the water-glycerol mixture under solar light irradiation. The reason could be the synergetic effect and unique optical properties of 1-D anatase–rutile TiO2 mixed-phase system.
关键词： solar light irradiation,TiO2 nanorods,mixed phase,ionothermal synthesis,photocatalytic H2 generation
更新于2025-09-10 09:29:36