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- W2724180745 endingPage "3267" @default.
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- W2724180745 abstract "Sulfur-doped graphene oxide quantum dots (S-GOQDs) were synthesized and investigated for efficient photocatalytic hydrogen generation application. The UV/Vis, FTIR, and photoluminescence spectra of the synthesized S-GOQDs exhibit three absorption bands at 333, 395, and 524 nm, characteristic of C=S and C-S stretching vibration signals at 1075 and 690 cm-1 , and two excitation-wavelength-independent emission signals with maxima at 451 and 520 nm, respectively, confirming the successful doping of S atom into the GOQDs. Electronic structural analysis suggested that the S-GOQDs exhibit conduction band minimum (CBM) and valence band maximum (VBM) levels suitable for water splitting. Under direct sunlight irradiation, an initial rate of 18 166 μmol h-1 g-1 in pure water and 30 519 μmol h-1 g-1 in 80 % ethanol aqueous solution were obtained. Therefore, metal-free and inexpensive S-GOQDs hold great potential in the development of sustainable and environmentally friendly photocatalysts for efficient hydrogen generation from water splitting." @default.
- W2724180745 created "2017-07-14" @default.
- W2724180745 creator A5008872072 @default.
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- W2724180745 creator A5076507451 @default.
- W2724180745 date "2017-08-03" @default.
- W2724180745 modified "2023-10-10" @default.
- W2724180745 title "Sulfur-Doped Graphene Oxide Quantum Dots as Photocatalysts for Hydrogen Generation in the Aqueous Phase" @default.
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