<i>In situ</i> growth of a heterojunction CdS/TiO<sub>2</sub> nanofiber monolithic photocatalyst sheet for enhanced hydrogen evolution

Li, Wenbo; Zeng, Mingjun; Qi, Chunhong; Wang, Haifeng; Li, Xiaopeng; Xiao, Qi; Luo, Wei

doi:10.1039/d2se01783k

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Sustainable Energy Fuels

2023

DOI: 10.1039/d2se01783k

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In situ growth of a heterojunction CdS/TiO₂ nanofiber monolithic photocatalyst sheet for enhanced hydrogen evolution

Wenbo Li

Mingjun Zeng

Chunhong Qi

et al.

Abstract: Herein, a heterojunction CdS/TiO2 nanofiber monolithic photocatalyst sheet is developed via facile hydrothermal in-situ growth on Ti foil. The CdS species are produced in the form of nanosheets embedded in...

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2024

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Cited by 3 publications

References 41 publications

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Enhanced Photocatalytic Performance of HTO/TiO₂ Composites Prepared by Hydrothermal Soft Chemical Synthesis Under UV Irradiation

Du,

Wu,

Zhou

et al. 2024

ChemistrySelect

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White metatitanic acid H2TiO3 (HTO)/TiO2 composites with co‐exposed [111]‐, {010} and {101} facets were successfully synthesized by employing the white suspension of [TMA+]2[TiO3]2− as the precursor via a hydrothermal soft chemical synthesis method in the presence or absence of 1‐ethyl‐3‐methylimidazolium bromide ([Emim]Br), 4‐bromine imidazole (Bmim) and 1‐methyl‐3‐propylimidazole tetrafluoroborate ([Pmim]BF4) ionic liquids. The structure, morphology, specific surface areas, microstructure, surface properties, and charge migration behaviors of HTO/TiO2 composites vary depending on the selected ionic liquid. The apparent rate constant of the Bmim‐HTO/TiO2 composite was the highest, at 0.0353 min−1, which was approximately 1.35, 1.38, 1.44, 2.67, and 88.25 times higher than that of [Pmim]BF4‐HTO/TiO2 (0.0262 min−1), [Emim]Br‐HTO/TiO2 (0.0256 min−1), No IL‐HTO/TiO2 (0.0245 min−1), CM‐TiO2 (0.0132 min−1) and Blank samples (0.0004 min−1), respectively. Compared with CM‐TiO2 and other HTO/TiO2 samples, the Bmim‐HTO/TiO2 composite featuring cuboid anatase TiO2 nanocrystals with co‐exposed [111]‐facets and {101} facets, exhibited superior photocatalytic activity in degrading methylene blue (MB) under ultraviolet light irradiation. This exceptional performance can be attributed to its cooperative effects, including a larger specific surface area, the co‐exposure of [111]‐ and {101} facets, a suitable heterojunction structure, and the most efficient charge carrier separation. This work introduces a hydrothermal soft chemical process for preparing HTO/TiO2 composite with controllable morphology and co‐exposed reactive facets, which holds promise for practical applications in removing organic pollutants from printing and dyeing wastewater.

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Enhanced Photocatalytic Performance of HTO/TiO₂ Composites Prepared by Hydrothermal Soft Chemical Synthesis Under UV Irradiation

Du,

Wu,

Zhou

et al. 2024

ChemistrySelect

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Study on the preparation of CdS/TiO2 corn straw biochar composite materials for photocatalytic reduction of CO2 and collaborative H2 production

Zhou,

Sun,

Lin

2024

Environ Sci Pollut Res

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Photocatalytic β-O-4 bond cleavage in lignin models and native lignin through CdS integration on titanium oxide photocatalyst under visible light irradiation

Kumar,

Ghalta,

Bal

et al. 2024

Applied Catalysis B: Environment and Energy

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In situ growth of a heterojunction CdS/TiO₂ nanofiber monolithic photocatalyst sheet for enhanced hydrogen evolution

Abstract: Herein, a heterojunction CdS/TiO2 nanofiber monolithic photocatalyst sheet is developed via facile hydrothermal in-situ growth on Ti foil. The CdS species are produced in the form of nanosheets embedded in...

Cited by 3 publications

References 41 publications

Enhanced Photocatalytic Performance of HTO/TiO₂ Composites Prepared by Hydrothermal Soft Chemical Synthesis Under UV Irradiation

Enhanced Photocatalytic Performance of HTO/TiO₂ Composites Prepared by Hydrothermal Soft Chemical Synthesis Under UV Irradiation

Study on the preparation of CdS/TiO2 corn straw biochar composite materials for photocatalytic reduction of CO2 and collaborative H2 production

Photocatalytic β-O-4 bond cleavage in lignin models and native lignin through CdS integration on titanium oxide photocatalyst under visible light irradiation

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In situ growth of a heterojunction CdS/TiO2 nanofiber monolithic photocatalyst sheet for enhanced hydrogen evolution

Abstract: Herein, a heterojunction CdS/TiO2 nanofiber monolithic photocatalyst sheet is developed via facile hydrothermal in-situ growth on Ti foil. The CdS species are produced in the form of nanosheets embedded in...

Cited by 3 publications

References 41 publications

Enhanced Photocatalytic Performance of HTO/TiO2 Composites Prepared by Hydrothermal Soft Chemical Synthesis Under UV Irradiation

Enhanced Photocatalytic Performance of HTO/TiO2 Composites Prepared by Hydrothermal Soft Chemical Synthesis Under UV Irradiation

Study on the preparation of CdS/TiO2 corn straw biochar composite materials for photocatalytic reduction of CO2 and collaborative H2 production

Photocatalytic β-O-4 bond cleavage in lignin models and native lignin through CdS integration on titanium oxide photocatalyst under visible light irradiation

Contact Info

Product

Resources

About

In situ growth of a heterojunction CdS/TiO₂ nanofiber monolithic photocatalyst sheet for enhanced hydrogen evolution

Enhanced Photocatalytic Performance of HTO/TiO₂ Composites Prepared by Hydrothermal Soft Chemical Synthesis Under UV Irradiation

Enhanced Photocatalytic Performance of HTO/TiO₂ Composites Prepared by Hydrothermal Soft Chemical Synthesis Under UV Irradiation