Simultaneous oxidation of alcohols and hydrogen evolution in a hybrid system under visible light irradiation

Li, Fēi; Wang, Yong; Du, Jian; Zhu, Yong; Xu, Congying; Sun, Licheng

doi:10.1016/j.apcatb.2017.11.072

Cited by 77 publications

(43 citation statements)

References 38 publications

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“…The effect of light was also tested and, after irradiation for 15h with visible light in the absence of catalyst or oxidizing agent, the conversion values for the oxidation of alcohols were below 5 %. In all the catalytic essays, the expected aldehyde or ketone was detected as unique product of the oxidation reaction, and the selectivity achieved was above 99 %, similar to that displayed by other compounds described in the literature …”

Section: Electrochemical Propertiessupporting

confidence: 79%

A Ruthenium(II) Aqua Complex as Efficient Chemical and Photochemical Catalyst for Alkene and Alcohol Oxidation

et al. 2019

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Different synthetic routes have been developed to obtain the aqua complex trans‐[RuII(trpy)(pypz‐H)(OH2)](PF6)2, Ru6. This complex, together with the chlorido intermediate complexes cis‐ and trans‐[RuIICl(pypz‐H)(trpy)]+, Ru5a and Ru5b, have been fully characterized by analytical, spectroscopic, and electrochemical methods. Furthermore, the trans‐Ru5b complex has been characterized in the solid state through single‐crystal X‐ray diffraction analysis. The aqua complex Ru6 was tested as catalyst in the photooxidation of alcohols in water and in the chemical oxidation of alkenes, displaying a good performance with high selectivity values in both catalytic processes.

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Section: Electrochemical Propertiessupporting

confidence: 79%

A Ruthenium(II) Aqua Complex as Efficient Chemical and Photochemical Catalyst for Alkene and Alcohol Oxidation

et al. 2019

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“…It is worth noting that benzylamine was almost completely oxidized with 98.3% N-BB selectivity, which surpassed most of the photocatalytic results in the literature. [13,[42][43][44] It is much superior to CIS without SIC on the surface, in terms of hydrogen evolution rate and benzylamine conversion (Table 1, entry 2). Without suspended Ni 2 + ions inside the anionic MOF pores, the photocatalytic reaction could not be efficiently prompted by CIS@MIL-53-SO 3 Li with 22.0% BzNH 2 conversion and low H 2 evolution rate (156 μmol g À 1 h À 1 ) (Table 1 Conv.…”

Section: Resultsmentioning

confidence: 99%

Photocatalytic Hydrogen Evolution Coupled with Production of Highly Value‐Added Organic Chemicals by a Composite Photocatalyst CdIn₂S₄@MIL‐53‐SO₃Ni_1/2

Zhang

Zhan

Liu

et al. 2021

Chemistry An Asian Journal

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Photocatalytic water splitting coupled with the production of highly value-added organic chemicals is of significant importance, which represents a very promising pathway for transforming green solar energy into chemical energy. Herein, we report a composite photocatalyst CdIn 2 S 4 @MIL-53-SO 3 Ni 1/2 , which is highly efficient on prompting water splitting for the production of H 2 in the reduction half-reaction and selective oxidation of organic molecules for the production of highly value-added organic chemicals in the oxidation half-reaction under visible light irradiation. The superior photocatalytic properties of the composite photocatalyst CdIn 2 S 4 @MIL-53-SO 3 Ni 1/2 should be ascribed to coating suspended ion catalyst (SIC), consisting of redox-active Ni II ions in the anionic pores of coordination network MIL-53-SO 3 À , on the surface of photoactive CdIn 2 S 4 , which endows photogenerated electron-hole pairs separate more efficiently for high rate production of H 2 and selective production of highly value-added organic products, demonstrating great potential for practical applications.

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“…The CdS@MoS 2 heterostructure demonstrated an excellent hydrogen production rate of 9033 μmol g −1 h −1 with 1.0 mmol of benzyl alcohol. Compared with previous reports [15,[40][41][42][43][44] (Table S1), CdS@MoS 2 has a relatively high photocatalytic activity, which is mainly due to the formation of Recycling tests were carried out to explore the stability of the CdS@MoS 2 composite. Although the photocatalytic activity of the CdS@MoS 2 photocatalyst decreased after five cycles, it was still much higher than that of bare CdS nanorods (Fig.…”

Section: Photocatalytic Activity Of the Cds@mos 2 Photocatalystmentioning

confidence: 89%

Visible-light-driven photocatalytic hydrogen production coupled with selective oxidation of benzyl alcohol over CdS@MoS2 heterostructures

Zhao

Yan

et al. 2020

Sci. China Mater.

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Photocatalytic hydrogen production coupled with selective oxidation of organic substrates to produce highvalue-added fine chemicals has drawn increasing attention. Herein, we report a noble metal-free photocatalyst for the highly efficient and simultaneous generation of hydrogen and the selective oxidation of benzyl alcohol into benzaldehyde over CdS@MoS 2 heterostructures under visible light. Without the need for a sacrificial agent, CdS@MoS 2 displayed an excellent hydrogen production rate of 4233 μmol g −1 h −1 with 0.3 mmol benzyl alcohol, which is approximately 53 times higher than that of bare CdS nanorods (80 μmol g −1 h −1). The reaction system was highly selective for the oxidation of benzyl alcohol into benzaldehyde. When the amount of benzyl alcohol increased to 1.0 mmol, the hydrogen production reached 9033 μmol g −1 h −1. Scanning electron microscopy and transmission electron microscopy images revealed that p-type MoS 2 sheets with a flower-like structure closely adhered to n-type semiconductor CdS nanorods through the formation of a p-n heterojunction. As a potential Z-scheme photocatalyst, the CdS@MoS 2 heterostructure effectively produces and separates electron-hole pairs under visible light. Thus, the electrons are used for reduction to generate hydrogen, and the holes oxidize benzyl alcohol into benzaldehyde. Moreover, a mechanism of photogenerated charge transfer and separation was proposed and verified by photoluminescence, electrochemical impedance spectroscopy, photocurrent and Mott-Schottky measurements. The results reveal that the CdS@MoS 2 heterojunctions have rapid and efficient charge separation and transfer, thereby greatly improving benzyl alcohol dehy-drogenation. This work provides insight into the rational design of high-performance Z-scheme photocatalysts and the use of holes and electrons to obtain two valuable chemicals simultaneously.

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Simultaneous oxidation of alcohols and hydrogen evolution in a hybrid system under visible light irradiation

Cited by 77 publications

References 38 publications

A Ruthenium(II) Aqua Complex as Efficient Chemical and Photochemical Catalyst for Alkene and Alcohol Oxidation

A Ruthenium(II) Aqua Complex as Efficient Chemical and Photochemical Catalyst for Alkene and Alcohol Oxidation

Photocatalytic Hydrogen Evolution Coupled with Production of Highly Value‐Added Organic Chemicals by a Composite Photocatalyst CdIn₂S₄@MIL‐53‐SO₃Ni_1/2

Visible-light-driven photocatalytic hydrogen production coupled with selective oxidation of benzyl alcohol over CdS@MoS2 heterostructures

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Simultaneous oxidation of alcohols and hydrogen evolution in a hybrid system under visible light irradiation

Cited by 77 publications

References 38 publications

A Ruthenium(II) Aqua Complex as Efficient Chemical and Photochemical Catalyst for Alkene and Alcohol Oxidation

A Ruthenium(II) Aqua Complex as Efficient Chemical and Photochemical Catalyst for Alkene and Alcohol Oxidation

Photocatalytic Hydrogen Evolution Coupled with Production of Highly Value‐Added Organic Chemicals by a Composite Photocatalyst CdIn2S4@MIL‐53‐SO3Ni1/2

Visible-light-driven photocatalytic hydrogen production coupled with selective oxidation of benzyl alcohol over CdS@MoS2 heterostructures

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Photocatalytic Hydrogen Evolution Coupled with Production of Highly Value‐Added Organic Chemicals by a Composite Photocatalyst CdIn₂S₄@MIL‐53‐SO₃Ni_1/2