Stable multiphasic 1T/2H MoSe2 nanosheets integrated with 1D sulfide semiconductor for drastically enhanced visible-light photocatalytic hydrogen evolution

Li, Nan; Wu, Jiaojiao; Lu, Yanting; Zhao, Zhijie; Zhang, Hechuan; Li, Xitao; Zheng, Yan‐Zhen; Tao, Xia

doi:10.1016/j.apcatb.2018.07.002

Cited by 127 publications

(58 citation statements)

References 46 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Due to their specific structure and unconventional physicochemical property, 2D nanomaterials have received world-wide of attention for energy storage and conversion 1 , electronics 2 and catalysis 3,4 . In addition to graphene, many novel 2D nanomaterials have been found and researched heavily in recent years 5 , such as transition metal dichalcogenide (TMD) 6,7 , layered double hydroxides (LDHs) 8 and graphene analogues 9,10 . Various 2D composite nanosheets were designed and fabricated via multifarious methods 11 , which exhibit exceptional properties and play important roles in many high-tech fields.…”

Section: Introductionmentioning

confidence: 99%

Emerging WS2/montmorillonite composite nanosheets as an efficient hydrophilic photocatalyst for aqueous phase reactions

Peng

Wang

et al. 2019

Sci Rep

View full text Add to dashboard Cite

Tungsten disulfide (WS2) as one of transition metal dichalcogenides exhibits excellent catalytic activity. However, its catalytic performances in aqueous phase reactions are limited by its hydrophobicity. Here, the natural hydrophilic two-dimensional clay was used to enhance the dispersibility of WS2 in aqueous phase. WS2/montmorillonite (WS2/MMT) composite nanosheets were prepared via hydrothermal synthesis of WS2 on the surface of montmorillonite from WCl6 and CH3CSNH2. The microstructure and morphology show that WS2 nanosheets are assembled parallelly on the montmorillonite with the interface interaction. Through the support of montmorillonite, WS2/MMT possesses higher photocatalytic ability for aqueous phase reactions than WS2, which could be due to the synergistic effect of higher adsorption property, higher hydrophilicity, dispersibility and more catalytic reaction site. The strategy could provide new ideas for obtaining novel hydrophilic photocatalyst with excellent performance.

show abstract

Section: Introductionmentioning

confidence: 99%

Emerging WS2/montmorillonite composite nanosheets as an efficient hydrophilic photocatalyst for aqueous phase reactions

Peng

Wang

et al. 2019

Sci Rep

View full text Add to dashboard Cite

show abstract

“…Very recently, Tao et al synthesized a multiphasic MoSe 2 nanosheet and utilized it as co-catalyst to form photocatalytic heterostructure with CdS nanorods for HER. [14] Patra's group demonstrated that loading CdSe nanoparticles onto CdS nanorods could achieve a high H 2 generation activity. [15] Kim and coworkers prepared an economically viable MoSe 2 -bridged MoS 2 / CdS nanocomposites and found that the photogenerated charge carriers could separate efficiently under the effect of the few-layered MoSe 2 , and the ternary system produced effective H 2 using lactic acid as hole-scavengers under the solar light irradiation.…”

Section: Introductionmentioning

confidence: 99%

“…Very recently, Tao et al . synthesized a multiphasic MoSe 2 nanosheet and utilized it as co‐catalyst to form photocatalytic heterostructure with CdS nanorods for HER . Patra's group demonstrated that loading CdSe nanoparticles onto CdS nanorods could achieve a high H 2 generation activity .…”

Section: Introductionmentioning

confidence: 99%

NiSe₂ as Co‐Catalyst with CdS: Nanocomposites for High‐Performance Photodriven Hydrogen Evolution under Visible‐Light Irradiation

Lin

et al. 2019

ChemPlusChem

View full text Add to dashboard Cite

One‐dimensional NiSe2/CdS nanocomposites (NCs), with NiSe2 nanoparticles (NPs) integrated onto the surface of CdS nanowires (NWs) were designed and fabricated through a two‐step in situ solvothermal method. Density functional theory (DFT) calculations showed that NiSe2 plays an important role in enhancing photocatalystic hydrogen (H2) production when coupled with CdS catalyst, which arises from 1) the contribution of Ni 3d and Se 4p orbitals to the electronic structures and 2) the charge redistribution at the interface region of the heterostructure results in efficient promotion of the charge transfer and separation of the photogenerated electron‐hole pairs. Under visible‐light illumination (λ≥400 nm), the NCs showed improved photocatalytic H2‐generation activity in the presence of lactic acid. The peak value of 7610.1 μmol h−1 g−1 for H2 production was achieved with an apparent quantum efficiency (AQE) of 41.68 % when the Ni/Cd ratio was set to 10 %, which was approximately 48 times higher than that of bare CdS NWs. Photoelectrochemical measurements also confirmed the pivotal role of NiSe2 in the improvement of the H2‐evolution performance of NiSe2/CdS NCs, which is consistent with the DFT investigations.

show abstract

“…Nevertheless, owing to the semiconducting nature of the most stable MoS 2 , MoS 2 is mainly used as main catalysts in photocatalysis to form heterojunction with other semiconductors . Compared with the semiconducting phase MoS 2 (S‐MoS 2 ), metallic phase MoS 2 (M‐MoS 2 ) is metastable but has even higher kinetics for hydrogen evolution reaction . M‐MoS 2 should be an ideal cocatalyst toward hydrogen evolution.…”

Section: Introductionmentioning

confidence: 99%

(TiO₂(B) Nanosheet)/(Metallic Phase MoS₂) Hybrid Nanostructures: An Efficient Catalyst for Photocatalytic Hydrogen Evolution

et al. 2019

View full text Add to dashboard Cite

Developing photocatalysts that can efficiently produce hydrogen from water under solar irradiation is highly desired for sustainable and clean hydrogen energy. Herein, it is demonstrated that (TiO 2 (B) nanosheet)/(metallic phase MoS 2 ) hybrid nanostructures have high activity for photocatalytic hydrogen evolution from water. The TiO 2 (B) nanosheets are prepared by solvothermal reaction with TiCl 3 as a precursor in the presence of ethylene glycol. Due to the short transportation distance of charge carriers, more negative conduction band edge, and the existence of oxygen vacancy, the photocatalytic activity of the pure TiO 2 (B) nanosheets is one order of the magnitude larger than that of the commercial P25. After loading metallic phase MoS 2 , the photocatalytic activity of TiO 2 (B) is further improved by %13 times to 1444 μmol g À1 h À1 because of the superior activity of metallic phase MoS 2 for hydrogen evolution. The findings provide a cost-effective and highly active photocatalyst for hydrogen production from water and are very helpful for the development of sustainable and clean hydrogen energy.

show abstract

Stable multiphasic 1T/2H MoSe2 nanosheets integrated with 1D sulfide semiconductor for drastically enhanced visible-light photocatalytic hydrogen evolution

Cited by 127 publications

References 46 publications

Emerging WS2/montmorillonite composite nanosheets as an efficient hydrophilic photocatalyst for aqueous phase reactions

Emerging WS2/montmorillonite composite nanosheets as an efficient hydrophilic photocatalyst for aqueous phase reactions

NiSe₂ as Co‐Catalyst with CdS: Nanocomposites for High‐Performance Photodriven Hydrogen Evolution under Visible‐Light Irradiation

(TiO₂(B) Nanosheet)/(Metallic Phase MoS₂) Hybrid Nanostructures: An Efficient Catalyst for Photocatalytic Hydrogen Evolution

Contact Info

Product

Resources

About

Stable multiphasic 1T/2H MoSe2 nanosheets integrated with 1D sulfide semiconductor for drastically enhanced visible-light photocatalytic hydrogen evolution

Cited by 127 publications

References 46 publications

Emerging WS2/montmorillonite composite nanosheets as an efficient hydrophilic photocatalyst for aqueous phase reactions

Emerging WS2/montmorillonite composite nanosheets as an efficient hydrophilic photocatalyst for aqueous phase reactions

NiSe2 as Co‐Catalyst with CdS: Nanocomposites for High‐Performance Photodriven Hydrogen Evolution under Visible‐Light Irradiation

(TiO2(B) Nanosheet)/(Metallic Phase MoS2) Hybrid Nanostructures: An Efficient Catalyst for Photocatalytic Hydrogen Evolution

Contact Info

Product

Resources

About

NiSe₂ as Co‐Catalyst with CdS: Nanocomposites for High‐Performance Photodriven Hydrogen Evolution under Visible‐Light Irradiation

(TiO₂(B) Nanosheet)/(Metallic Phase MoS₂) Hybrid Nanostructures: An Efficient Catalyst for Photocatalytic Hydrogen Evolution