Facile synthesis of a novel WO3/Ag2MoO4 particles-on-plate staggered type II heterojunction with improved visible-light photocatalytic activity in removing environmental pollutants

Wang, Huanli; Xu, Aidong; Yang, Qin; Tao, Fujun; Ma, Mingliang; Song, Zhiwen; Chen, Xiaobo

doi:10.1039/c9ra07175j

Cited by 23 publications

(2 citation statements)

References 54 publications

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“…The heterojunction offers a potential driving force for reducing the recombination of the photogenerated charge carriers [45]. At present, various WO 3 -based heterojunction photo-catalysts have been reported, such as WO 3 /BiVO 4 [46,47], WO 3 /CdS [48], WO 3 /Ag 2 MoO 4 [49]. The construction of these heterojunctions enhanced the photocatalytic performance at different temperatures.…”

Section: Improved Photocatalytic Performancementioning

confidence: 99%

Excellent optoelectronic applications and electrical transport behavior of the n-WO₃ nanostructures/p-diamond heterojunction: a new perspective

Yao¹,

Sang²,

Duan³

et al. 2021

Nanotechnology

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Nanostructured n-type metal oxides/p-type boron-doped diamond heterojunctions have demonstrated a typical rectification feature and/or negative differential resistance (NDR) potentially applied in wide fields. Recently, the fabrication and electronic transport behavior of n-WO3 nanorods/p-diamond heterojunction at high temperatures were studied by Wang et al (2017 Appl. Phys. Lett. 110 052106), which opened the door for optoelectronic applications that can operate at high-temperatures, high-power, and in various harsh environments. In this perspective, an overview was presented on the future directions, challenges and opportunities for the optoelectronic applications based on the n-WO3 nanostructures/p-diamond heterojunction. We focus, in particular, on the prospects for its high temperature NDR, UV photodetector, field emission emitters, photocatalyst and optical information storage for a wide range of new optoelectronic applications.

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Section: Improved Photocatalytic Performancementioning

confidence: 99%

Excellent optoelectronic applications and electrical transport behavior of the n-WO₃ nanostructures/p-diamond heterojunction: a new perspective

Yao¹,

Sang²,

Duan³

et al. 2021

Nanotechnology

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“…Recently, much attention has been paid to promoting the photocatalytic activity of cube-like WO 3 nanostructure by coupling with noble metal or other semiconductors [16][17][18] . Inspired by this background and current challenge, non-noble metal Cu decorated WO 3 nanocube was designed in this work at room temperature.…”

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confidence: 99%

Facilely Anchoring Cu nanoparticles on WO₃ Nanocubes for Enhanced Photocatalysis through Efficient Interface Charge Transfer

Xiong¹,

Luo²,

Zhao³

et al. 2021

Journal of Inorganic Materials

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Non-noble metal decoration is a promising strategy for promoting semiconductor photocatalysis by effectively enhancing charge separation. Cube-like WO 3-Cu hybrid was successfully synthesized by a facile ascorbic acid reduction method at room temperature. The composition and morphology characterization showed that the Cu particle was deposited on the surface of WO 3 nanocube. The WO 3-Cu-1.0 hybrid (when 1.0 mmol CuSO 4 •5H 2 O was involved into the reaction system) exhibited promoted photocatalytic capability towards Congo Red photodegradation under simulated sun light irradiation. The trapping experiments of active species during photocatalysis and ESR spectra of DMPO•OH signal of WO 3-Cu-1.0 composite confirmed that the photogenerated holes (h +), •OH, and •O 2 were the predominant active species during Conge Red degradation. Based on the photo/electro-chemical measurements, it was proposed that efficient charge transfer was accomplished between the WO 3 nanocube and Cu nanoparticles, which promoted electron-holes separation and subsequently photocatalysis reaction in the Congo Red solution. This work provides a facile preparation method for a binary photocatalyst system in which a semiconductor coupled with non-noble metal.

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Fabrication of Ag₂MoO₄/CuWO₄ Nanocomposite Photocatalyst for the Degradation of Rhodamine‐B

Jatav,

Kumar,

Shrivastava

et al. 2024

ChemistrySelect

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Herein, we investigate the photocatalytic properties of a new Ag2MoO4/CuWO4 composite. Three different composites with 5, 10, and 15 weight percent of fine Ag2MoO4 nanostructures were precipitated on CuWO4 nanoparticles. Given the staggered valence and conduction band positions of the two components, the composite with the 10 % weight percent Ag2MoO4 loading on CuWO4 demonstrated the slowest recombination kinetics. The same composite also exhibited the best photocatalytic degradation of RhB under UV light irradiation. The photocatalytic turnover frequency of this composite was also among the best reported for RhB degradation reported in the literature. Photocatalytic kinetics, active species trapping, and various control experiments were carried out to get an insight into the photocatalytic mechanism. The optimum photocatalyst exhibited its highest activity at pH 3 and a RhB degradation turnover frequency (photocatalytic activity) comparable to the best values reported in the literature.

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Facile synthesis of a novel WO₃/Ag₂MoO₄ particles-on-plate staggered type II heterojunction with improved visible-light photocatalytic activity in removing environmental pollutants

Abstract: A novel WO3/Ag2MoO4 heterojunction was synthesized and it showed excellent photodegradation performance and stability for several sorts of organic pollutants.

Cited by 23 publications

References 54 publications

Excellent optoelectronic applications and electrical transport behavior of the n-WO₃ nanostructures/p-diamond heterojunction: a new perspective

Excellent optoelectronic applications and electrical transport behavior of the n-WO₃ nanostructures/p-diamond heterojunction: a new perspective

Facilely Anchoring Cu nanoparticles on WO₃ Nanocubes for Enhanced Photocatalysis through Efficient Interface Charge Transfer

Fabrication of Ag₂MoO₄/CuWO₄ Nanocomposite Photocatalyst for the Degradation of Rhodamine‐B

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Facile synthesis of a novel WO3/Ag2MoO4 particles-on-plate staggered type II heterojunction with improved visible-light photocatalytic activity in removing environmental pollutants

Abstract: A novel WO3/Ag2MoO4 heterojunction was synthesized and it showed excellent photodegradation performance and stability for several sorts of organic pollutants.

Cited by 23 publications

References 54 publications

Excellent optoelectronic applications and electrical transport behavior of the n-WO3 nanostructures/p-diamond heterojunction: a new perspective

Excellent optoelectronic applications and electrical transport behavior of the n-WO3 nanostructures/p-diamond heterojunction: a new perspective

Facilely Anchoring Cu nanoparticles on WO3 Nanocubes for Enhanced Photocatalysis through Efficient Interface Charge Transfer

Fabrication of Ag2MoO4/CuWO4 Nanocomposite Photocatalyst for the Degradation of Rhodamine‐B

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Facile synthesis of a novel WO₃/Ag₂MoO₄ particles-on-plate staggered type II heterojunction with improved visible-light photocatalytic activity in removing environmental pollutants

Excellent optoelectronic applications and electrical transport behavior of the n-WO₃ nanostructures/p-diamond heterojunction: a new perspective

Excellent optoelectronic applications and electrical transport behavior of the n-WO₃ nanostructures/p-diamond heterojunction: a new perspective

Facilely Anchoring Cu nanoparticles on WO₃ Nanocubes for Enhanced Photocatalysis through Efficient Interface Charge Transfer

Fabrication of Ag₂MoO₄/CuWO₄ Nanocomposite Photocatalyst for the Degradation of Rhodamine‐B