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学者姓名:李旦振

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Ionic liquid-assisted fabrication of metal-organic framework-derived indium oxide/bismuth oxyiodide p-n junction photocatalysts for robust photocatalysis against phenolic pollutants SCIE
期刊论文 | 2022 , 606 , 1261-1273 | JOURNAL OF COLLOID AND INTERFACE SCIENCE
WoS CC Cited Count: 24
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Abstract :

Constructing a p-n heterojunction is a feasible strategy to manipulate the dynamic behaviors of photo-generated carriers through an internal electric field. Herein, a novel highly efficient indium oxide/bismuth oxyiodide (In2O3/BiOI) p-n junction photocatalyst was fabricated using a facile ionic liquid-assisted precipitation method for the first time. The morphologies were modified by adding different amounts of acetic acid solution. Their hierarchical architecture was beneficial for adsorbing contaminants in wastewater, while the in-situ formed p-n heterojunction between BiOI and In2O3 facilitated interfacial charge transfer and improved the quantum efficiency. Their visible light-responsive photocatalytic activities were systematically investigated by photocatalytic o-phenylphenol (OPP) and 4-tert-butylphenol (PTBP) oxidation. The degradation rate of OPP over In2O3/BiOI-2 was up to 5.67 times higher than that for BiOI. The excellent activity of In2O3/BiOI should be attributed to the rapid interfacial charge transfer, depressed carrier recombination, and proper band potentials. Trapping experiments and electron paramagnetic resonance characterizations confirmed the generation of hydroxyl radicals (center dot OH) and superoxide radicals (center dot O-2(-)), which have played a key role in decomposing pollutants. The intermediate products generated during the photocatalytic degradation of OPP were detected and identified by liquid chromatography-mass spectrometry. Meanwhile, their possible molecular structures and degradation pathways have also been inferred. (C) 2021 Elsevier Inc. All rights reserved.

Keyword :

Heterojunction Heterojunction In2O3/BiOI In2O3/BiOI Phenolic pollutants Phenolic pollutants Photocatalyst Photocatalyst Visible light Visible light

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GB/T 7714 Sun, Meng , Li, Fengli , Zhao, Fulei et al. Ionic liquid-assisted fabrication of metal-organic framework-derived indium oxide/bismuth oxyiodide p-n junction photocatalysts for robust photocatalysis against phenolic pollutants [J]. | JOURNAL OF COLLOID AND INTERFACE SCIENCE , 2022 , 606 : 1261-1273 .
MLA Sun, Meng et al. "Ionic liquid-assisted fabrication of metal-organic framework-derived indium oxide/bismuth oxyiodide p-n junction photocatalysts for robust photocatalysis against phenolic pollutants" . | JOURNAL OF COLLOID AND INTERFACE SCIENCE 606 (2022) : 1261-1273 .
APA Sun, Meng , Li, Fengli , Zhao, Fulei , Wu, Tingting , Yan, Tao , Du, Bin et al. Ionic liquid-assisted fabrication of metal-organic framework-derived indium oxide/bismuth oxyiodide p-n junction photocatalysts for robust photocatalysis against phenolic pollutants . | JOURNAL OF COLLOID AND INTERFACE SCIENCE , 2022 , 606 , 1261-1273 .
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Photocatalytic purification of contaminated air in intensive care units by ZnSn(OH)(6) nanoparticles SCIE
期刊论文 | 2021 , 28 (24) , 31770-31777 | ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
WoS CC Cited Count: 2
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Abstract :

The air purification in intensive care units (ICU) involving the removal of smog and volatile organic compounds (VOCs), disinfection, and sterilization are closely linked to important health issues. The environmental photocatalysis technology that could decompose gaseous pollutants into small molecular inorganic substances provides the potential solution. In a chamber of 30-m(3) simulated ICU, photocatalytic purifier with ZnSn(OH)(6) nanoparticles photocatalyst is set up to treat 10 VOCs with concentration below 2 ppm. Compared with regular purifiers of plasma and activated carbon, the present photocatalytic purifier can completely eliminate 10 varieties of low-concentration irritating VOCs without CO production. The continuous tests show that loading of 600 g ZnSn(OH)(6) has capacity to treat large volumes of VOCs and remains high removal efficiencies up to 600-h operation. The results suggest that the photocatalytic purifier could be potentially applied for the treatment of contaminated indoor air particularly ICU. The mechanism of ZnSn(OH)(6) photocatalysis is proposed to interpret the high performance and mineralization of the degradation process.

Keyword :

Air pollution Air pollution CO CO Intensive care unit Intensive care unit Photocatalysis Photocatalysis Volatile organic compounds Volatile organic compounds ZnSn(OH)(6) ZnSn(OH)(6)

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GB/T 7714 Peng, Xinyi , Jiang, Mengmeng , Wang, Xinchen et al. Photocatalytic purification of contaminated air in intensive care units by ZnSn(OH)(6) nanoparticles [J]. | ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH , 2021 , 28 (24) : 31770-31777 .
MLA Peng, Xinyi et al. "Photocatalytic purification of contaminated air in intensive care units by ZnSn(OH)(6) nanoparticles" . | ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH 28 . 24 (2021) : 31770-31777 .
APA Peng, Xinyi , Jiang, Mengmeng , Wang, Xinchen , Li, Danzhen , Sun, Shuhui , Shao, Yu et al. Photocatalytic purification of contaminated air in intensive care units by ZnSn(OH)(6) nanoparticles . | ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH , 2021 , 28 (24) , 31770-31777 .
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Fabrication of MOF-derived tubular In2O3@SnIn4S8 hybrid: Heterojunction formation and promoted photocatalytic reduction of Cr (VI) under visible light SCIE
期刊论文 | 2021 , 596 , 278-287 | JOURNAL OF COLLOID AND INTERFACE SCIENCE
WoS CC Cited Count: 29
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Abstract :

Tubular In2O3@SnIn4S8 hierarchical hybrid photocatalyst was firstly fabricated by a two-step method. The morphology and composition were characterized by scanning electron microscope (SEM), X-ray photoelectron spectroscopy (XPS), and X-ray diffraction (XRD). The XRD results show that the obtained In2O3 microtubes were highly crystallized, while the SnIn4S8 flakes prepared at low temperature were poorly crystallized. The SEM image of the hybrid shows that numerous SnIn4S8 nanoflakes were assembled over the surface of In2O3 microtubes. In2O3 served as dispersing-templates have reduced the agglomeration of SnIn4S8 flakes. Meanwhile, the heterojunctions formed at the interfaces between In2O3 and SnIn4S8 could facilitate the interfacial charge transfer, as well as promote the photocatalytic activity of the hybrid. In the treatment of Cr(VI)-containing wastewater, the In2O3@SnIn4S8 hybrid not only exhibited strong adsorption ability, but also showed remarkably enhanced photocatalytic activity compared with pure SnIn4S8. The photocatalytic reaction constant k for In2O3@SnIn4S8 was approximately 2.54 times higher than that of SnIn4S8. The efficient activity of this hybrid photocatalyst should be ascribed to the promoted separation efficiency of electron/hole pairs, which was proved by the following three-dimensional excitation-emission matrix fluorescence spectra (3D EEMs), photocurrent responds, and EIS characterizations. (C) 2021 Elsevier Inc. All rights reserved.

Keyword :

Cr(VI) reduction Cr(VI) reduction MOF-derived MOF-derived Photocatalysis Photocatalysis Visible light Visible light

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GB/T 7714 Sun, Meng , Li, Fengli , Su, Mingjian et al. Fabrication of MOF-derived tubular In2O3@SnIn4S8 hybrid: Heterojunction formation and promoted photocatalytic reduction of Cr (VI) under visible light [J]. | JOURNAL OF COLLOID AND INTERFACE SCIENCE , 2021 , 596 : 278-287 .
MLA Sun, Meng et al. "Fabrication of MOF-derived tubular In2O3@SnIn4S8 hybrid: Heterojunction formation and promoted photocatalytic reduction of Cr (VI) under visible light" . | JOURNAL OF COLLOID AND INTERFACE SCIENCE 596 (2021) : 278-287 .
APA Sun, Meng , Li, Fengli , Su, Mingjian , Wei, Dong , Yang, Qianqian , Yan, Tao et al. Fabrication of MOF-derived tubular In2O3@SnIn4S8 hybrid: Heterojunction formation and promoted photocatalytic reduction of Cr (VI) under visible light . | JOURNAL OF COLLOID AND INTERFACE SCIENCE , 2021 , 596 , 278-287 .
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CdS quantum dots-decorated InOOH: Facile synthesis and excellent photocatalytic activity under visible light SCIE
期刊论文 | 2021 , 601 , 186-195 | JOURNAL OF COLLOID AND INTERFACE SCIENCE
WoS CC Cited Count: 10
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Abstract :

For the first time, CdS quantum dots (QDs)-decorated InOOH (CdS-In for short) was synthesized by a facile photodeposition method. The experiment results showed that CdS-In samples exhibited excellent activity and stability towards photocatalytic reduction of nitro aromatics. The conversion ratio of 4nitroaniline (4-NA) over CdS-In sample that was prepared with photodeposition time of 120 min (CdSIn-120) reached up to 99.4% under visible light irradiation for 40 min, which was even higher than that achieved over commercial CdS (86.2%). Besides the significant enhancement of visible light absorption, quantum sized CdS were decorated evenly on the surface of InOOH, which was very beneficial for the high activity. Furthermore, the heterogeneous junction formed at the interface of CdS QDs and InOOH can significantly increase the separation efficiency of photogenerated charge carriers. Active species control experiment and electron spin resonance (ESR) technique have proved that photogenerated electrons are the main active species towards photocatalytic reduction of nitro aromatics. It is anticipated that our study would offer meaningful insights for exploring novel InOOH-based visible light photocatalysts towards efficient reduction of nitro aromatics. (c) 2021 Elsevier Inc. All rights reserved.

Keyword :

CdS quantum dots CdS quantum dots InOOH InOOH Nitro aromatics Nitro aromatics Photocatalytic reduction Photocatalytic reduction Visible light Visible light

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GB/T 7714 Wang, Peng , Zhou, Xibin , Shao, Yu et al. CdS quantum dots-decorated InOOH: Facile synthesis and excellent photocatalytic activity under visible light [J]. | JOURNAL OF COLLOID AND INTERFACE SCIENCE , 2021 , 601 : 186-195 .
MLA Wang, Peng et al. "CdS quantum dots-decorated InOOH: Facile synthesis and excellent photocatalytic activity under visible light" . | JOURNAL OF COLLOID AND INTERFACE SCIENCE 601 (2021) : 186-195 .
APA Wang, Peng , Zhou, Xibin , Shao, Yu , Li, Danzhen , Zuo, Zhongfu , Liu, Xuezheng . CdS quantum dots-decorated InOOH: Facile synthesis and excellent photocatalytic activity under visible light . | JOURNAL OF COLLOID AND INTERFACE SCIENCE , 2021 , 601 , 186-195 .
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Regulating charge transfer over 3D Au/ZnO hybrid inverse opal toward efficiently photocatalytic degradation of bisphenol A and photoelectrochemical water splitting SCIE
期刊论文 | 2020 , 393 | CHEMICAL ENGINEERING JOURNAL
WoS CC Cited Count: 82
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Abstract :

Plasmonic photocatalytic degradation and photoelectrochemical water splitting is very promising in the process of ecological environment protection. However, the efficiencies reported are still too low for practical application due to the high recombination of photogenerated electrons and holes, which can be improved by optimizing the design and assembly of highly ordered pore structures. In our work, a composite plasmonic metal/semiconductor photocatalyst, Au/ZnO hybrid inverse-opal nanomaterial (Au/ZnO-IO), was prepared by in-situ grown Au nanoparticles on inner and outer of ZnO framework. The 3D ordered Au/ZnO-IO photocatalyst exhibited excellent photocatalytic activity in bisphenol A degradation and photoelectrochemical water splitting. The improved photoactivities were proved to be caused by the increased light absorption and special charge transfer of photogenerated electrons, which significantly restraint the recombination rate and prolong the lifetime of photoexcited carries. Based on the analysis of active species experiments, photoelectrochemical measurements, energy level of schottky junction and finite-difference time-domain (FDTD) simulations, the degradation mechanism on Au/ZnO-IO nanocomposite was supposed. This work provides insights into the charge transfer regulation by constructing the 3D plasmonic metal/semiconductor inverse-opal photocatalyst and may serve as a promising strategy for photocatalytic degradation of organic pollutants and water splitting.

Keyword :

bisphenol A bisphenol A Hydrogen evolution Hydrogen evolution Photocatalytic degradation Photocatalytic degradation Photoexcited electrons and holes Photoexcited electrons and holes Surface-plasmon resonance Surface-plasmon resonance

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GB/T 7714 Zheng, Xiuzhen , Zhang, Zhuo , Meng, Sugang et al. Regulating charge transfer over 3D Au/ZnO hybrid inverse opal toward efficiently photocatalytic degradation of bisphenol A and photoelectrochemical water splitting [J]. | CHEMICAL ENGINEERING JOURNAL , 2020 , 393 .
MLA Zheng, Xiuzhen et al. "Regulating charge transfer over 3D Au/ZnO hybrid inverse opal toward efficiently photocatalytic degradation of bisphenol A and photoelectrochemical water splitting" . | CHEMICAL ENGINEERING JOURNAL 393 (2020) .
APA Zheng, Xiuzhen , Zhang, Zhuo , Meng, Sugang , Wang, Yaxiao , Li, Danzhen . Regulating charge transfer over 3D Au/ZnO hybrid inverse opal toward efficiently photocatalytic degradation of bisphenol A and photoelectrochemical water splitting . | CHEMICAL ENGINEERING JOURNAL , 2020 , 393 .
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Synthesis of BiPO4 by crystallization and hydroxylation with boosted photocatalytic removal of organic pollutants in air and water SCIE
期刊论文 | 2020 , 399 | JOURNAL OF HAZARDOUS MATERIALS
WoS CC Cited Count: 26
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Abstract :

Environmental photocatlytsis has been considered as a promising alternative strategy to address the current environmental threats and pressures. Fabrication of the photocatalysts with high efficiency, stability and biosafety is the core of photocatalytic applications. Herein, we report a facile approach to synthesize monazite BiPO4 (SHTW) with high crystallization and hydroxylation. The wide bandgap of the SHTW can provide strong redox abilities to produce reactive species and mineralize organic pollutants. Its high crystallinity and dipole moment can promote separation and transportation of the photoexcited electron-hole pairs effectively. In addition, the hydroxylation can produce more highly oxidizing hydroxyl radicals and further improve charge carrier separation. Notably, the hydroxylation can be reborn and the high crystallization can be maintained during photocatalysis. Thus, a virtuous cycle can be established and organic pollutants can be removed efficiently. The mineralization rate of 146.1 mu molg(-1) h(-1) can be obtained on the SHTW for photocatalytic de gradation of benzene, which is about 8.5 times higher than that of the commercial TiO2 (P25). Various dyes, dyes mixture and bisphenol A can all be completely degraded over the SHTW. It shows the potential application and value in environmental governance.

Keyword :

Benzene Benzene BiPO4 BiPO4 Dyes Dyes Organic pollutants Organic pollutants Photocatalytic degradation Photocatalytic degradation

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GB/T 7714 Wang, Yaxiao , Ye, Xiangju , Chen, Gongbin et al. Synthesis of BiPO4 by crystallization and hydroxylation with boosted photocatalytic removal of organic pollutants in air and water [J]. | JOURNAL OF HAZARDOUS MATERIALS , 2020 , 399 .
MLA Wang, Yaxiao et al. "Synthesis of BiPO4 by crystallization and hydroxylation with boosted photocatalytic removal of organic pollutants in air and water" . | JOURNAL OF HAZARDOUS MATERIALS 399 (2020) .
APA Wang, Yaxiao , Ye, Xiangju , Chen, Gongbin , Li, Danzhen , Meng, Sugang , Chen, Shifu . Synthesis of BiPO4 by crystallization and hydroxylation with boosted photocatalytic removal of organic pollutants in air and water . | JOURNAL OF HAZARDOUS MATERIALS , 2020 , 399 .
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Engineering composition-tunable 3D hierarchical bismuth oxyiodides heterojunctions: Ionic liquid-assisted fabrication with strong adsorption ability and enhanced photocatalytic properties SCIE
期刊论文 | 2018 , 233 , 250-259 | APPLIED CATALYSIS B-ENVIRONMENTAL
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Abstract :

In this work, we report the fabrication of composition-tunable heterostructured bismuth oxyiodides photo catalysts using a facile ionic liquid-assisted precipitation method at room temperature. Through elaborately governing the reaction parameters, two groups of bismuth oxyiodide hybrids (Group 1: BiOI/Bi4O5I2, and Group 2: Bi4O5I2/Bi5O7I) with different components were prepared. The DRS spectra shows that the absorption edges of the hybrids were gradually tuned from 550 to 660 nm, which was in accordance with the color gradient from light yellow (Bi5O7I) to brick red (BiOI), The SEM images show that the products mainly exhibited 3D hierarchical architecture, which was beneficial for the adsorption of contaminants over the catalyst's surface. The two groups of heterojunction photocatalysts all exhibited remarkably improved photocatalytic activity in decomposing o-phenylphenol (OPP) and 4-tert-butylphenol (PTBP) under visible light irradiation respect to single phase photocatalyst (BiOI, Bi4O5I2, or Bi5O7I). For BiOI/Bi4O5I2 hybrids, the 55 sample exhibited the optimal activity, which was approximately 5.35 and 1.85 times higher than that of pristine BiOI and Bi4O5I2, respectively. For the second group of Bi4O5I2/Bi5O7I, the optimal activity was observed for 59 hybrid, which was approximately 2.43 and 2.12 times higher than that of bare Bi4O5I2 and Bi5O7I under identical conditions. This activity enhancement should be attributed to the balanced band levels of the components, which facilitates the fast interfacial charge transmigration of photo-generated carriers, resulting in highly promoted charge separation efficiency. This deduction was proved by the photocurrent, electrochemical impedance spectroscopy, and photoluminescence measurements. The possible degradation mechanisms for BiOI/Bi4O5I2 and Bi4O5I2/Bi5O7I hybrids were proposed based on the band potentials and trapping experiment results.

Keyword :

Bismuth oxyiodide hybrids Bismuth oxyiodide hybrids Degradation Degradation Phenolic pollutants Phenolic pollutants Photocatalyst Photocatalyst Visible light Visible light

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GB/T 7714 Sun, Meng , Wei, Qingquan , Shao, Yu et al. Engineering composition-tunable 3D hierarchical bismuth oxyiodides heterojunctions: Ionic liquid-assisted fabrication with strong adsorption ability and enhanced photocatalytic properties [J]. | APPLIED CATALYSIS B-ENVIRONMENTAL , 2018 , 233 : 250-259 .
MLA Sun, Meng et al. "Engineering composition-tunable 3D hierarchical bismuth oxyiodides heterojunctions: Ionic liquid-assisted fabrication with strong adsorption ability and enhanced photocatalytic properties" . | APPLIED CATALYSIS B-ENVIRONMENTAL 233 (2018) : 250-259 .
APA Sun, Meng , Wei, Qingquan , Shao, Yu , Du, Bin , Yan, Tao , Yan, Liangguo et al. Engineering composition-tunable 3D hierarchical bismuth oxyiodides heterojunctions: Ionic liquid-assisted fabrication with strong adsorption ability and enhanced photocatalytic properties . | APPLIED CATALYSIS B-ENVIRONMENTAL , 2018 , 233 , 250-259 .
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New insight into an efficient visible light-driven photocatalytic organic transformation over CdS/TiO2 photocatalysts SCIE
期刊论文 | 2018 , 17 (1) , 51-59 | PHOTOCHEMICAL & PHOTOBIOLOGICAL SCIENCES
WoS CC Cited Count: 42
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Selective transformation of organics by visible-light-driven photocatalysis has been considered as a green and efficient strategy for the synthesis of fine chemicals. Herein, we fabricated mesoporous structured TiO2 with CdS nanoparticles successfully by a photodeposition method. The photocatalytic selective oxidation of benzyl alcohols and reduction of 4-nitroaniline were demonstrated over the as-prepared samples under visible-light irradiation. The CdS-decorated TiO2 with the photodeposition time of 90 min exhibited highest activity, which was higher than that of the commercial CdS, bare TiO2, CdS/P25, and CdS/SiO2. Further experimental results indicated that the higher performance was attributed to the moderate deposition of CdS forming a closely connected heterojunction with TiO2, which promoted the separation of photogenerated electrons and holes. Based on the results of active species detection, possible mechanisms for photocatalytic selective oxidation of benzyl alcohol and reduction of 4-nitroaniline were proposed. Our study may provide guidance for selective transformation of organics via construction of heterojunction photocatalysts.

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GB/T 7714 Hu, Zengzeng , Quan, Huanhuan , Chen, Zhen et al. New insight into an efficient visible light-driven photocatalytic organic transformation over CdS/TiO2 photocatalysts [J]. | PHOTOCHEMICAL & PHOTOBIOLOGICAL SCIENCES , 2018 , 17 (1) : 51-59 .
MLA Hu, Zengzeng et al. "New insight into an efficient visible light-driven photocatalytic organic transformation over CdS/TiO2 photocatalysts" . | PHOTOCHEMICAL & PHOTOBIOLOGICAL SCIENCES 17 . 1 (2018) : 51-59 .
APA Hu, Zengzeng , Quan, Huanhuan , Chen, Zhen , Shao, Yu , Li, Danzhen . New insight into an efficient visible light-driven photocatalytic organic transformation over CdS/TiO2 photocatalysts . | PHOTOCHEMICAL & PHOTOBIOLOGICAL SCIENCES , 2018 , 17 (1) , 51-59 .
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Constructing photocatalyst from beta-Bi2O3 photonic crystals for enhanced photocatalytic performance SCIE
期刊论文 | 2018 , 25 (3) , 677-685 | JOURNAL OF POROUS MATERIALS
WoS CC Cited Count: 10
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Abstract :

Photonic crystals with highly ordered structure have presented a prospective application in the design of photocatalysts. Herein, we fabricated visible-light active beta-Bi2O3 photonic crystals via a modified sandwich infiltration method. By using the acetylacetone-complexed metal ion precursors, pure beta-Bi2O3 photonic crystals with highly ordered structure could be obtained at a calcination temperature of 400 A degrees C. Benefited from the facilitated mass transport in the highly ordered structure, beta-Bi2O3 photonic crystals exhibited higher photocatalytic activity towards organic pollutions degradation than porous beta-Bi2O3 and beta-Bi2O3 nanocrystals. Furthermore, the photonic band gap of beta-Bi2O3 photonic crystals could be modulated to overlap its electronic band gap by changing the macropore diameter into 220 nm. Slow photon effect could be observed over the beta-Bi2O3 photonic crystals with a pore diameter of 220 nm, which enhanced the electronic band gap absorption and further improved the corresponding photocatalytic activity. The enhanced activity stability of beta-Bi2O3 photonic crystals could also be observed. Based on the detection of active species, the degradation mechanism over beta-Bi2O3 photonic crystals was discussed. The fabrication of beta-Bi2O3 photonic crystals in this study provides experimental guidance for developing photonic crystals with enhanced visible light absorption and photocatalytic activities.

Keyword :

beta-Bi2O3 beta-Bi2O3 Degradation Degradation Photocatalysis Photocatalysis Photonic crystal Photonic crystal Slow photon Slow photon Visible light Visible light

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GB/T 7714 Li, Xiaofang , Chen, Zhangsen , Quan, Huanhuan et al. Constructing photocatalyst from beta-Bi2O3 photonic crystals for enhanced photocatalytic performance [J]. | JOURNAL OF POROUS MATERIALS , 2018 , 25 (3) : 677-685 .
MLA Li, Xiaofang et al. "Constructing photocatalyst from beta-Bi2O3 photonic crystals for enhanced photocatalytic performance" . | JOURNAL OF POROUS MATERIALS 25 . 3 (2018) : 677-685 .
APA Li, Xiaofang , Chen, Zhangsen , Quan, Huanhuan , Shao, Yu , Li, Danzhen . Constructing photocatalyst from beta-Bi2O3 photonic crystals for enhanced photocatalytic performance . | JOURNAL OF POROUS MATERIALS , 2018 , 25 (3) , 677-685 .
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Visible-light-induced aerobic oxidation of alcohols in a green catalytic system of carbonate-like species doped TiO2 SCIE
期刊论文 | 2017 , 216 , 88-94 | APPLIED CATALYSIS B-ENVIRONMENTAL
WoS CC Cited Count: 33
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Abstract :

Although all kinds of the promising catalytic approaches have been developed in recent years, pursuing a complete green catalytic system with high efficiency for the production of various aldehydes is still an interesting challenge. Moreover, the low chemo-selectivity or chemical deactivation for particular primary aldehydes with complicated substituent groups, however, is an inevitable bottleneck for achieving industrial application. Here, we construct a new green pathway in which carbonate-like species doped TiO2 (C/T) can function as a photocatalyst to exhibit excellent chemoselectivity and stability toward aerobic oxidation of structurally diverse and dysfunctional alcohols (20 examples) with dimethyl carbonate as a green reaction solvent. The control experiments with various species scavengers reveal the role of the active species in the photocatalytic system, and the ESR results further confirm O2(center dot-) as the dominate oxidative species for the reaction. Through that the plausible reaction mechanism for the photocatalytic selective oxidation of alcohols over the C/T catalysts is proposed. (C) 2017 Elsevier B.V. All rights reserved.

Keyword :

Alcohols Alcohols Carbon-doped TiO2 Carbon-doped TiO2 Dimethyl carbonate Dimethyl carbonate Photocatalysis Photocatalysis Visible light Visible light

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GB/T 7714 Yu, Linhui , Lin, Yangming , Li, Danzhen . Visible-light-induced aerobic oxidation of alcohols in a green catalytic system of carbonate-like species doped TiO2 [J]. | APPLIED CATALYSIS B-ENVIRONMENTAL , 2017 , 216 : 88-94 .
MLA Yu, Linhui et al. "Visible-light-induced aerobic oxidation of alcohols in a green catalytic system of carbonate-like species doped TiO2" . | APPLIED CATALYSIS B-ENVIRONMENTAL 216 (2017) : 88-94 .
APA Yu, Linhui , Lin, Yangming , Li, Danzhen . Visible-light-induced aerobic oxidation of alcohols in a green catalytic system of carbonate-like species doped TiO2 . | APPLIED CATALYSIS B-ENVIRONMENTAL , 2017 , 216 , 88-94 .
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