One-step synthesis of metallic Bi deposited Bi2WO6 nanoclusters for enhanced photocatalytic performance: An experimental and DFT study

Liu, Jiayou; Wang, Teng; Nie, Qianqian; Hu, Lizhen; Cui, Yunpei; Tan, Zhongchao; Yu, Hesheng

doi:10.1016/j.apsusc.2021.149970

Cited by 40 publications

(23 citation statements)

References 60 publications

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“…[ 18,19 ] However, UiO‐66, as a photocatalyst with a wide band gap (around 4.0 eV), [ 2 ] responds only to ultraviolet light, which accounts for 4% of the solar energy. [ 11 ]…”

Section: Introductionmentioning

confidence: 99%

Microwave‐Assisted Rapid Substitution of Ti for Zr to Produce Bimetallic (Zr/Ti)UiO‐66‐NH₂ with Congenetic “Shell–Core” Structure for Enhancing Photocatalytic Removal of Nitric Oxide

Liu

Huang

Jia

et al. 2023

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Efficient nitric oxide (NO) removal without nitrogen dioxide (NO2) emission is desired for the control of air pollution. Herein, a series of (Zr/Ti)UiO‐66‐NH2 with congenetic shell–core structure, denoted as Ti‐UION, are rapidly synthesized by microwave‐assisted post‐synthetic modification for NO removal. The optimal Ti‐UION (i.e., 2.5Ti‐UION) exhibits the highest activity of 80.74% without NO2 emission with moisture, which is 21.65% greater than that of the UiO‐66‐NH2. The NO removal efficiency of 2.5Ti‐UION further increases to 95.92% without photocatalyst deactivation under an anhydrous condition. This is because selectively produced NO2 in photocatalysis is completely adsorbed into micropores, refreshing active sites for subsequent reaction. In addition, the enhanced photocatalytic activity after Ti substitution is due to the presence of Ti electron acceptor, the potential difference between the shell and core of Ti‐UION crystal, and the high conductivity of TiO units. Additionally, the improved adsorption of gas molecules not only favors NO oxidation, but also avoids the emission of NO2. This work provides a feasible strategy for rapid metal substitution in metal‐organic frameworks and insights into enhanced NO photodegradation.

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“…[ 18,19 ] However, UiO‐66, as a photocatalyst with a wide band gap (around 4.0 eV), [ 2 ] responds only to ultraviolet light, which accounts for 4% of the solar energy. [ 11 ]…”

Section: Introductionmentioning

confidence: 99%

Microwave‐Assisted Rapid Substitution of Ti for Zr to Produce Bimetallic (Zr/Ti)UiO‐66‐NH₂ with Congenetic “Shell–Core” Structure for Enhancing Photocatalytic Removal of Nitric Oxide

Liu

Huang

Jia

et al. 2023

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“…Nevertheless, the ·OH generation by TMP (1:1)–TiO 2 could not be obtained through Equations (2) and (3), due to its VB edge potential being more negative than the reduction potential of OH − /·OH (1.99 eV) and H 2 O/·OH (2.3 eV) [ 60 ]. The RhB degradation was also inhibited by MeOH, but the inhibitory effect was weaker than that with pBQ.…”

Section: Resultsmentioning

confidence: 99%

Modulation of the Structure of the Conjugated Polymer TMP and the Effect of Its Structure on the Catalytic Performance of TMP–TiO2 under Visible Light: Catalyst Preparation, Performance and Mechanism

et al. 2023

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The photocatalytic activity of titanium dioxide (TiO2) is largely hindered by its low photoresponse and quantum efficiency. TiO2 modified by conjugated polymers (CPs) is considered a promising approach to enhance the visible light responsiveness of TiO2. In this work, in order to investigate the effect of CP structural changes on the photocatalytic performance of TiO2 under visible light, trimesoyl chloride–melamine polymers (TMPs) with different structural characteristics were created by varying the parameters of the polymerisation process of tricarbonyl chloride (TMC) and melamine (M). The TMPs were subsequently composited with TiO2 to form complex materials (TMP–TiO2) using an in situ hydrothermal technique. The photocatalytic activity of TMP–TiO2 was evaluated by the degradation of rhodamine B (RhB). The results showed that the trend of the structure of the TMP with the reaction conditions was consistent with the visible light responsiveness of TMP–TiO2, and TMP (1:1)–TiO2 had the best photocatalytic activity and could degrade 96.1% of the RhB. In conclusion, our study provided new insights into the influence of the structural changes of TMPs on the photocatalytic activity of TMP–TiO2 under visible light, and it improves our understanding of how conjugated polymers affect the photocatalytic activity of TiO2 under visible light.

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“…It is a semiconductor-based material that can be used for H 2 evolution, 1 CO 2 reduction, 2,3 organic dye degradation, 4 volatile organic compound (VOC) degradation, 5 nitric oxide (NO) conversion, 6 etc. Particularly in the field of NO oxidation, BWO can respond to visible light 7,8 because it possesses a moderate band gap of 2.7 eV, which is less than those of common TiO 2 (3.2 eV) 9 and ZnO (3.37 eV). 10 However, the fast recombination of photogenerated carriers of pure BWO results in a low photocatalytic activity.…”

Section: Introductionmentioning

confidence: 99%

Single Pd atoms supported on ultra-thin bismuth tungstate nanosheets with oxygen vacancies as an efficient photocatalyst

Huang

Nie

et al. 2023

J. Mater. Chem. A

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One-step synthesis of metallic Bi deposited Bi2WO6 nanoclusters for enhanced photocatalytic performance: An experimental and DFT study

Cited by 40 publications

References 60 publications

Microwave‐Assisted Rapid Substitution of Ti for Zr to Produce Bimetallic (Zr/Ti)UiO‐66‐NH₂ with Congenetic “Shell–Core” Structure for Enhancing Photocatalytic Removal of Nitric Oxide

Microwave‐Assisted Rapid Substitution of Ti for Zr to Produce Bimetallic (Zr/Ti)UiO‐66‐NH₂ with Congenetic “Shell–Core” Structure for Enhancing Photocatalytic Removal of Nitric Oxide

Modulation of the Structure of the Conjugated Polymer TMP and the Effect of Its Structure on the Catalytic Performance of TMP–TiO2 under Visible Light: Catalyst Preparation, Performance and Mechanism

Single Pd atoms supported on ultra-thin bismuth tungstate nanosheets with oxygen vacancies as an efficient photocatalyst

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One-step synthesis of metallic Bi deposited Bi2WO6 nanoclusters for enhanced photocatalytic performance: An experimental and DFT study

Cited by 40 publications

References 60 publications

Microwave‐Assisted Rapid Substitution of Ti for Zr to Produce Bimetallic (Zr/Ti)UiO‐66‐NH2 with Congenetic “Shell–Core” Structure for Enhancing Photocatalytic Removal of Nitric Oxide

Microwave‐Assisted Rapid Substitution of Ti for Zr to Produce Bimetallic (Zr/Ti)UiO‐66‐NH2 with Congenetic “Shell–Core” Structure for Enhancing Photocatalytic Removal of Nitric Oxide

Modulation of the Structure of the Conjugated Polymer TMP and the Effect of Its Structure on the Catalytic Performance of TMP–TiO2 under Visible Light: Catalyst Preparation, Performance and Mechanism

Single Pd atoms supported on ultra-thin bismuth tungstate nanosheets with oxygen vacancies as an efficient photocatalyst

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Microwave‐Assisted Rapid Substitution of Ti for Zr to Produce Bimetallic (Zr/Ti)UiO‐66‐NH₂ with Congenetic “Shell–Core” Structure for Enhancing Photocatalytic Removal of Nitric Oxide

Microwave‐Assisted Rapid Substitution of Ti for Zr to Produce Bimetallic (Zr/Ti)UiO‐66‐NH₂ with Congenetic “Shell–Core” Structure for Enhancing Photocatalytic Removal of Nitric Oxide