1
|
Li W, Li J, Ma H, Xiong R, Fang P, Pan C, Wei J. Efficient spatial separation of charge carriers over Sv-ZnIn 2S 4/NH 2-MIL-88B(Fe) S-scheme heterojunctions for enhanced photocatalytic H 2 evolution and antibiotics removal performance. J Colloid Interface Sci 2024; 657:728-737. [PMID: 38071821 DOI: 10.1016/j.jcis.2023.12.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 11/30/2023] [Accepted: 12/01/2023] [Indexed: 01/02/2024]
Abstract
The exploration of highly efficient sunlight-assisted photocatalyst for photodegradation of organic contaminants or energy conversion is strongly encouraged. In this work, we designed a novel three-dimensional spindle-like Sv-ZIS@NMFe heterojunction made of amino functionalized NH2-MIL-88B(Fe) (NMFe) and ZnIn2S4 nanosheets with abundant sulfur vacancies (Sv-ZIS). The structural properties of NMFe materials, such as a clearly defined system of pores and cavities, were retained by the Sv-ZIS@NMFe composites. Additionally, the incorporation of sulfur vacancies, -NH2 functional groups, and well-matched energy level positions led to various synergistic effects that considerably enhanced internal electron transformation and migration, as well as improved adsorption performance. Consequently, under visible light irradiation, the optimized sample exhibited superior hydrogen production activity and tetracycline hydrochloride photodegradation performance. At last, density functional theory calculations was used to further elucidated the possible photoreactivity mechanism. This study demonstrates that the Sv-ZIS@NMFe heterojunction materials formed by ZnIn2S4 with suitable sulfur vacancies and amino functionalized Fe-MOFs have promising applications in photocatalysis.
Collapse
Affiliation(s)
- Wei Li
- Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education, and School of Physics and Technology, Wuhan University, Wuhan 430072, China
| | - Jiajun Li
- Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education, and School of Physics and Technology, Wuhan University, Wuhan 430072, China
| | - Hongyu Ma
- Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education, and School of Physics and Technology, Wuhan University, Wuhan 430072, China
| | - Rui Xiong
- Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education, and School of Physics and Technology, Wuhan University, Wuhan 430072, China
| | - Pengfei Fang
- Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education, and School of Physics and Technology, Wuhan University, Wuhan 430072, China
| | - Chunxu Pan
- Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education, and School of Physics and Technology, Wuhan University, Wuhan 430072, China
| | - Jianhong Wei
- Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education, and School of Physics and Technology, Wuhan University, Wuhan 430072, China.
| |
Collapse
|
2
|
Wu G, Liu Q, Ma L, Tian L, Ran J, Pan Y, Han J, Xing W. The promoted organic pollutant and visible-light-driven photocatalytic degradation efficiency of MIL-101(Fe)/Bi2WO6 Z-scheme heterojunction assisting and mechanism. Colloids Surf A Physicochem Eng Asp 2023. [DOI: 10.1016/j.colsurfa.2022.130413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
|
3
|
Huang X, He ZL, Chen Y, Xu Q, Zhu M, Zhai C. Self-standing three-dimensional PdAu nanoflowers for plasma-enhanced photo-electrocatalytic methanol oxidation with a CO-free dominant mechanism. J Colloid Interface Sci 2022; 625:850-858. [DOI: 10.1016/j.jcis.2022.06.108] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 06/16/2022] [Accepted: 06/21/2022] [Indexed: 01/19/2023]
|
4
|
Yao S, Chang LP, Guo GC, Wang YJ, Tian ZY, Guo S, Lu TB, Zhang ZM. Microenvironment Regulation of {Co 4IIO 4} Cubane for Syngas Photosynthesis. Inorg Chem 2022; 61:13058-13066. [PMID: 35838661 DOI: 10.1021/acs.inorgchem.2c01359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
It is a great challenging task for selectivity control of both CO2 photoreduction and water splitting to produce syngas via precise microenvironment regulation. Herein, a series of UiO-type Eu-MOFs (Eu-bpdc, Eu-bpydc, Rux-Eu-bpdc, and Rux-Eu-bpydc) with different surrounding confined spaces were designed and synthesized. These photosensitizing Rux-Eu-MOFs were used as the molecular platform to encapsulate the [CoII4(dpy{OH}O)4(OAc)2(H2O)2]2+ (Co4) cubane cluster for constructing Co4@Rux-Eu-MOF (x = 0.1, 0.2, and 0.4) heterogeneous photocatalysts for efficient CO2 photoreduction and water splitting. The H2 and CO yields can reach 446.6 and 459.8 μmol·g-1, respectively, in 10 h with Co4@Ru0.1-Eu-bpdc as the catalyst, and their total yield can be dramatically improved to 2500 μmol·g-1 with the ratio of CO/H2 ranging from 1:1 to 1:2 via changing the photosensitizer content in the confined space. By increasing the N content around the cubane, the photocatalytic performance drops sharply in Co4@Ru0.1-Eu-bpydc, but with an enhanced proportion of CO in the final products. In the homogeneous system, the Co4 cubane was surrounding with Ru photosensitizers via week interactions, which can drive water splitting into H2 with >99% selectivity. Comprehensive structure-function analysis highlights the important role of microenvironment regulation in the selectivity control via constructing homogeneous and heterogeneous photocatalytic systems. This work provides a new insight for engineering a catalytic microenvironment of the cubane cluster for selectivity control of CO2 photoreduction and water splitting.
Collapse
Affiliation(s)
- Shuang Yao
- Institute for New Energy Materials & Low Carbon Technologies, School of Chemistry and Chemical Engineering, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, P. R. China
| | - Lu-Ping Chang
- Institute for New Energy Materials & Low Carbon Technologies, School of Chemistry and Chemical Engineering, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, P. R. China
| | - Guang-Chen Guo
- Institute for New Energy Materials & Low Carbon Technologies, School of Chemistry and Chemical Engineering, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, P. R. China
| | - Yu-Jie Wang
- Institute for New Energy Materials & Low Carbon Technologies, School of Chemistry and Chemical Engineering, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, P. R. China
| | - Zhi-Yuan Tian
- Institute for New Energy Materials & Low Carbon Technologies, School of Chemistry and Chemical Engineering, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, P. R. China
| | - Song Guo
- Institute for New Energy Materials & Low Carbon Technologies, School of Chemistry and Chemical Engineering, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, P. R. China
| | - Tong-Bu Lu
- Institute for New Energy Materials & Low Carbon Technologies, School of Chemistry and Chemical Engineering, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, P. R. China
| | - Zhi-Ming Zhang
- Institute for New Energy Materials & Low Carbon Technologies, School of Chemistry and Chemical Engineering, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, P. R. China
| |
Collapse
|
5
|
Song Q, Li J, Zhang B, Li H, Liu X. Controlling the D-band for improved oxygen evolution performance in Ni modulated ultrafine Co nanoparticles embedded in Nitrogen-doped carbon microspheres. J Colloid Interface Sci 2022; 623:44-53. [PMID: 35561575 DOI: 10.1016/j.jcis.2022.04.152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Revised: 04/21/2022] [Accepted: 04/26/2022] [Indexed: 10/18/2022]
Abstract
Despite the challenges on tuning the d-band structure of transition metals, the d-band is of great importance for promoting the interaction between catalytic and intermediates during the oxygen evolution reaction (OER) process. Herein, ultrafine Co nanoparticles embedded in the surface layer of nitrogen-doped carbon microspheres are prepared through an in-situ co-coordination strategy, and its d-band is modulated by introducing different Ni amounts. The introduction of Ni in the Co crystal lattice can tune the d-band center and unpaired electrons, which collectively result in an enhancement of OER activity and kinetics. By investigating the catalysts with Ni content from 0% to 75%, it is concluded that the catalyst with 25% Ni shows optimal OER activity, lower overpotential (285 mV at 10 mA cm-2) and higher current densities (73.75 mA cm-2 at 1.63 V). Moreover, the good stability is also demonstrated with the negligible decrease on current densities after 3000 CV cycles or 100 h of continuous test in alkaline media. This concept of modulating the d-band structure by introducing a transition metal with different contents in another transition metal crystal lattice could present an alternative pathway to the development of highly active catalytic materials for OER and beyond.
Collapse
Affiliation(s)
- Qianqian Song
- Country School of Materials Science and Engineering, Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Junqi Li
- Country School of Materials Science and Engineering, Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Beiyi Zhang
- Country School of Materials Science and Engineering, Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Hu Li
- Country School of Materials Science and Engineering, Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Xiaoxu Liu
- Country School of Materials Science and Engineering, Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials, Shaanxi University of Science and Technology, Xi'an 710021, China.
| |
Collapse
|
6
|
Label-Free ZnIn2S4/UiO-66-NH2 Modified Glassy Carbon Electrode for Electrochemically Assessing Fish Freshness by Monitoring Xanthine and Hypoxanthine. CHEMOSENSORS 2022. [DOI: 10.3390/chemosensors10050158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
Considering that simultaneous detection of xanthine (XA) and hypoxanthine (HXA) has been proved to be a reliable and feasible method for assessing fish freshness, a novel electrochemical sensing platform based on the ZnIn2S4/UiO-66-NH2 modified glassy carbon electrode (GCE) was constructed in this study for XA and HXA determination. X-ray powder diffraction (XRD), X-ray photoelectron spectroscopy (XPS), transmission electron microscopy (TEM), and Fourier transform infrared spectroscopy (FT-IR) were performed to exhibit the morphology and structural characteristics of ZnIn2S4/UiO-66-NH2. The Brunauer–Emmett–Teller (BET) displayed that the introduction of UiO-66-NH2 can improve the specific surface area of the hybrid. Besides, the electrochemical sensing performance of ZnIn2S4/UiO-66-NH2 was evaluated by cyclic voltammetry (CV) and differential pulse voltammetry (DPV). For simultaneously detecting XA and HXA, the fabricated electrochemical sensor shows wide linear ranges (0.025–40 µM and 0.3–40 µM) with low detection limits (0.0083 µM and 0.1 µM). This sensor also has 96–103% recovery in detecting XA and HXA content in large yellow croaker meat samples, demonstrating a promising application in the marine food industry.
Collapse
|