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Wang S, Zang J, Shi W, Zhou D, Jia Y, Wu J, Yan W, Zhang B, Sun L, Fan K. Simultaneously Improved Activity and Stability for Acidic Water Oxidation of IrRu Oxides by a Dual Role of Tungsten Doping. ACS APPLIED MATERIALS & INTERFACES 2023; 15:59432-59443. [PMID: 38108306 DOI: 10.1021/acsami.3c13619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2023]
Abstract
Acidic oxygen evolution reaction (OER) remains a significant challenge due to the low activity and/or poor stability of the catalysts, even with state-of-the-art catalysts such as IrO2 and RuO2. Herein, we propose a strategy to enhance both the catalytic activity and stability of IrRu oxides for acidic OER by doping non-noble metal W. The W-doped IrRu3Ox (W-IrRu3Ox) undergoes a process of W leaching and reconstruction during the OER, leading to a more uniform distribution of elements, while the electronegative nature of W influences the electronic structures of Ir and Ru in W-IrRu3Ox. The dual role of W in promoting the formation of active site Ir5+ and inhibiting the concentration of soluble Ru>4+ ions results in a synergistic enhancement of both the activity and stability of acidic OER. Remarkably, W-IrRu3Ox exhibits outstanding catalytic activity for the OER in 0.5 M H2SO4, with a high stability of more than 500 h. This work presents a novel and feasible strategy for the development of efficient and stable catalysts for acid OER, shedding light on the design of advanced electrocatalysts for energy conversion and storage applications.
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Affiliation(s)
- Simeng Wang
- State Key Laboratory of Fine Chemicals, Institute of Artificial Photosynthesis, DUT-KTH Joint Education and Research Centre on Molecular Devices, Frontier Science Center for Smart Materials, Institute for Energy Science and Technology, Dalian University of Technology, 116024 Dalian, China
| | - Jianyang Zang
- Center of Artificial Photosynthesis for Solar Fuels and Department of Chemistry, School of Science, Westlake University, 310024 Hangzhou, China
| | - Weili Shi
- Center of Artificial Photosynthesis for Solar Fuels and Department of Chemistry, School of Science, Westlake University, 310024 Hangzhou, China
| | - Dinghua Zhou
- State Key Laboratory of Fine Chemicals, Institute of Artificial Photosynthesis, DUT-KTH Joint Education and Research Centre on Molecular Devices, Frontier Science Center for Smart Materials, Institute for Energy Science and Technology, Dalian University of Technology, 116024 Dalian, China
| | - Yufei Jia
- State Key Laboratory of Fine Chemicals, Institute of Artificial Photosynthesis, DUT-KTH Joint Education and Research Centre on Molecular Devices, Frontier Science Center for Smart Materials, Institute for Energy Science and Technology, Dalian University of Technology, 116024 Dalian, China
| | - Jingpin Wu
- State Key Laboratory of Fine Chemicals, Institute of Artificial Photosynthesis, DUT-KTH Joint Education and Research Centre on Molecular Devices, Frontier Science Center for Smart Materials, Institute for Energy Science and Technology, Dalian University of Technology, 116024 Dalian, China
| | - Weihong Yan
- State Key Laboratory of Fine Chemicals, Institute of Artificial Photosynthesis, DUT-KTH Joint Education and Research Centre on Molecular Devices, Frontier Science Center for Smart Materials, Institute for Energy Science and Technology, Dalian University of Technology, 116024 Dalian, China
| | - Biaobiao Zhang
- Center of Artificial Photosynthesis for Solar Fuels and Department of Chemistry, School of Science, Westlake University, 310024 Hangzhou, China
| | - Licheng Sun
- State Key Laboratory of Fine Chemicals, Institute of Artificial Photosynthesis, DUT-KTH Joint Education and Research Centre on Molecular Devices, Frontier Science Center for Smart Materials, Institute for Energy Science and Technology, Dalian University of Technology, 116024 Dalian, China
- Center of Artificial Photosynthesis for Solar Fuels and Department of Chemistry, School of Science, Westlake University, 310024 Hangzhou, China
| | - Ke Fan
- State Key Laboratory of Fine Chemicals, Institute of Artificial Photosynthesis, DUT-KTH Joint Education and Research Centre on Molecular Devices, Frontier Science Center for Smart Materials, Institute for Energy Science and Technology, Dalian University of Technology, 116024 Dalian, China
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Yoo SJ, Kim D, Baek SH. Controlled Growth of WO 3 Photoanode under Various pH Conditions for Efficient Photoelectrochemical Performance. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 14:8. [PMID: 38202463 PMCID: PMC10780304 DOI: 10.3390/nano14010008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 12/15/2023] [Accepted: 12/18/2023] [Indexed: 01/12/2024]
Abstract
Herein, the effects of the precursor solution's acidity level on the crystal structure, morphology, nucleation, and growth of WO3·nH2O and WO3 nanostructures are reported. Structural investigations on WO3·nH2O using X-ray diffraction and Fourier-transform infrared spectroscopy confirm that the quantity of hydrate groups increases due to the interaction between H+ and water molecules with increasing HCl volume. Surface analysis results support our claim that the evolution of grain size, surface roughness, and growth direction on WO3·nH2O and WO3 nanostructures rely on the precursor solution's pH value. Consequently, the photocurrent density of a WO3 photoanode using a HCl-5 mL sample achieves the best results with 0.9 mA/cm2 at 1.23 V vs. a reversible hydrogen electrode (RHE). We suggest that the improved photocurrent density of the HCl-5 mL sample is due to the efficient light absorption from the densely grown WO3 nanoplates on a substrate and that its excellent charge transport kinetics originate from the large surface area, low charge transfer resistance, and fast ion diffusion through the photoanode/electrolyte interface.
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Affiliation(s)
| | | | - Seong-Ho Baek
- Department of Energy Engineering, Dankook University, Cheonan 31116, Republic of Korea; (S.-J.Y.); (D.K.)
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Nadikatla SK, Chintada VB, Gurugubelli TR, Koutavarapu R. Review of Recent Developments in the Fabrication of ZnO/CdS Heterostructure Photocatalysts for Degradation of Organic Pollutants and Hydrogen Production. Molecules 2023; 28:molecules28114277. [PMID: 37298752 DOI: 10.3390/molecules28114277] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 05/17/2023] [Accepted: 05/22/2023] [Indexed: 06/12/2023] Open
Abstract
Researchers have recently paid a lot of attention to semiconductor photocatalysts, especially ZnO-based heterostructures. Due to its availability, robustness, and biocompatibility, ZnO is a widely researched material in the fields of photocatalysis and energy storage. It is also environmentally beneficial. However, the wide bandgap energy and quick recombination of the photoinduced electron-hole pairs of ZnO limit its practical utility. To address these issues, many techniques have been used, such as the doping of metal ions and the creation of binary or ternary composites. Recent studies showed that ZnO/CdS heterostructures outperformed bare ZnO and CdS nanostructures in terms of photocatalytic performance when exposed to visible light. This review largely concentrated on the ZnO/CdS heterostructure production process and its possible applications including the degradation of organic pollutants and hydrogen evaluation. The importance of synthesis techniques such as bandgap engineering and controlled morphology was highlighted. In addition, the prospective uses of ZnO/CdS heterostructures in the realm of photocatalysis and the conceivable photodegradation mechanism were examined. Lastly, ZnO/CdS heterostructures' challenges and prospects for the future have been discussed.
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Affiliation(s)
- Santhosh Kumar Nadikatla
- Chemistry Division, Department of Basic Sciences and Humanities, GMR Institute of Technology, Rajam 532127, Andhra Pradesh, India
| | - Vinod Babu Chintada
- Department of Mechanical Engineering, GMR Institute of Technology, Rajam 532127, Andhra Pradesh, India
| | - Thirumala Rao Gurugubelli
- Physics Division, Department of Basic Sciences and Humanities, GMR Institute of Technology, Rajam 532127, Andhra Pradesh, India
| | - Ravindranadh Koutavarapu
- Department of Robotics Engineering, College of Mechanical and IT Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea
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Zhang W, Liu D, Mu Z, Zhang X, Dong G, Bai L, Guo R, Li J, Zhao M, Zhang Z. Insight into the Novel Z-Scheme ZIF67/WO3 Heterostructure for Improved Photocatalytic Degradation of Methylene Blue Under Visible Light. J Inorg Organomet Polym Mater 2022. [DOI: 10.1007/s10904-022-02488-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Shandilya P, Sambyal S, Sharma R, Mandyal P, Fang B. Properties, optimized morphologies, and advanced strategies for photocatalytic applications of WO 3 based photocatalysts. JOURNAL OF HAZARDOUS MATERIALS 2022; 428:128218. [PMID: 35030486 DOI: 10.1016/j.jhazmat.2022.128218] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 12/18/2021] [Accepted: 01/03/2022] [Indexed: 05/23/2023]
Abstract
The development of WO3 based photocatalysts has gained considerable attention across the world, especially in the realm of environmental remediation and energy production. WO3 has a band gap of 2.5- 2.7 eV that falls under the visible region and is thus a potential candidate to utilize in various photocatalytic processes. As an earth-abundant metal oxide, WO3 discovered in 1976 displayed excellent electronic and morphological properties, good stability, and enhanced photoactivity with diverse crystal phases. Also, it unveils non-toxicity, high stability in drastic conditions, biocompatibility, low cost, excellent hole mobility (10 cm2 V-1s-1), and tunable band gap. This review provides a comprehensive overview of the different properties of WO3 inclusive of crystallographic, electrical, optical, thermoelectrical, and ferroelectric properties. The different morphologies of WO3 based on dimensions were obtained by adopting different fabrication methods including inspecting their effects on the efficiency of WO3. Numerous strategies to construct an ideal photocatalyst such as engineering crystal facets, surface defects, doping, heterojunction formation explaining specifically type-II, Z-scheme, and S-scheme mechanisms with addition to carbonaceous based WO3 nanocomposites are summed up to explore the photocatalytic performance. The typical application of WO3 is deliberated in detail involving the role and efficiency of WO3 in pollutant degradation, CO2 photoreduction, and water splitting. Besides, other applications of WO3 as gas-sensor, bio-sensor, decomposition of VOCs, heavy metals ions adsorption, and antimicrobial property are also included. Moreover, the numerous aspects responsible for the high efficiency of WO3-based nanocomposites with their challenges, opportunities, and future aspects are summarized. Hopefully, this review may inspire researchers to explore new ideas to boost the production of clean energy for the next generation.
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Affiliation(s)
- Pooja Shandilya
- School of Advanced Chemical Sciences, Shoolini University, Solan, HP 173229, India.
| | - Shabnam Sambyal
- School of Advanced Chemical Sciences, Shoolini University, Solan, HP 173229, India
| | - Rohit Sharma
- School of Advanced Chemical Sciences, Shoolini University, Solan, HP 173229, India
| | - Parteek Mandyal
- School of Advanced Chemical Sciences, Shoolini University, Solan, HP 173229, India
| | - Baizeng Fang
- Department of Chemical and Biological Engineering, University of British Columbia, 2360 East Mall, Vancouver, BC V6P 1Z3, Canada.
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Eroi SN, Ello AS, Diabaté D, Ossonon DB. Heterogeneous WO3/H2O2 system for degradation of Indigo Carmin dye from aqueous solution. SOUTH AFRICAN JOURNAL OF CHEMICAL ENGINEERING 2021. [DOI: 10.1016/j.sajce.2021.03.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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Photocatalytic properties of SnO2/MoO3 mixed oxides and their relation to the electronic properties and surface acidity. J Photochem Photobiol A Chem 2021. [DOI: 10.1016/j.jphotochem.2020.113035] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Enesca A. Enhancing the Photocatalytic Activity of SnO 2-TiO 2 and ZnO-TiO 2 Tandem Structures Toward Indoor Air Decontamination. Front Chem 2020; 8:583270. [PMID: 33324610 PMCID: PMC7723902 DOI: 10.3389/fchem.2020.583270] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 10/16/2020] [Indexed: 12/29/2022] Open
Abstract
ZnO-TiO2 and SnO2-TiO2 tandem structures were developed using the doctor blade technique. It was found that by employing organic hydrophilic and hydrophobic as additives into the precursor it is possible to tailor the film density and morphology with direct consequences on the photocatalytic activity of the tandem structures. The highest photocatalytic efficiency corresponds to ZnO-TiO2 and can reach 74.04% photocatalytic efficiency toward acetaldehyde when a hydrophilic additive is used and 70.93% when a hydrophobic additive is employed. The snO2-TiO2 tandem structure presents lower photocatalytic properties (61.35 % when the hydrophilic additive is used) with a constant rate reaction of 0.07771 min−1.
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Affiliation(s)
- Alexandru Enesca
- Product Design, Mechatronics and Environmental Department, Transilvania University of Brasov, Braşov, Romania
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Zwane BN, Mabuba N, Orimolade BO, Koiki BA, Arotiba OA. Photocatalytic degradation of ciprofloxacin and sulfamethoxazole on a carbon nanodot doped tungsten trioxide: degradation product study. REACTION KINETICS MECHANISMS AND CATALYSIS 2020. [DOI: 10.1007/s11144-020-01841-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Wang D, Deng L, Cai H, Yang J, Bao L, Zhu Y, Wang X. Bimetallic PtCu Nanocrystal Sensitization WO 3 Hollow Spheres for Highly Efficient 3-Hydroxy-2-butanone Biomarker Detection. ACS APPLIED MATERIALS & INTERFACES 2020; 12:18904-18912. [PMID: 32251603 DOI: 10.1021/acsami.0c02523] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
As a foodborne bacterium, Listeria monocytogenes (LM) can cause serious diseases and even death to weak people. 3-Hydroxy-2-butanone (3H-2B) has been proven to be a biomarker for exhalation of LM. Detection of 3H-2B is a fast and effective method for determining whether the food is infected. Herein, we present an excellent 3H-2B gas sensor based on bimetallic PtCu nanocrystal modified WO3 hollow spheres. The structure and morphology of the PtCu/WO3 were characterized, and their gas sensitivities were measured by a static testing method. The results showed that the sensor response of WO3 hollow spheres was enhanced by about 15 times after modification with bimetallic PtCu nanocrystal. The maximum response value of the PtCu/WO3 sensor to 10 ppm 3H-2B is as high as 221.2 at 110 °C. In addition, the PtCu/WO3 sensor also exhibited good selectivity to 3H-2B, fast response/recovery time (9 s/28 s), and low limit of detection (LOD < 0.5 ppm). Furthermore, the sensitivity mechanism was studied by monitoring the reaction products by gas chromatography-mass spectrometry. The excellent gas-sensing performance can be attributed to the synergy between PtCu and WO3, including the unique spillover effect of O2 on PtCu nanoparticles, the regulated depletion layer by p-type CuxO to n-type WO3, and their selective catalysis to 3H-2B. Hence, this work offers the rational design and synthesis of highly efficient sensitive materials for the detection of LM for food security.
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Affiliation(s)
- Ding Wang
- School of Material Science & Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Lifeng Deng
- School of Material Science & Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Haijie Cai
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Jialin Yang
- School of Material Science & Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Liping Bao
- School of Material Science & Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Yongheng Zhu
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Xianying Wang
- School of Material Science & Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
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