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Zhao R, Zhu H, Feng L, Zhu Y, Liu B, Yu C, Gai S, Yang P. 2D Piezoelectric BiVO 4 Artificial Nanozyme with Adjustable Vanadium Vacancy for Ultrasound Enhanced Piezoelectric/Sonodynamic Therapy. Small 2023; 19:e2301349. [PMID: 37127877 DOI: 10.1002/smll.202301349] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 04/06/2023] [Indexed: 05/03/2023]
Abstract
Increasing the yield of reactive oxygen species (ROS) to enhance oxidative stress in cells is an eternal goal in cancer therapy. In this study, BiVO4 artificial nanozyme is developed with adjustable vanadium vacancy for ultrasound (US) enhanced piezoelectric/sonodynamic therapy. Under US excitation, the vanadium vacancy-rich BiVO4 nanosheets (abbreviated Vv -r BiVO4 NSs) facilitate the generation of a large number of electrons to improve the ROS yield. Meanwhile, the mechanical strain imposed by US irradiation makes the Vv -r BiVO4 NSs display a typical piezoelectric response, which tilts the conduction band to be more negative and the valance band more positive than the redox potentials of O2 /O2 •- and H2 O/·OH, boosting the efficiency of ROS generation. Both density functional theory calculations and experiments confirm that the introduction of cationic vacancy can improve the sonodynamic effect. As expected, Vv -r BiVO4 NSs have better peroxidase enzyme catalytic and glutathione depletion activities, resulting in increased intracellular oxidative stress. This triple amplification strategy of oxidative stress induced by US substantially inhibits the growth of cancer cells. The work may open an avenue to achieve a synergetic therapy by introducing cationic vacancy, broadening the biomedical use of piezoelectric materials.
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Affiliation(s)
- Ruoxi Zhao
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, P. R. China
| | - Haixia Zhu
- Cancer Institute, Affiliated Tumor Hospital of Nantong University, Nantong, 226631, P. R. China
| | - Lili Feng
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, P. R. China
| | - Yanlin Zhu
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, P. R. China
| | - Bin Liu
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, P. R. China
| | - Chenghao Yu
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, P. R. China
| | - Shili Gai
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, P. R. China
| | - Piaoping Yang
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, P. R. China
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2
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Lin C, Dong C, Kim S, Lu Y, Wang Y, Yu Z, Gu Y, Gu Z, Lee DK, Zhang K, Park JH. Photo-Electrochemical Glycerol Conversion over a Mie Scattering Effect Enhanced Porous BiVO 4 Photoanode. Adv Mater 2023; 35:e2209955. [PMID: 36692193 DOI: 10.1002/adma.202209955] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 01/18/2023] [Indexed: 06/17/2023]
Abstract
The photo-electrochemical (PEC) oxidation of glycerol (GLY) to high-value-added dihydroxyacetone (DHA) can be achieved over a BiVO4 photoanode, while the PEC performance of most BiVO4 photoanodes is impeded due to the upper limits of the photocurrent density. Here, an enhanced Mie scattering effect of the well-documented porous BiVO4 photoanode is obtained with less effort by a simple annealing process, which significantly reduces the reflectivity to near zero. The great light absorbability increases the basic photocurrent density by 1.77 times. The selective oxidation of GLY over the BiVO4 photoanode results in a photocurrent density of 6.04 mA cm-2 and a DHA production rate of 325.2 mmol m-2 h-1 that exceeds all reported values. This work addresses the poor ability of nanostructured BiVO4 to harvest light, paving the way for further improvements in charge transport and transfer to realize highly efficient PEC conversion.
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Affiliation(s)
- Cheng Lin
- School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P. R. China
| | - Chaoran Dong
- School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P. R. China
| | - Sungsoon Kim
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 120-749, Republic of Korea
| | - Yuan Lu
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 120-749, Republic of Korea
| | - Yulan Wang
- College of Chemistry, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fujian, 350108, P. R. China
| | - Zhiyang Yu
- College of Chemistry, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fujian, 350108, P. R. China
| | - Yu Gu
- School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P. R. China
| | - Zhiyuan Gu
- College of Physics and Optoelectronics, Taiyuan University of Technology, Taiyuan, 030024, P. R. China
| | - Dong Ki Lee
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 120-749, Republic of Korea
- Department of Chemical and Biomolecular Engineering, Yonsei-KIST Convergence Research Institute, Yonsei University, Seoul, 03722, Republic of Korea
- Clean Energy Research Center (KIST) and Division of Energy and Environment Technology, KIST School, University of Science and Technology, Seoul, 02792, Republic of Korea
- Graduate School of Energy and Environment, Korea University, Seoul, 02841, Republic of Korea
| | - Kan Zhang
- School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P. R. China
| | - Jong Hyeok Park
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 120-749, Republic of Korea
- Department of Chemical and Biomolecular Engineering, Yonsei-KIST Convergence Research Institute, Yonsei University, Seoul, 03722, Republic of Korea
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Wang Z, Guo Y, Liu M, Liu X, Zhang H, Jiang W, Wang P, Zheng Z, Liu Y, Cheng H, Dai Y, Wang Z, Huang B. Boosting H 2 Production from a BiVO 4 Photoelectrochemical Biomass Fuel Cell by the Construction of a Bridge for Charge and Energy Transfer. Adv Mater 2022; 34:e2201594. [PMID: 35488707 DOI: 10.1002/adma.202201594] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 04/16/2022] [Indexed: 06/14/2023]
Abstract
Utilizing a photoelectrochemical (PEC) fuel cell to replace difficult water oxidation with facile oxidation of organic wastes is regarded as an effective method to improve the H2 production efficiency. However, in most reported PEC fuel cells, their PEC activities are still low and the energy in organic fuels cannot be effectively utilized. Here, a unique BiVO4 PEC fuel cell is successfully developed by utilizing the low-cost biomass, tartaric acid, as an organic fuel. Thanks to the strong complexation between BiVO4 and tartaric acid, a bridge for the charge and energy transfer is successfully constructed, which not only improves the photoelectric conversion efficiency of BiVO4 , but also effectively converts the chemical energy of biomass into H2 . Remarkably, under AM1.5G illumination, the optimal nanoporous BiVO4 photoanode exhibits a high current density of 13.54 mA cm-2 at 1.23 V vs reversible hydrogen electrode (RHE) for H2 production, which is higher than that of previously reported PEC water splitting systems or PEC fuel cell systems. This work opens a new path for solving the low PEC H2 production efficiency and provides a new idea for improving the performances and energy conversion efficiency in traditional PEC fuel cells.
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Affiliation(s)
- Zhaoqi Wang
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, China
| | - Yuhao Guo
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, China
| | - Mu Liu
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, China
| | - Xiaolei Liu
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, China
| | - Haipeng Zhang
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, China
| | - Weiyi Jiang
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, China
| | - Peng Wang
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, China
| | - Zhaoke Zheng
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, China
| | - Yuanyuan Liu
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, China
| | - Hefeng Cheng
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, China
| | - Ying Dai
- School of Physics, Shandong University, Jinan, 250100, China
| | - Zeyan Wang
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, China
| | - Baibiao Huang
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, China
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Shao PW, Liu HJ, Sun Y, Wu M, Peng RC, Wang M, Xue F, Cheng X, Su L, Gao P, Yu P, Chen LQ, Pan X, Ivry Y, Chen YC, Chu YH. Flexoelectric Domain Walls Originated from Structural Phase Transition in Epitaxial BiVO 4 Films. Small 2022; 18:e2107540. [PMID: 35322548 DOI: 10.1002/smll.202107540] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Revised: 02/05/2022] [Indexed: 06/14/2023]
Abstract
Polar domain walls in centrosymmetric ferroelastics induce inhomogeneity that is the origin of advantageous multifunctionality. In particular, polar domain walls promote charge-carrier separation and hence are promising for energy conversion applications that overcome the hurdles of the rate-limiting step in the traditional photoelectrochemical water splitting processes. Yet, while macroscopic studies investigate the materials at the device scale, the origin of this phenomenon in general and the emergence of polar domain walls during the structural phase transition in particular has remained elusive, encumbering the development of this attractive system. Here, it is demonstrated that twin domain walls arise in centrosymmetric BiVO4 films and they exhibit localized piezoelectricity. It is also shown that during the structural phase transition from the tetragonal to monoclinic, the symmetry reduction is accompanied by an emergence of strain gradient, giving rise to flexoelectric effect and the polar domain walls. These results not only expose the emergence of polar domain walls at centrosymmetric systems by means of direct observation, but they also expand the realm of potential application of ferroelastics, especially in photoelectrochemistry and local piezoelectricity.
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Affiliation(s)
- Pao-Wen Shao
- Department of Materials Science and Engineering, National Yang Ming Chiao Tung University, Hsinchu, 30010, Taiwan
| | - Heng-Jui Liu
- Department of Materials Science and Engineering, National Chung Hsing University, Taichung, 40227, Taiwan
| | - Yuanwei Sun
- International Center for Quantum Materials, School of Physics, Peking University, Beijing, China
- Electron Microscopy Laboratory, School of Physics, Peking University, Beijing, China
| | - Mei Wu
- International Center for Quantum Materials, School of Physics, Peking University, Beijing, China
- Electron Microscopy Laboratory, School of Physics, Peking University, Beijing, China
| | - Ren-Ci Peng
- School of Advanced Materials and Nanotechnology, Xidian University, Xi'an, 710126, China
| | - Meng Wang
- Department of Physics, Tsinghua University, Beijing, China
| | - Fei Xue
- Department of Materials Science and Engineering, The Pennsylvania State University, University Park, PA, 16082, USA
| | - Xiaoxing Cheng
- Department of Materials Science and Engineering, The Pennsylvania State University, University Park, PA, 16082, USA
| | - Lei Su
- Department of Materials Science and Engineering, University of California, Irvine, CA, 92697, USA
| | - Peng Gao
- International Center for Quantum Materials, School of Physics, Peking University, Beijing, China
- Electron Microscopy Laboratory, School of Physics, Peking University, Beijing, China
| | - Pu Yu
- Department of Physics, Tsinghua University, Beijing, China
| | - Long-Qing Chen
- Department of Materials Science and Engineering, The Pennsylvania State University, University Park, PA, 16082, USA
| | - Xiaoqing Pan
- Department of Materials Science and Engineering, University of California, Irvine, CA, 92697, USA
- Department of Physics and Astronomy, University of California at Irvine, Irvine, CA, 92697, USA
- Irvine Materials Research Institute, University of California at Irvine, Irvine, CA, 92697, USA
| | - Yachin Ivry
- Department of Materials Science and Engineering Technion, Israel Institute of Technology, Haifa, 3200003, Israel
- Solid State Institute Technion, Israel Institute of Technology, Haifa, 3200003, Israel
| | - Yi-Chun Chen
- Department of Physics, National Cheng Kung University, Tainan, Taiwan
| | - Ying-Hao Chu
- Department of Materials Science and Engineering, National Yang Ming Chiao Tung University, Hsinchu, 30010, Taiwan
- Department of Materials Science and Engineering, National Tsing Hua University, Hsinchu, 30013, Taiwan
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5
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Lu Y, Yang Y, Fan X, Li Y, Zhou D, Cai B, Wang L, Fan K, Zhang K. Boosting Charge Transport in BiVO 4 Photoanode for Solar Water Oxidation. Adv Mater 2022; 34:e2108178. [PMID: 34902189 DOI: 10.1002/adma.202108178] [Citation(s) in RCA: 44] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 12/08/2021] [Indexed: 06/14/2023]
Abstract
The ability to regulate charge separation is pivotal for obtaining high efficiency of any photoelectrode used for solar fuel production. Vacancy engineering for metal oxide semiconductor photoelectrode is a major strategy but has faced a formidable challenge in bulk charge transport because of the elusive charge self-trapping site. In this work, a new deep eutectic solvent to engineer bismuth vacancies (Bivac ) of BiVO4 photoanode is reported; the novel Bivac can remarkably increase the charge diffusion coefficient by 5.8 times (from 1.82 × 10-7 to 1.06 × 10-6 cm2 s-1 ), which boosts the charge transport efficiency. Through further loading CoBi cocatalyst to enhance charge transfer efficiency, the photocurrent density of BiVO4 photoanode with optimal Bivac concentration reaches 4.5 mA cm-2 at 1.23 V vs reversible hydrogen electrode under AM 1.5 G illumination, which is higher than that of previously reported Ovac engineered BiVO4 photoanode where the BiVO4 photoanode is synthesized by a similar procedure. This work perfects a cation defect engineering that enables the potential capability to equate the charge transport properties in different types of semiconductor materials for solar fuel conversion.
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Affiliation(s)
- Yuan Lu
- MIIT Key Laboratory of Advanced Display Material and Devices, College of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Yilong Yang
- MIIT Key Laboratory of Advanced Display Material and Devices, College of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Xinyi Fan
- MIIT Key Laboratory of Advanced Display Material and Devices, College of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Yiqun Li
- MIIT Key Laboratory of Advanced Display Material and Devices, College of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Dinghua Zhou
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian, 116024, China
| | - Bo Cai
- MIIT Key Laboratory of Advanced Display Material and Devices, College of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Luyang Wang
- College of New Materials and New Energies, Shenzhen Technology University, Shenzhen, Guangdong, 518118, P. R. China
| | - Ke Fan
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian, 116024, China
| | - Kan Zhang
- MIIT Key Laboratory of Advanced Display Material and Devices, College of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
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Ju S, Kang H, Jun J, Son S, Park J, Kim W, Lee H. Periodic Micropillar-Patterned FTO/BiVO 4 with Superior Light Absorption and Separation Efficiency for Efficient PEC Performance. Small 2021; 17:e2006558. [PMID: 33864345 DOI: 10.1002/smll.202006558] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 03/05/2021] [Indexed: 06/12/2023]
Abstract
In this study, a high-performance photoanode based on 3D periodic, micropillar-structured fluorine-doped tin oxide (FTO-MP) deposited with BiVO4 is fabricated using the patterned FTO by direct printing and spray pyrolysis, followed by the deposition of BiVO4 by sputtering and V ion heat-treatment on the patterned FTO. The FTO-MP enables light scattering owing to its 3D periodic structure and increases the light absorption efficiency. In addition, the high electron mobility of FTO and enlarged surface area of FTO-MP enhance the separation efficiency. Due to the combination of these enhancing strategies, the photocurrent density of micropillar-patterned BiVO4 at 1.23 VRHE reached 2.97 mA cm-2 , which is 67.8% higher than that of flat BiVO4 . The results suggest that the efficiency can increase significantly using the patterned FTO fabricated by an inexpensive and simple process (i.e., direct printing and spray pyrolysis), thereby indicating a new strategy for the enhancement of efficiency in various energy fields.
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Affiliation(s)
- Sucheol Ju
- Anam-ro 145, Sungbuk-Gu, Seoul, 136-701, Republic of Korea
| | - Hojung Kang
- Anam-ro 145, Sungbuk-Gu, Seoul, 136-701, Republic of Korea
| | - Junho Jun
- Anam-ro 145, Sungbuk-Gu, Seoul, 136-701, Republic of Korea
| | - Soomin Son
- Anam-ro 145, Sungbuk-Gu, Seoul, 136-701, Republic of Korea
| | - Jaemin Park
- Anam-ro 145, Sungbuk-Gu, Seoul, 136-701, Republic of Korea
| | - Wonjoong Kim
- Anam-ro 145, Sungbuk-Gu, Seoul, 136-701, Republic of Korea
| | - Heon Lee
- Anam-ro 145, Sungbuk-Gu, Seoul, 136-701, Republic of Korea
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Wang L, Lu Y, Han N, Dong C, Lin C, Lu S, Min Y, Zhang K. Suppressing Water Dissociation via Control of Intrinsic Oxygen Defects for Awakening Solar H 2 O-to-H 2 O 2 Generation. Small 2021; 17:e2100400. [PMID: 33690971 DOI: 10.1002/smll.202100400] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Indexed: 06/12/2023]
Abstract
BiVO4 theoretically has a thermodynamic activity trend toward highly selective water oxidative H2 O2 formation, but it is more inclined to generate O2 in practical. The influence of intrinsic oxygen vacancy (Ovac ), especially, on surface reactivity, has never been considered as a possible activity loss mechanism in the synthetic BiVO4 . In this work, it is theoretically and experimentally demonstrated that the intrinsic surface Ovac is responsible for lower H2 O2 evolution activity via promoting water dissociation to form intermediate. Through an annealing process under a V2 O5 rich atmosphere, the surface Ovac can be eliminated that awakens the photoelectrochemical (PEC) water oxidative H2 O2 activity in a NaHCO3 electrolyte, which achieves an average of 58.4%, and increases by up to 4.28 times of the one annealed in air. This work offers a general understanding of catalytic activity loss and may be extended to other photo or electrocatalysts for catalytic selectivity regulation.
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Affiliation(s)
- Luyang Wang
- College of New Materials and New Energies, Shenzhen Technology University, Shenzhen, Guangdong, 518118, P. R. China
| | - Yuan Lu
- MIIT Key Laboratory of Advanced Display Material and Devices, College of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P. R. China
| | - Nannan Han
- Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, Shanghai University of Electric Power, Shanghai, 200090, P. R. China
| | - Chaoran Dong
- MIIT Key Laboratory of Advanced Display Material and Devices, College of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P. R. China
| | - Cheng Lin
- MIIT Key Laboratory of Advanced Display Material and Devices, College of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P. R. China
| | - Siyu Lu
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou, 450000, P. R. China
| | - Yulin Min
- Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, Shanghai University of Electric Power, Shanghai, 200090, P. R. China
| | - Kan Zhang
- MIIT Key Laboratory of Advanced Display Material and Devices, College of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P. R. China
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