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Chaki Borrás ML, Colbran G, Mitchell DRG, Barker PJ, Sluyter R, Konstantinov K. Multifunctional bismuth oxide (Bi 2 O 3 ) particles: Evidence for selective melanoma therapy. J Biomed Mater Res A 2023; 111:1253-1263. [PMID: 36866394 DOI: 10.1002/jbm.a.37524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 01/20/2023] [Accepted: 02/21/2023] [Indexed: 03/04/2023]
Abstract
The current study investigates the therapeutic and optical properties of bismuth oxide (Bi2 O3 ) particles for selective melanoma therapy and prevention. The Bi2 O3 particles were prepared using a standard precipitation method. The Bi2 O3 particles induced apoptosis in human A375 melanoma cells but not human HaCaT keratinocytes or CCD-1090Sk fibroblast cells. This selective apoptosis appears to be associated with a combination of factors: increased particle internalization (2.29 ± 0.41, 1.16 ± 0.08 and 1.66 ± 0.22-fold of control) and enhanced production of reactive oxygen species (ROS) (3.4 ± 0.1, 1.1 ± 0.1 and 2.05 ± 0.17-fold of control) in A375 cells compared to HaCaT and CCD-1090SK cells, respectively. As a high-Z element, bismuth is also an excellent contrast agent for computer tomography, which renders Bi2 O3 a theranostic material. Moreover, Bi2 O3 displays high UV absorption and low photocatalytic activity compared to other semiconducting metal oxides, which opens further potential fields of application as a pigment or as an active ingredient in sunscreens. Overall, this study demonstrates the multifunctional properties of Bi2 O3 particles surrounding the treatment and prevention of melanoma.
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Affiliation(s)
- Marcela Laura Chaki Borrás
- Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials, University of Wollongong, New South Wales, Australia
- Illawarra Health and Medical Research Institute, Wollongong, New South Wales, Australia
- School of Physics, Faculty of Engineering and Information Sciences, University of Wollongong, Wollongong, New South Wales, Australia
| | - Georgia Colbran
- Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials, University of Wollongong, New South Wales, Australia
- School of Physics, Faculty of Engineering and Information Sciences, University of Wollongong, Wollongong, New South Wales, Australia
| | - David R G Mitchell
- Electron Microscopy Centre, Australian Institute for Innovative Materials, University of Wollongong, New South Wales, Australia
| | - Philip J Barker
- School of Chemistry and Molecular Bioscience, Faculty of Science, Medicine and Health, University of Wollongong, Wollongong, New South Wales, Australia
| | - Ronald Sluyter
- Illawarra Health and Medical Research Institute, Wollongong, New South Wales, Australia
- School of Chemistry and Molecular Bioscience, Faculty of Science, Medicine and Health, University of Wollongong, Wollongong, New South Wales, Australia
| | - Konstantin Konstantinov
- Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials, University of Wollongong, New South Wales, Australia
- Illawarra Health and Medical Research Institute, Wollongong, New South Wales, Australia
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2
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Liu S, Zhang J, Tian Y, Sun J, Huang P, Li J, Han G. Preparation of Bi 2O 3-YSZ and YSB-YSZ Composite Powders by a Microemulsion Method and Their Performance as Electrolytes in a Solid Oxide Fuel Cell. MATERIALS (BASEL, SWITZERLAND) 2023; 16:4673. [PMID: 37444994 DOI: 10.3390/ma16134673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 06/16/2023] [Accepted: 06/26/2023] [Indexed: 07/15/2023]
Abstract
Bi2O3 is a promising sintering additive for YSZ that not only decreases its sintering temperature but also increases its ionic conductivity. However, Bi2O3 preferably grows into large-sized rods. Moreover, the addition of Bi2O3 induces phase instability of YSZ and the precipitation of monoclinic ZrO2, which is unfavorable for the electrical property. In order to precisely control the morphology and size of Bi2O3, a microemulsion method was introduced. Spherical Bi2O3 nanoparticles were obtained from the formation of microemulsion bubbles at the water-oil interface due to the interaction between the two surfactants. Nanosized Bi2O3-YSZ composite powders with good mixing uniformity dramatically decreased the sintering temperature of YSZ to 1000 °C. Y2O3-stabilized Bi2O3 (YSB)-YSZ composite powders were also fabricated, which did not affect the phase of YSZ but decreased its sintering temperature. Meanwhile, the oxygen vacancy concentration further increased to 64.9% of the total oxygen with the addition of 5 mol% YSB. In addition, its ionic conductivity reached 0.027 S·cm-1 at 800 °C, one order of magnitude higher than that of YSZ. This work provides a new strategy to simultaneously decrease the sintering temperature, stabilize the phase and increase the conductivity of YSZ electrolytes.
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Affiliation(s)
- Shuangshuang Liu
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials, Ministry of Education, School of Material Science and Engineering, Shandong University, Jinan 250061, China
| | - Jingde Zhang
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials, Ministry of Education, School of Material Science and Engineering, Shandong University, Jinan 250061, China
- Key Laboratory of Special Functional Aggregated Materials, Ministry of Education, Shandong University, Jinan 250100, China
| | - Yuhang Tian
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials, Ministry of Education, School of Material Science and Engineering, Shandong University, Jinan 250061, China
| | - Jian Sun
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials, Ministry of Education, School of Material Science and Engineering, Shandong University, Jinan 250061, China
| | - Panxin Huang
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials, Ministry of Education, School of Material Science and Engineering, Shandong University, Jinan 250061, China
| | - Jianzhang Li
- National Engineering Research Centre of Ceramic Matrix Composite Manufacture Technology, Xi'an Golden Mountain Ceramic Composites Co., Ltd., Xi'an 710118, China
| | - Guifang Han
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials, Ministry of Education, School of Material Science and Engineering, Shandong University, Jinan 250061, China
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Zhou K, Shang G, Hsu HH, Han ST, Roy VAL, Zhou Y. Emerging 2D Metal Oxides: From Synthesis to Device Integration. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2207774. [PMID: 36333890 DOI: 10.1002/adma.202207774] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 10/26/2022] [Indexed: 05/26/2023]
Abstract
2D metal oxides have aroused increasing attention in the field of electronics and optoelectronics due to their intriguing physical properties. In this review, an overview of recent advances on synthesis of 2D metal oxides and their electronic applications is presented. First, the tunable physical properties of 2D metal oxides that relate to the structure (various oxidation-state forms, polymorphism, etc.), crystallinity and defects (anisotropy, point defects, and grain boundary), and thickness (quantum confinement effect, interfacial effect, etc.) are discussed. Then, advanced synthesis methods for 2D metal oxides besides mechanical exfoliation are introduced and classified into solution process, vapor-phase deposition, and native oxidation on a metal source. Later, the various roles of 2D metal oxides in widespread applications, i.e., transistors, inverters, photodetectors, piezotronics, memristors, and potential applications (solar cell, spintronics, and superconducting devices) are discussed. Finally, an outlook of existing challenges and future opportunities in 2D metal oxides is proposed.
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Affiliation(s)
- Kui Zhou
- Institute for Advanced Study, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Gang Shang
- College of Electronics and Information Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Hsiao-Hsuan Hsu
- Department of Materials and Mineral Resources Engineering, National Taipei University of Technology, Taipei, 10608, Taiwan
| | - Su-Ting Han
- College of Electronics and Information Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Vellaisamy A L Roy
- James Watt School of Engineering, University of Glasgow, Glasgow, G12 8QQ, UK
| | - Ye Zhou
- Institute for Advanced Study, Shenzhen University, Shenzhen, 518060, P. R. China
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Sulfur tuning oxygen vacancy of Ba 2Bi 1.4Ta 0.6O 6 for boosted photocatalytic tetracycline hydrochloride degradation and hydrogen evolution. J Colloid Interface Sci 2023; 636:470-479. [PMID: 36641822 DOI: 10.1016/j.jcis.2023.01.041] [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: 10/30/2022] [Revised: 12/27/2022] [Accepted: 01/08/2023] [Indexed: 01/12/2023]
Abstract
Photocatalysis, such as solar-driven photodegradation and energy conversion, has attracted great attention, given that it provides a promising solution for alleviating the energy shortage and environmental contamination issues. However, the insufficient light absorption and charge separation/transport efficiency restrict the solar conversion efficiency. It has been proved that oxygen vacancies (Ov) can improve the photocatalytic activity by enhancing the light absorption. But in this study, we show that oxygen vacancies hinder the charge separation/transfer in Ba2Bi1.4Ta0.6O6. The incorporation of S further pushes the light absorption edge up to 1170 nm. Therefore, the S/Ov-Ba2Bi1.4Ta0.6O6 sample can absorb not only the full range of visible light but also part of near-infrared light. More importantly, it mitigates the drawback of oxygen vacancies, improving the charge separation/transport by 1.65 times. As a result, The S/Ov-Ba2Bi1.4Ta0.6O6 nanowires manifest 4.41 times and over 100 times higher photocatalytic activity for tetracycline hydrochloride degradation and hydrogen production, respectively.
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Zhu B, Dong Q, Huang J, Song D, Chen L, Chen Q, Zhai C, Wang B, Klemeš JJ, Tao H. Visible-light driven p-n heterojunction formed between α-Bi 2O 3 and Bi 2O 2CO 3 for efficient photocatalytic degradation of tetracycline. RSC Adv 2023; 13:1594-1605. [PMID: 36688072 PMCID: PMC9827591 DOI: 10.1039/d2ra08162h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Accepted: 12/26/2022] [Indexed: 01/11/2023] Open
Abstract
To improve the efficiency of photocatalytic oxidative degradation of antibiotic pollutants, it is essential to develop an efficient and stable photocatalyst. In this study, a polymer-assisted facile synthesis strategy is proposed for the polymorph-controlled α-Bi2O3/Bi2O2CO3 heterojunction retained at elevated calcination temperatures. The p-n heterojunction can effectively separate and migrate electron-hole pairs, which improves visible-light-driven photocatalytic degradation from tetracycline (TC). The BO-400@PAN-140 photocatalyst achieves the highest pollutant removal efficiency of 98.21% for photocatalytic tetracycline degradation in 1 h (λ > 420 nm), and the degradation efficiency was maintained above 95% after 5 cycles. The morphology, crystal structure, and chemical state of the composites were analysed by scanning electron microscopy, X-ray diffraction, and X-ray photoelectron spectroscopy. Ultraviolet-visible diffuse reflection, transient photocurrent response, and electrochemical impedance spectroscopy were adopted to identify the charge transfer and separation efficiency of photogenerated electron-hole pairs. The EPR results verified h+ and ˙OH radicals as the primary active species in the photocatalytic oxidation reactions. This observation was also consistent with the results of radical trapping experiments. In addition, the key intermediate products of the photocatalytic degradation of TC over BO-400@PAN-140 were identified via high-performance liquid chromatography-mass spectrometry, which is compatible with two possible photocatalytic reaction pathways. This work provides instructive guidelines for designing heterojunction photocatalysts via a polymer-assisted semiconductor crystallographic transition pathway for TC degradation into cleaner production.
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Affiliation(s)
- Baikang Zhu
- School of Petrochemical Engineering & Environment, Zhejiang Ocean University Zhoushan 316022 China
- United National-Local Engineering Laboratory of Oil & Gas Storage and Transportation Technology Zhoushan Zhejiang 316022 China
- Zhejiang Provincial Key Laboratory of Petrochemical Environmental Pollution Control Zhoushan Zhejiang 316022 China
| | - Qinbing Dong
- School of Petrochemical Engineering & Environment, Zhejiang Ocean University Zhoushan 316022 China
| | - Jianghua Huang
- School of Petrochemical Engineering & Environment, Zhejiang Ocean University Zhoushan 316022 China
| | - Debin Song
- School of Petrochemical Engineering & Environment, Zhejiang Ocean University Zhoushan 316022 China
| | - Lihui Chen
- School of Petrochemical Engineering & Environment, Zhejiang Ocean University Zhoushan 316022 China
| | - Qingguo Chen
- School of Petrochemical Engineering & Environment, Zhejiang Ocean University Zhoushan 316022 China
| | - Chunyang Zhai
- School of Materials Science and Chemical Engineering, Ningbo University Ningbo 315211 China
| | - Bohong Wang
- School of Petrochemical Engineering & Environment, Zhejiang Ocean University Zhoushan 316022 China
| | - Jiří Jaromír Klemeš
- Sustainable Process Integration Laboratory - SPIL, NETME Centre, Faculty of Mechanical Engineering, Brno University of Technology - VUT Brno Technická 2896/2 616 69 Brno Czech Republic
| | - Hengcong Tao
- School of Petrochemical Engineering & Environment, Zhejiang Ocean University Zhoushan 316022 China
- Zhejiang Provincial Key Laboratory of Petrochemical Environmental Pollution Control Zhoushan Zhejiang 316022 China
- College of Chemical and Biological Engineering, Zhejiang University Hangzhou 310058 China
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He B, Wang Z, Xiao P, Chen T, Yu J, Zhang L. Cooperative Coupling of H 2 O 2 Production and Organic Synthesis over a Floatable Polystyrene-Sphere-Supported TiO 2 /Bi 2 O 3 S-Scheme Photocatalyst. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2203225. [PMID: 35944441 DOI: 10.1002/adma.202203225] [Citation(s) in RCA: 71] [Impact Index Per Article: 35.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Revised: 07/15/2022] [Indexed: 06/15/2023]
Abstract
Cooperative coupling of photocatalytic H2 O2 production with organic synthesis has an expansive perspective in converting solar energy into storable chemical energy. However, traditional powder photocatalysts suffer from severe agglomeration, limited light absorption, poor gas reactant accessibility, and reusable difficulty, which greatly hinders their large-scale application. Herein, floatable composite photocatalysts are synthesized by immobilizing hydrophobic TiO2 and Bi2 O3 on lightweight polystyrene (PS) spheres via hydrothermal and photodeposition methods. The floatable photocatalysts are not only solar transparent, but also upgrade the contact between reactants and photocatalysts. Thus, the floatable step-scheme (S-scheme) TiO2 /Bi2 O3 photocatalyst exhibits a drastically enhanced H2 O2 yield of 1.15 mm h-1 and decent furfuryl alcohol conversion to furoic acid synchronously. Furthermore, the S-scheme mechanism and dynamics are systematically investigated by in situ irradiated X-ray photoelectron spectroscopy and femtosecond transient absorption spectrum analyses. In situ Fourier transform infrared spectroscopy and density functional theory calculations reveal the mechanism of furoic acid evolution. The ingenious design of floatable photocatalysts not only furnishes insight into maximizing photocatalytic reaction kinetics but also provides a new route for highly efficient heterogeneous catalysis.
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Affiliation(s)
- Bowen He
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, International School of Material Science and Engineering, Wuhan University of Technology, Wuhan, 430070, P. R. China
- Laboratory of Solar Fuel, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan, 430074, P. R. China
| | - Zhongliao Wang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, International School of Material Science and Engineering, Wuhan University of Technology, Wuhan, 430070, P. R. China
- Laboratory of Solar Fuel, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan, 430074, P. R. China
| | - Peng Xiao
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Tao Chen
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Jiaguo Yu
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, International School of Material Science and Engineering, Wuhan University of Technology, Wuhan, 430070, P. R. China
- Laboratory of Solar Fuel, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan, 430074, P. R. China
| | - Liuyang Zhang
- Laboratory of Solar Fuel, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan, 430074, P. R. China
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Ramazanov S, Sobola D, Ţălu Ş, Orudzev F, Arman A, Kaspar P, Dallaev R, Ramazanov G. Multiferroic behavior of the functionalized surface of a flexible substrate by deposition of Bi 2 O 3 and Fe 2 O 3. Microsc Res Tech 2022; 85:1300-1310. [PMID: 34820938 DOI: 10.1002/jemt.23996] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 10/07/2021] [Accepted: 11/10/2021] [Indexed: 02/05/2023]
Abstract
Thin films of bismuth and iron oxides were obtained by atomic layer deposition (ALD) on the surface of a flexible substrate poly(4,4'-oxydiphenylene-pyromellitimide) (Kapton) at a temperature of 250°C. The layer thickness was 50 nm. The samples were examined by secondary-ion mass spectrometry, and uniform distribution of elements in the film layer was observed. Surface morphology, electrical polarization, and mechanical properties were investigated by atomic force microscope, piezoelectric force microscopy, and force modulation microscopy. The values of current in the near-surface layer varied in the range of ±80 pA when a potential of 5 V was applied. Chemical analysis was performed by X-ray photoelectron spectroscopy, where the formation of Bi2 O3 and Fe2 O3 phases, as well as intermediate phases in the Bi-Fe-O system, was observed. Magnetic measurements were carried out by a vibrating sample magnetometer that showed a ferromagnetic response. The low-temperature method of functionalization of the Kapton surface with bismuth and iron oxides will make it possible to adapt the Bi-Fe-O system to flexible electronics.
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Affiliation(s)
- Shikhgasan Ramazanov
- Faculty of Chemistry, Department of Physical and Organic Chemistry, Dagestan State University, Makhachkala, Russia
| | - Dinara Sobola
- Department of Physics, Faculty of Electrical Engineering and Communication, Brno University of Technology, Brno, Czech Republic
- Academy of Sciences ČR, Institute of Physics of Materials, Brno, Czech Republic
| | - Ştefan Ţălu
- The Technical University of Cluj-Napoca, The Directorate of Research, Development and Innovation Management (DMCDI), Cluj-Napoca, Romania
| | - Farid Orudzev
- Faculty of Chemistry, Department of Physical and Organic Chemistry, Dagestan State University, Makhachkala, Russia
| | - Ali Arman
- Vacuum Technology Research Group, ACECR, Sharif University Branch, Tehran, Iran
| | - Pavel Kaspar
- Department of Physics, Faculty of Electrical Engineering and Communication, Brno University of Technology, Brno, Czech Republic
| | - Rashid Dallaev
- Department of Physics, Faculty of Electrical Engineering and Communication, Brno University of Technology, Brno, Czech Republic
| | - Guseyn Ramazanov
- Faculty of Technology, Course "Design", Dagestan State Technical University, Makhachkala, Russia
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Wu J, Wang F, Li H, Yang S, Li P, Zhao Y, Li Y, Zhai T. Epitaxial Growth of 2D Ultrathin Metastable γ-Bi 2 O 3 Flakes for High Performance Ultraviolet Photodetection. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2104244. [PMID: 34741412 DOI: 10.1002/smll.202104244] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 09/13/2021] [Indexed: 06/13/2023]
Abstract
Ultraviolet detection is of great significance due to its wide applications in the missile tracking, flame detecting, pollution monitoring, and so on. The nonlayered semiconductor γ-Bi2 O3 is a promising candidate toward high-performance UV detection due to the wide bandgap, excellent light sensitivity, environmental stability, nontoxic and elemental abundance properties. However, controllable preparation of ultrathin 2D γ-Bi2 O3 flakes remains a challenge, owing to its nonlayered structure, metastable nature, and other competing phases. Moreover, the UV photodetectors based on 2D γ-Bi2 O3 flake have not been implemented yet. Here, ultrathin (down to 4.8 nm) 2D γ-Bi2 O3 flakes with high crystal quality are obtained via a van der Waals epitaxy method. The as-synthesized single-crystalline γ-Bi2 O3 flakes show a body-centered cubic structure and grown along (111) lattice plane as revealed by experimental observations. More importantly, photodetectors based on the as-synthesized 2D γ-Bi2 O3 flakes exhibit promising UV detection ability, including a responsivity of 64.5 A W-1 , a detectivity of 1.3 × 1013 Jones, and an ultrafast response speed (τrise ≈ 290 µs and τdecay ≈ 870 µs) at 365 nm, suggesting its great potential for various optoelectronic applications.
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Affiliation(s)
- Jie Wu
- State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Fakun Wang
- State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Haobo Li
- State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Sijie Yang
- State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Pengyu Li
- State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Yinghe Zhao
- State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Yuan Li
- State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Tianyou Zhai
- State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
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Leng D, Wang T, Li Y, Huang Z, Wang H, Wan Y, Pei X, Wang J. Plasmonic Bismuth Nanoparticles: Thiolate Pyrolysis Synthesis, Size-Dependent LSPR Property, and Their Oxidation Behavior. Inorg Chem 2021; 60:17258-17267. [PMID: 34708656 DOI: 10.1021/acs.inorgchem.1c02621] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Plasmonics, especially the localized surface plasmon resonance (LSPR) in non-noble metal bismuth nanoparticles (Bi NPs), and its spectral features and applications have stimulated increasing research interest in recent years. However, the lack of mature methods to prepare Bi NPs with a well-controlled size and/or shape significantly limits the experimental investigations concerning the LSPR optical properties. Herein, we realize the size-tunable synthesis of nearly monodisperse spherical Bi NPs through a thiolate pyrolysis reaction in solution. The instantaneous thermolysis of a layered molecular intermediate, bismuth dodecanethiolate [Bi(SC12H25)3], results in a classical LaMer mechanism for the nucleation and growth of Bi NPs, allowing for a precise size control from 65 to 205 nm in the average diameter. The diameter tunability enables a systematic study on the size dependence of LSPR optical properties of Bi NPs, and we observe rich ultraviolet-visible-near-infrared spectral responses arising from the LSPR absorption and scattering of Bi NPs as their size varies, which will greatly benefit the light harvesting and manipulation in the solar spectrum. Furthermore, we find that a complete oxidation occurs to Bi NPs under air flow at the temperature when they melt and accordingly generate metastable tetragonal-phase β-Bi2O3 NPs that show an optical band gap of 2.15 eV and interesting temperature-dependent β → α → δ → (γ + β) polymorphic transitions.
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Affiliation(s)
- Dehui Leng
- School of Materials Science & Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Tingting Wang
- School of Materials Science & Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - YingFen Li
- School of Materials Science & Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Zibin Huang
- School of Materials Science & Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Huimin Wang
- School of Materials Science & Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Yixin Wan
- School of Materials Science & Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Xiaoxiao Pei
- School of Materials Science & Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Junli Wang
- School of Materials Science & Engineering, Jiangsu University, Zhenjiang 212013, PR China
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