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Que R, Audibert JF, Garcia-Caurel E, Plantevin O, Kalli K, Lancry M, Poumellec B, Pansu RB. Carbon Dot Synthesis in CYTOP Optical Fiber Using IR Femtosecond Laser Direct Writing and Its Luminescence Properties. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:941. [PMID: 38869566 PMCID: PMC11173491 DOI: 10.3390/nano14110941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Revised: 05/09/2024] [Accepted: 05/22/2024] [Indexed: 06/14/2024]
Abstract
Luminescent carbon dots (CDs) were locally synthesized in the core of CYTOP fibers using IR femtosecond laser direct writing (FLDW), a one-step simple method serving as a post-treatment of the pristine fiber. This approach enables the creation of several types of modifications such as ellipsoid voids. The CDs and photoluminescence (PL) distribute at the periphery of the voids. The PL spectral properties were studied through the excitation/emission matrix in the visible range and excitation/emission spectra in the UV/visible range. Our findings reveal the presence of at least three distinct luminescent species, facilitating a broad excitation range extending from UV to green, and light emission spanning from blue to red. The average laser power and dose influence the quantity and ratio of these luminescent CD species. Additionally, we measured the spatially resolved lifetime of the luminescence during and after the irradiation. We found longer lifetimes at the periphery of the laser-induced modified regions and shorter ones closer to the center, with a dominant lifetime ~2 ns. Notably, unlike many other luminophores, these laser-induced CDs are insensitive to oxygen, enhancing their potential for display or data storage applications.
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Affiliation(s)
- Ruyue Que
- CNRS, ENS Paris-Saclay, CentraleSupélec, LuMIn, Université Paris-Saclay, 91190 Gif-sur-Yvette, France; (R.Q.); (J.-F.A.); (R.B.P.)
| | - Jean-Frédéric Audibert
- CNRS, ENS Paris-Saclay, CentraleSupélec, LuMIn, Université Paris-Saclay, 91190 Gif-sur-Yvette, France; (R.Q.); (J.-F.A.); (R.B.P.)
| | - Enrique Garcia-Caurel
- Institut Polytechnique de Paris, CNRS, École Polytechnique, LPICM, 91120 Palaiseau, France;
| | - Olivier Plantevin
- Laboratoire de Physique des Solides, CNRS, Université Paris-Saclay, 91405 Orsay, France;
| | - Kyriacos Kalli
- Nanophotonics Research Laboratory, Cyprus University of Technology, 3036 Limassol, Cyprus
| | - Matthieu Lancry
- Institut de Chimie Moléculaire et des Matériaux d’Orsay, CNRS, Université Paris-Saclay, 91405 Orsay, France;
| | - Bertrand Poumellec
- Institut de Chimie Moléculaire et des Matériaux d’Orsay, CNRS, Université Paris-Saclay, 91405 Orsay, France;
| | - Robert B. Pansu
- CNRS, ENS Paris-Saclay, CentraleSupélec, LuMIn, Université Paris-Saclay, 91190 Gif-sur-Yvette, France; (R.Q.); (J.-F.A.); (R.B.P.)
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2
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Huang C, Liang M, Wang B, Su R, Feng Y, Xing W, Zhao X, Bian X, You Z, You R. In Situ Laser-Induced 3D Porous Graphene within Transparent Polymers for Encapsulation-Free and Tunable Ultrabroadband Terahertz Absorption. ACS APPLIED MATERIALS & INTERFACES 2024; 16:26557-26567. [PMID: 38736285 DOI: 10.1021/acsami.4c03055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2024]
Abstract
Three-dimensional (3D) porous carbon materials have great potential for fabricating flexible tunable broadband absorbers owing to their high electrical conductivity, strong dielectric loss, and unique microstructure. Herein, we introduce an innovative method for synthesizing 3D porous graphene that incorporates advanced tuning and encapsulation processes to augment its functional efficacy. Through the modulation of both thermal and nonthermal interactions between a femtosecond (fs) laser and a polydimethylsiloxane (PDMS) film, we have synergistically fine-tuned the surface morphology and lattice properties of 3D porous graphene. This approach enabled us to create a flexible terahertz (THz) absorber with customizable characteristics, boasting an impressive absorbance range of 80%-99% in the 0.4-1.0 THz spectrum, alongside a peak reflection loss (RL) of up to 35.6 dB. Furthermore, we have successfully demonstrated the production of photoinduced 3D porous graphene within a PDMS film, which serves as both a carbon precursor and protective layer. This simplifies the conventional packaging process. These devices exhibit a RL of up to 41.6 dB and an absorption bandwidth of 2.5 THz (0.6-3.1 THz). Our study presents a production methodology for high-performance, flexible THz absorbers, offering a straightforward and innovative solution for the rapid development of sophisticated, flexible THz absorbing materials.
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Affiliation(s)
- Chaojun Huang
- Laboratory of Intelligent Microsystems, School of Instrument Science and Optoelectronics Engineering, Beijing Information Science and Technology University, Beijing 100192, China
| | - Misheng Liang
- Laboratory of Intelligent Microsystems, School of Instrument Science and Optoelectronics Engineering, Beijing Information Science and Technology University, Beijing 100192, China
| | - Bo Wang
- Institute of Medical Equipment Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
- Jingzhen Medical Technology, Ltd., Beijing 102600, China
- Matrix Medical Technology, Ltd., Jiangsu 215024, China
| | - Ruige Su
- Laboratory of Intelligent Microsystems, School of Instrument Science and Optoelectronics Engineering, Beijing Information Science and Technology University, Beijing 100192, China
| | - Yanshuo Feng
- Laboratory of Intelligent Microsystems, School of Instrument Science and Optoelectronics Engineering, Beijing Information Science and Technology University, Beijing 100192, China
| | - Wenqiang Xing
- Laboratory of Intelligent Microsystems, School of Instrument Science and Optoelectronics Engineering, Beijing Information Science and Technology University, Beijing 100192, China
| | - Xiaoguang Zhao
- Department of Precision Instrument, Tsinghua University, Beijing 100084, China
| | - Xiaomeng Bian
- Laboratory of Intelligent Microsystems, School of Instrument Science and Optoelectronics Engineering, Beijing Information Science and Technology University, Beijing 100192, China
| | - Zheng You
- Department of Precision Instrument, Tsinghua University, Beijing 100084, China
| | - Rui You
- Laboratory of Intelligent Microsystems, School of Instrument Science and Optoelectronics Engineering, Beijing Information Science and Technology University, Beijing 100192, China
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Ghasemlou M, Pn N, Alexander K, Zavabeti A, Sherrell PC, Ivanova EP, Adhikari B, Naebe M, Bhargava SK. Fluorescent Nanocarbons: From Synthesis and Structure to Cancer Imaging and Therapy. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2312474. [PMID: 38252677 DOI: 10.1002/adma.202312474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 01/08/2024] [Indexed: 01/24/2024]
Abstract
Nanocarbons are emerging at the forefront of nanoscience, with diverse carbon nanoforms emerging over the past two decades. Early cancer diagnosis and therapy, driven by advanced chemistry techniques, play a pivotal role in mitigating mortality rates associated with cancer. Nanocarbons, with an attractive combination of well-defined architectures, biocompatibility, and nanoscale dimension, offer an incredibly versatile platform for cancer imaging and therapy. This paper aims to review the underlying principles regarding the controllable synthesis, fluorescence origins, cellular toxicity, and surface functionalization routes of several classes of nanocarbons: carbon nanodots, nanodiamonds, carbon nanoonions, and carbon nanohorns. This review also highlights recent breakthroughs regarding the green synthesis of different nanocarbons from renewable sources. It also presents a comprehensive and unified overview of the latest cancer-related applications of nanocarbons and how they can be designed to interface with biological systems and work as cancer diagnostics and therapeutic tools. The commercial status for large-scale manufacturing of nanocarbons is also presented. Finally, it proposes future research opportunities aimed at engendering modifiable and high-performance nanocarbons for emerging applications across medical industries. This work is envisioned as a cornerstone to guide interdisciplinary teams in crafting fluorescent nanocarbons with tailored attributes that can revolutionize cancer diagnostics and therapy.
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Affiliation(s)
- Mehran Ghasemlou
- School of Science, STEM College, RMIT University, Melbourne, VIC, 3001, Australia
- Center for Sustainable Products, Deakin University, Waurn Ponds, VIC, 3216, Australia
| | - Navya Pn
- Centre for Advanced Materials and Industrial Chemistry (CAMIC), School of Science, RMIT University, Melbourne, VIC, 3001, Australia
| | - Katia Alexander
- School of Engineering, The Australian National University, Canberra, ACT, 2601, Australia
| | - Ali Zavabeti
- Department of Chemical Engineering, The University of Melbourne, Parkville, VIC, 3010, Australia
| | - Peter C Sherrell
- School of Science, STEM College, RMIT University, Melbourne, VIC, 3001, Australia
- Department of Chemical Engineering, The University of Melbourne, Parkville, VIC, 3010, Australia
| | - Elena P Ivanova
- School of Science, STEM College, RMIT University, Melbourne, VIC, 3001, Australia
| | - Benu Adhikari
- School of Science, STEM College, RMIT University, Melbourne, VIC, 3001, Australia
- Centre for Advanced Materials and Industrial Chemistry (CAMIC), School of Science, RMIT University, Melbourne, VIC, 3001, Australia
| | - Minoo Naebe
- Carbon Nexus, Institute for Frontier Materials, Deakin University, Waurn Ponds, VIC, 3216, Australia
| | - Suresh K Bhargava
- School of Science, STEM College, RMIT University, Melbourne, VIC, 3001, Australia
- Centre for Advanced Materials and Industrial Chemistry (CAMIC), School of Science, RMIT University, Melbourne, VIC, 3001, Australia
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Li Q, Zhao H, Yang D, Meng S, Gu H, Xiao C, Li Y, Cheng D, Qu S, Zeng H, Zhu X, Tan J, Ding J. Direct in Situ Fabrication of Multicolor Afterglow Carbon Dot Patterns with Transparent and Traceless Features via Laser Direct Writing. NANO LETTERS 2024; 24:3028-3035. [PMID: 38411557 DOI: 10.1021/acs.nanolett.3c04192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/28/2024]
Abstract
Multicolor afterglow patterns with transparent and traceless features are important for the exploration of new functionalities and applications. Herein, we report a direct in situ patterning technique for fabricating afterglow carbon dots (CDs) based on laser direct writing (LDW) for the first time. We explore a facile step-scanning method that reduces the heat-affected zone and avoids uneven heating, thus producing a fine-resolution afterglow CD pattern with a minimum line width of 80 μm. Unlike previous LDW-induced luminescence patterns, the patterned CD films are traceless and transparent, which is mainly attributed to a uniform heat distribution and gentle temperature rise process. Interestingly, by regulating the laser parameters and CD precursors, an increased carbonization and oxidation degree of CDs could be obtained, thus enabling time-dependent, tunable afterglow colors from blue to red. In addition, we demonstrate their potential applications in the in situ fabrication of flexible and stretchable optoelectronics.
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Affiliation(s)
- Qijun Li
- School of Mechanical Engineering; Institute of Technology for Carbon Neutralization, Yangzhou University, Yangzhou 225009, People's Republic of China
| | - Hongjia Zhao
- School of Mechanical Engineering; Institute of Technology for Carbon Neutralization, Yangzhou University, Yangzhou 225009, People's Republic of China
| | - Daiqi Yang
- School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, People's Republic of China
| | - Shuai Meng
- School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, People's Republic of China
| | - Hailing Gu
- School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, People's Republic of China
| | - Chi Xiao
- School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, People's Republic of China
| | - Yi Li
- School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, People's Republic of China
| | - Dengke Cheng
- School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, People's Republic of China
| | - Songnan Qu
- Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Macao 999078, People's Republic of China
| | - Haibo Zeng
- Institute of Optoelectronics & Nanomaterials, College of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, People's Republic of China
| | - Xingwang Zhu
- School of Mechanical Engineering; Institute of Technology for Carbon Neutralization, Yangzhou University, Yangzhou 225009, People's Republic of China
| | - Jing Tan
- School of Mechanical Engineering; Institute of Technology for Carbon Neutralization, Yangzhou University, Yangzhou 225009, People's Republic of China
| | - Jianning Ding
- School of Mechanical Engineering; Institute of Technology for Carbon Neutralization, Yangzhou University, Yangzhou 225009, People's Republic of China
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5
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Park H, Park JJ, Bui PD, Yoon H, Grigoropoulos CP, Lee D, Ko SH. Laser-Based Selective Material Processing for Next-Generation Additive Manufacturing. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023:e2307586. [PMID: 37740699 DOI: 10.1002/adma.202307586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 09/14/2023] [Indexed: 09/25/2023]
Abstract
The connection between laser-based material processing and additive manufacturing is quite deeply rooted. In fact, the spark that started the field of additive manufacturing is the idea that two intersecting laser beams can selectively solidify a vat of resin. Ever since, laser has been accompanying the field of additive manufacturing, with its repertoire expanded from processing only photopolymer resin to virtually any material, allowing liberating customizability. As a result, additive manufacturing is expected to take an even more prominent role in the global supply chain in years to come. Herein, an overview of laser-based selective material processing is presented from various aspects: the physics of laser-material interactions, the materials currently used in additive manufacturing processes, the system configurations that enable laser-based additive manufacturing, and various functional applications of next-generation additive manufacturing. Additionally, current challenges and prospects of laser-based additive manufacturing are discussed.
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Affiliation(s)
- Huijae Park
- Applied Nano and Thermal Science Lab, Department of Mechanical Engineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, South Korea
| | - Jung Jae Park
- Applied Nano and Thermal Science Lab, Department of Mechanical Engineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, South Korea
| | - Phuong-Danh Bui
- Laser and Thermal Engineering Lab, Department of Mechanical Engineering, Gachon University, 1342 Seongnamdaero, Sujeong-gu, Seongnam, 13120, South Korea
| | - Hyeokjun Yoon
- Applied Nano and Thermal Science Lab, Department of Mechanical Engineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, South Korea
| | - Costas P Grigoropoulos
- Laser Thermal Lab, Department of Mechanical Engineering, University of California at Berkeley, Berkeley, CA, 94720, USA
| | - Daeho Lee
- Laser and Thermal Engineering Lab, Department of Mechanical Engineering, Gachon University, 1342 Seongnamdaero, Sujeong-gu, Seongnam, 13120, South Korea
| | - Seung Hwan Ko
- Applied Nano and Thermal Science Lab, Department of Mechanical Engineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, South Korea
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6
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Lu Y, Jin B, Zheng R, Wu S, Zhao D, Qiu M. Production and Patterning of Fluorescent Quantum Dots by Cryogenic Electron-Beam Writing. ACS APPLIED MATERIALS & INTERFACES 2023; 15:12154-12160. [PMID: 36848286 DOI: 10.1021/acsami.2c21052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Graphene quantum dots (GQDs) have emerged as a promising type of functional material with distinguished properties. Although tremendous effort was devoted to the preparation of GQDs, their applications are still limited due to a lack of methods for processing GQDs from synthesis to patterning smoothly. Here, we demonstrate that aromatic molecules, e.g., anisole, can be directly converted into GQD-containing nanostructures by cryogenic electron-beam writing. Such an electron-beam irradiation product exhibits evenly red fluorescence emission under laser excitation at 473 nm, and its photoluminescence intensity can be easily tuned with the electron-beam exposure dose. Experimental characterizations on the chemical composition of the product reveal that anisole undergoes a carbonization and further graphitization process during e-beam irradiation. With conformal coating of anisole, our approach can create arbitrary fluorescent patterns on both planar and curved surfaces for concealing information or anticounterfeiting applications. This study provides a one-step method for production and patterning of GQDs, facilitating their applications in highly integrated and compact optoelectronic devices.
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Affiliation(s)
- Yihan Lu
- College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou 310027, China
- Key Laboratory of 3D Micro/Nano Fabrication and Characterization of Zhejiang Province, School of Engineering, Westlake University, Hangzhou 310024, China
- Institute of Advanced Technology, Westlake Institute for Advanced Study, Hangzhou 310024, China
| | - Binbin Jin
- Key Laboratory of 3D Micro/Nano Fabrication and Characterization of Zhejiang Province, School of Engineering, Westlake University, Hangzhou 310024, China
- Institute of Advanced Technology, Westlake Institute for Advanced Study, Hangzhou 310024, China
| | - Rui Zheng
- College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou 310027, China
- Key Laboratory of 3D Micro/Nano Fabrication and Characterization of Zhejiang Province, School of Engineering, Westlake University, Hangzhou 310024, China
- Institute of Advanced Technology, Westlake Institute for Advanced Study, Hangzhou 310024, China
| | - Shan Wu
- Key Laboratory of 3D Micro/Nano Fabrication and Characterization of Zhejiang Province, School of Engineering, Westlake University, Hangzhou 310024, China
- Institute of Advanced Technology, Westlake Institute for Advanced Study, Hangzhou 310024, China
| | - Ding Zhao
- Key Laboratory of 3D Micro/Nano Fabrication and Characterization of Zhejiang Province, School of Engineering, Westlake University, Hangzhou 310024, China
- Institute of Advanced Technology, Westlake Institute for Advanced Study, Hangzhou 310024, China
| | - Min Qiu
- Key Laboratory of 3D Micro/Nano Fabrication and Characterization of Zhejiang Province, School of Engineering, Westlake University, Hangzhou 310024, China
- Institute of Advanced Technology, Westlake Institute for Advanced Study, Hangzhou 310024, China
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Wu C, Zhang S, Zheng Y, Wang A, Zhao Q, Sun W, Liu W, Long C, Wang Q. Solvent-Type Passivation Strategy Controls Solid-State Self-Quenching-Resistant Behavior in Sulfur Dots. Inorg Chem 2022; 61:21157-21168. [PMID: 36520141 DOI: 10.1021/acs.inorgchem.2c04002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Treatment of sulfur dots with polyethylene glycol (PEG) has been an efficient way to achieve a high luminescence quantum yield, and such a PEG-related quantum dot (QD)-synthesis strategy has been well documented. However, the polymeric insulating capping layer acting as the "thick shell" will significantly slow down the electron-transfer efficiency and severely hamper its practical application in an optoelectric field. Especially, the employment of synthetic polymers with long alkyl chains or large molecular weights may lead to structural complexity or even unexpected changes of physical characteristics for QDs. Therefore, in sulfur dot preparation, it is a breakthrough to use short-chain molecular species to replace PEG for better control and reproducibility. In this article, a solvent-type passivation (STP) strategy has been reported, and no PEG or any other capping agent is required. The main role of the solvent, ethanol, is to directly react with NaOH, and the generated sodium ethoxide passivates the surface defects. The afforded STP-enhanced emission sulfur dots (STPEE-SDs) possess not only the self-quenching-resistant feature in the solid state but also the extension of fluorescence band toward the wavelength as long as 645 nm. The realization of sulfur dot emission in the deep-red region with a decent yield (8.7%) has never been reported. Moreover, a super large Stokes shift (300 nm, λex = 345 nm, λem = 645 nm) and a much longer decay lifetime (109 μs) have been found, and such values can facilitate to suppress the negative influence from background signals. Density functional theory demonstrates that the surface passivation via sodium ethoxide is dynamically favorable, and the spectroscopic insights into emission behavior could be derived from the passivation effect of the sulfur vacancy as well as the charge-transfer process dominated by the highly electronegative ethoxide layer.
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Affiliation(s)
- Chuqiao Wu
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, Guangzhou510006, China
| | - Shuting Zhang
- Department of Pharmacy, Huizhou Health Sciences Polytechnic, Huizhou516025, China
| | - Yuhui Zheng
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, Guangzhou510006, China
| | - Aiqi Wang
- Department of Pharmacy, Huizhou Health Sciences Polytechnic, Huizhou516025, China
| | - Qiming Zhao
- School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan411201, China
| | - Wenjie Sun
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, Guangzhou510006, China
| | - Wanqiang Liu
- School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan411201, China
| | - Chenggang Long
- Ruide Technologies (Foshan) Inc, Foshan, Guangdong528311, China
| | - Qianming Wang
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, Guangzhou510006, China
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