1
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Li T, Kosgei BK, Soko GF, Meena SS, Cao Q, Hou X, Cheng T, Wen W, Liu Q, Zhang L, Han RPS. An immunosensor for the near real-time and site of inflammation detections of multiple proinflammatory cytokines. Biosens Bioelectron 2024; 263:116618. [PMID: 39106691 DOI: 10.1016/j.bios.2024.116618] [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: 12/25/2023] [Revised: 07/15/2024] [Accepted: 07/29/2024] [Indexed: 08/09/2024]
Abstract
Diseases mediated by cytokine storms are often characterized by an overexuberant pace of pathogenesis accompanied by significant morbidity and mortality. Thus, near real-time (NRT) detections via a site-of-inflammation (SOI) sampling of proinflammatory cytokines are essential to ensure a timely and effective treatment of acute inflammations, which up to now, has not been fully possible. In this work, we proposed a novel NRT and SOI immunosensor using ZIF-8 signal amplification together with an off-on strategy. To achieve NRT detections via a SOI sampling, the body fluid of choice is the dermal interstitial fluid (ISF). The significant merits of ISF over blood are the quality, quantity and diversity of ISF-based biomarkers; the fluid is non-coagulating, making it feasible to perform multiple or continuous samplings and the sampling is minimally invasive. Our immunosensor requires only 5 μL of ISF to achieve a simultaneous detection of five highly potent proinflammatory cytokines: IL-6, IFN-γ, IL-1β, TNF-α, IP-10. We employed a microneedle array patch (MAP) together with a trifurcated nozzle pump to extract a mean volume of between 30 and 60 μL of ISF in 20 min. Under optimal conditions, the biosensor is capable of high-quality performance that exhibits a lower limit of detection (LOD) of 5.761 pg/mL over a wide linear range of 5.761-3 ‒ 20.00 ng/mL. We believe our immunosensor for NRT detections via a SOI sampling of ISF-biomarkers offers new theranostic opportunities that may not be possible with blood-based biomarkers.
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Affiliation(s)
- Tong Li
- Jiangzhong Cancer Research Center & Jiangxi Engineering Research Center for Translational Cancer Technology, Jiangxi University of Chinese Medicine, Nanchang, Jiangxi, 330004, China
| | - Benson K Kosgei
- Jiangzhong Cancer Research Center & Jiangxi Engineering Research Center for Translational Cancer Technology, Jiangxi University of Chinese Medicine, Nanchang, Jiangxi, 330004, China
| | - Geofrey F Soko
- Jiangzhong Cancer Research Center & Jiangxi Engineering Research Center for Translational Cancer Technology, Jiangxi University of Chinese Medicine, Nanchang, Jiangxi, 330004, China
| | - Stephene S Meena
- Jiangzhong Cancer Research Center & Jiangxi Engineering Research Center for Translational Cancer Technology, Jiangxi University of Chinese Medicine, Nanchang, Jiangxi, 330004, China
| | - Qianan Cao
- Jiangzhong Cancer Research Center & Jiangxi Engineering Research Center for Translational Cancer Technology, Jiangxi University of Chinese Medicine, Nanchang, Jiangxi, 330004, China
| | - Xinju Hou
- Jiangzhong Cancer Research Center & Jiangxi Engineering Research Center for Translational Cancer Technology, Jiangxi University of Chinese Medicine, Nanchang, Jiangxi, 330004, China; Dept. of Rehabilitation, Nanchang Hongdu Hospital, 1399 Diezihu Road, Honggutan, Nanchang, Jiangxi, 330008, China
| | - Tingjun Cheng
- Jiangzhong Cancer Research Center & Jiangxi Engineering Research Center for Translational Cancer Technology, Jiangxi University of Chinese Medicine, Nanchang, Jiangxi, 330004, China
| | - Weijie Wen
- Jiangzhong Cancer Research Center & Jiangxi Engineering Research Center for Translational Cancer Technology, Jiangxi University of Chinese Medicine, Nanchang, Jiangxi, 330004, China
| | - Qingjun Liu
- Biosensor National Special Laboratory & Key Laboratory for Biomedical Engineering of Education Ministry, Dept. of Biomedical Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Ling Zhang
- School of Pharmacy, Jiangxi University of Chinese Medicine, Nanchang, Jiangxi, 330004, China.
| | - Ray P S Han
- Jiangzhong Cancer Research Center & Jiangxi Engineering Research Center for Translational Cancer Technology, Jiangxi University of Chinese Medicine, Nanchang, Jiangxi, 330004, China.
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2
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Liu J, Yang Y, Lin W, Wang W, Xiao S, Guo X, Zhu C, Zhang L. Cu 1.94S-ZnS-CdS ternary heteronanoplates with efficient carrier transfer for enhanced photocatalytic hydrogen evolution. J Colloid Interface Sci 2024; 672:744-752. [PMID: 38870765 DOI: 10.1016/j.jcis.2024.06.030] [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: 04/02/2024] [Revised: 05/17/2024] [Accepted: 06/04/2024] [Indexed: 06/15/2024]
Abstract
Incorporating precise morphology control and efficient carrier separation into single-nanoparticle heterojunctions to achieve high photocatalytic efficiency remains a significant challenge. Here, we synthesized Cu1.94S-ZnS-CdS ternary heteronanoplates (HNPs) with a continuous sublattice structure using cation exchange reactions. Femtosecond transient absorption spectroscopy (TAS) confirms that ternary heterojunction enhances carrier separation efficiency, demonstrating both rapid separation (∼0.2 ps) and an extended lifetime (∼1512 ps). The synergistic combination results in a significantly enhanced hydrogen evolution rate of 2.012 mmol·g-1·h-1, which is 17 times and 183 times higher than that achieved by pure CdS and ZnS, respectively. Furthermore, there is no significant decrease in the activity of Cu1.94S-ZnS-CdS in photocatalytic hydrogen evolution after 288 days of placement. Our work offers an alternative approach for designing noble-metal-free photocatalysts with precisely defined materials and interfaces, aiming to enhance both photocatalytic hydrogen evolution efficiency and stability.
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Affiliation(s)
- Jiawen Liu
- School of Metallurgy and Environment, Central South University, Changsha 410083, China; Research Institute of Resource Recycling, Central South University, Changsha 410083, China
| | - Ying Yang
- School of Metallurgy and Environment, Central South University, Changsha 410083, China; Research Institute of Resource Recycling, Central South University, Changsha 410083, China.
| | - Weihuang Lin
- School of Metallurgy and Environment, Central South University, Changsha 410083, China; Research Institute of Resource Recycling, Central South University, Changsha 410083, China
| | - Weijia Wang
- Institute of Clinical Medicine, the Second Affiliated Hospital of Hainan Medical University, Haikou 570311, China.
| | - Si Xiao
- Hunan Key Laboratory of Nanophotonics and Devices, School of Physics, Central South University, Changsha 410083, China.
| | - Xueyi Guo
- School of Metallurgy and Environment, Central South University, Changsha 410083, China; Research Institute of Resource Recycling, Central South University, Changsha 410083, China
| | - Congtan Zhu
- School of Metallurgy and Environment, Central South University, Changsha 410083, China; Research Institute of Resource Recycling, Central South University, Changsha 410083, China
| | - Lin Zhang
- School of Metallurgy and Environment, Central South University, Changsha 410083, China; Research Institute of Resource Recycling, Central South University, Changsha 410083, China
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3
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Zheng J, Zhao Z, Liang J, Liang B, Huang H, Huang G, Junaid M, Wang J, Huang K. Simultaneous photocatalytic removal of tetracycline and hexavalent chromium by BiVO 4/0.6CdS photocatalyst: Insights into the performance, evaluation, calculation and mechanism. J Colloid Interface Sci 2024; 667:650-662. [PMID: 38663280 DOI: 10.1016/j.jcis.2024.04.127] [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: 01/11/2024] [Revised: 04/16/2024] [Accepted: 04/17/2024] [Indexed: 05/12/2024]
Abstract
In this study, a novel Z-scheme heterojunction on bismuth vanadium/cadmium sulfide (BiVO4/0.6CdS) was developed and evaluated for simultaneous photocatalytic removal of combined tetracycline (TC) and hexavalent chromium Cr(Ⅵ) pollution under visible light. Based on the analysis of intermediate products and theoretical calculation, the property of the intermediate products of TC degradation and the effect of built-in electric field (IEF) of composite materials on photo-generated carrier separation were illustrated. According to the experiments and evaluation results, the performance of BiVO4/0.6CdS is higher than CdS 2.83 times and 4.82 times under the visible light conditions, with the aspect of simultaneous oxidizing TC and reducing Cr(Ⅵ), respectively. The catalyst has a faster removal rate in the binary composite pollution system than the single one. Therefore, the photocatalytic degradation of TC using BiVO4/0.6CdS can reduce the toxic effect of TC on the environment. The aforementioned evaluation provides a new design strategy for Z-scheme heterojunction to simultaneous photocatalytic degradation of composite organic and inorganic pollutants.
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Affiliation(s)
- Jiahui Zheng
- School of Chemistry and Chemical Engineering, Guangxi University, 530004 Nanning, PR China; National Key Laboratory of Non-food Biomass Energy Technology, Guangxi Key Laboratory of Bio-refinery, Institute of Eco-Environmental Research, Guangxi Academy of Sciences, 98 Daling Road, 530007 Nanning, PR China
| | - Zhenxia Zhao
- School of Chemistry and Chemical Engineering, Guangxi University, 530004 Nanning, PR China
| | - Jing Liang
- National Key Laboratory of Non-food Biomass Energy Technology, Guangxi Key Laboratory of Bio-refinery, Institute of Eco-Environmental Research, Guangxi Academy of Sciences, 98 Daling Road, 530007 Nanning, PR China.
| | - Bin Liang
- National Key Laboratory of Non-food Biomass Energy Technology, Guangxi Key Laboratory of Bio-refinery, Institute of Eco-Environmental Research, Guangxi Academy of Sciences, 98 Daling Road, 530007 Nanning, PR China
| | - Hualin Huang
- National Key Laboratory of Non-food Biomass Energy Technology, Guangxi Key Laboratory of Bio-refinery, Institute of Eco-Environmental Research, Guangxi Academy of Sciences, 98 Daling Road, 530007 Nanning, PR China
| | - Gang Huang
- National Key Laboratory of Non-food Biomass Energy Technology, Guangxi Key Laboratory of Bio-refinery, Institute of Eco-Environmental Research, Guangxi Academy of Sciences, 98 Daling Road, 530007 Nanning, PR China
| | - Muhammad Junaid
- College of Marine Sciences, South China Agricultural University, Guangzhou 510642, PR China
| | - Jun Wang
- National Key Laboratory of Non-food Biomass Energy Technology, Guangxi Key Laboratory of Bio-refinery, Institute of Eco-Environmental Research, Guangxi Academy of Sciences, 98 Daling Road, 530007 Nanning, PR China; College of Marine Sciences, South China Agricultural University, Guangzhou 510642, PR China
| | - Kai Huang
- School of Chemistry and Chemical Engineering, Guangxi University, 530004 Nanning, PR China; National Key Laboratory of Non-food Biomass Energy Technology, Guangxi Key Laboratory of Bio-refinery, Institute of Eco-Environmental Research, Guangxi Academy of Sciences, 98 Daling Road, 530007 Nanning, PR China.
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4
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Jiang D, Li Z, Li H, Cheng Y, Du H, Zhu C, Meng L, Fang Y, Zhao C, Lou Z, Lu Z, Yuan Y. Achieving Long-Lived Charge Separated State through Ultrafast Interfacial Hole Transfer in Redox Sites-Isolated CdS Nanorods for Enhanced Photocatalysis. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2310414. [PMID: 38294968 DOI: 10.1002/smll.202310414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 01/02/2024] [Indexed: 02/02/2024]
Abstract
As opposed to natural photosynthesis, a significant challenge in a semiconductor-based photocatalyst is the limited hole extraction efficiency, which adversely affects solar-to-fuel efficiency. Recent studies have demonstrated that photocatalysts featuring spatially isolated dual catalytic oxidation/reduction sites can yield enhanced hole extraction efficiencies. However, the decay dynamics of excited states in such photocatalysts have not been explored. Here a ternary barbell-shaped CdS/MoS2/Cu2S heterostructure is prepared, comprising CdS nanorods (NRs) interfaced with MoS2 nanosheets at both ends and Cu2S nanoparticles on the sidewall. By using transient absorption (TA) spectra, highly efficient charge separation within the CdS/MoS2/Cu2S heterostructure are identified. This is achieved through directed electron transfer to the MoS2 tips at a rate constant of >8.3 × 109 s-1 and rapid hole transfer to the Cu2S nanoparticles on the sidewall at a rate of >6.1 × 1010 s-1, leading to an exceptional overall charge transfer constant of 2.3 × 1011 s-1 in CdS/MoS2/Cu2S. The enhanced hole transfer efficiency results in a remarkably prolonged charge-separated state, facilitating efficient electron accumulation within the MoS2 tips. Consequently, the ternary CdS/MoS2/Cu2S heterostructure demonstrates a 22-fold enhancement in visible-light-driven H2 generation compare to pure CdS nanorods. This work highlights the significance of efficient hole extraction in enhancing the solar-to-H2 performance of semiconductor-based heterostructure.
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Affiliation(s)
- Daochuan Jiang
- School of Materials Science and Engineering, and the Key Laboratory of Structure and Functional Regulation of Hybrid Materials (Anhui University), Ministry of Education, Anhui University, Hefei, 230601, P. R. China
| | - Zhongfei Li
- School of Materials Science and Engineering, and the Key Laboratory of Structure and Functional Regulation of Hybrid Materials (Anhui University), Ministry of Education, Anhui University, Hefei, 230601, P. R. China
| | - Hao Li
- Anhui Province Key Laboratory for Control and Applications of Optoelectronic Information Materials, School of Physics and Electronic Information, Anhui Normal University, Wuhu, 241002, P. R. China
| | - Yingpeng Cheng
- School of Materials Science and Engineering, and the Key Laboratory of Structure and Functional Regulation of Hybrid Materials (Anhui University), Ministry of Education, Anhui University, Hefei, 230601, P. R. China
| | - Haiwei Du
- School of Materials Science and Engineering, and the Key Laboratory of Structure and Functional Regulation of Hybrid Materials (Anhui University), Ministry of Education, Anhui University, Hefei, 230601, P. R. China
| | - Chuhong Zhu
- School of Materials Science and Engineering, and the Key Laboratory of Structure and Functional Regulation of Hybrid Materials (Anhui University), Ministry of Education, Anhui University, Hefei, 230601, P. R. China
| | - Lingchen Meng
- Anhui Province Key Laboratory for Control and Applications of Optoelectronic Information Materials, School of Physics and Electronic Information, Anhui Normal University, Wuhu, 241002, P. R. China
| | - Yuetong Fang
- Anhui Province Key Laboratory for Control and Applications of Optoelectronic Information Materials, School of Physics and Electronic Information, Anhui Normal University, Wuhu, 241002, P. R. China
| | - Chunyi Zhao
- Anhui Province Key Laboratory for Control and Applications of Optoelectronic Information Materials, School of Physics and Electronic Information, Anhui Normal University, Wuhu, 241002, P. R. China
| | - Zaizhu Lou
- Guangdong Provincial Key Laboratory of Nanophotonic Manipulation, Institute of Nanophotonics, College of Physics and Optoelectronic Engineering, Jinan University, Guangzhou, 511443, P. R. China
| | - Zhou Lu
- Anhui Province Key Laboratory for Control and Applications of Optoelectronic Information Materials, School of Physics and Electronic Information, Anhui Normal University, Wuhu, 241002, P. R. China
| | - Yupeng Yuan
- School of Materials Science and Engineering, and the Key Laboratory of Structure and Functional Regulation of Hybrid Materials (Anhui University), Ministry of Education, Anhui University, Hefei, 230601, P. R. China
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5
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Zhao B, Shakouri M, Feng R, Regier T, Zeng Y, Zhang Y, Zhang J, Wang L, Luo JL, Fu XZ. Crystallization Engineering of CuNi 2 S 4 Ultra-Fine Nanocrystals with Optimized Band Structures for Efficient Photocatalytic Pollutant Degradation and Hydrogen Production. SMALL METHODS 2023; 7:e2201612. [PMID: 37452235 DOI: 10.1002/smtd.202201612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 05/26/2023] [Indexed: 07/18/2023]
Abstract
The mono-dispersed cubic siegenite CuNi2 S4 ultra-fine (≈5 nm) nanocrystals are fabricated through crystallization engineering under hot injection. The strong hydroxylation on mostly exposed CuNi2 S4 (220) surface leads to the formation of multi-valence (Cu+ , Cu2+ , Ni2+ , Ni3+ ) species with unsaturated hybridization and coordination micro-environments, which can induce rich redox reactions to optimize interfacial kinetics for the adsorbed reaction intermediates. The as-synthesized CuNi2 S4 nanocrystals with ultra-small particle size and the characteristics of being highly dispersed can increase specific surface area and hydroxylated active sites, which considerably contribute to the improvement of photocatalytic activities. Experimental and theoretical studies indicate that the CuNi2 S4 with unique surface condition can properly modulate the charge density distribution and the electronic band structure, thus achieving an optimal band gap for enhancing visible light absorption. Additionally, the strong hydroxylation on CuNi2 S4 (220) surface can not only make the photocatalytic process stable in alkaline environment but also bring about an impurity level between conduction and valence band, which facilitates the separation of photo-induced charge carriers by suppressing the rapid re-combination of exited electrons and holes. The optimization of band structure should be the intrinsic reason for the efficient photocatalytic pollutant degradation and hydrogen production under visible light illumination.
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Affiliation(s)
- Bin Zhao
- Shenzhen Key Laboratory of Energy Electrocatalytic Materials, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Mohsen Shakouri
- Canadian Light Source Inc., Saskatoon, Saskatchewan, S7N 0X4, Canada
| | - Renfei Feng
- Canadian Light Source Inc., Saskatoon, Saskatchewan, S7N 0X4, Canada
| | - Tom Regier
- Canadian Light Source Inc., Saskatoon, Saskatchewan, S7N 0X4, Canada
| | - Yuxiang Zeng
- Shenzhen Key Laboratory of Energy Electrocatalytic Materials, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Yu Zhang
- Instrumental Analysis Center of Shenzhen University (Lihu Campus), Shenzhen University, Shenzhen, Guangdong, 518055, China
| | - Jiujun Zhang
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
- Institute for Sustainable Energy, College of Sciences, Shanghai University, Shanghai, 200444, China
| | - Lei Wang
- Shenzhen Key Laboratory of Energy Electrocatalytic Materials, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Jing-Li Luo
- Shenzhen Key Laboratory of Energy Electrocatalytic Materials, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Xian-Zhu Fu
- Shenzhen Key Laboratory of Energy Electrocatalytic Materials, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
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6
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Navakoteswara Rao V, Kedhareswara Sairam P, Kim MD, Rezakazemi M, Aminabhavi TM, Ahn CW, Yang JM. CdS/TiO 2 nano hybrid heterostructured materials for superior hydrogen production and gas sensor applications. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 340:117895. [PMID: 37121008 DOI: 10.1016/j.jenvman.2023.117895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 03/27/2023] [Accepted: 04/07/2023] [Indexed: 05/12/2023]
Abstract
In efforts to minimize environmental pollution and carbon-based gas emissions, photocatalytic hydrogen production and sensing applications at ambient temperature are important. This research reports on the development of new 0D/1D materials based on TiO2 nanoparticles grown onto CdS hetersturctured nanorods via two-stage facile synthesis. The titanate nanoparticles when loaded onto CdS surfaces at an optimized concentration (20 mM), exhibited superior photocatalytic hydrogen production (21.4 mmol/h/gcat). The optimized nanohybrid was recycled for 6 cycles up to 4 h, indicating its excellent stabity for a prolonged period. Also, the photoelectrochemical water oxidation in alkaline medium was investigated to offer the optimized CRT-2 composite with 1.91 mA/cm2@0.8 V vs. RHE (0 V vs. Ag/AgCl) that was used for effective room-temperature NO2 gas detection exhibiting a higher response (69.16%) to NO2 (100 ppm) at room temperature at the lowest detection limit of ∼118 ppb than the pristine counterparts. Further, NO2 gas sensing performance of CRT-2 sensor was increased using UV light (365 nm) activation energy. Under the UV light, the sensor exhibited a remarkable gas sensing response quick response/recovery times (68/74), excellent long-term cycling stability, and significant selectivity to NO2 gas. Due to high porosity and surface area values of CdS (5.3), TiO2 (35.5), and CRT-2 (71.5 m2/g), excellent photocatalytic H2 production and gas sensing of CRT-2 is ascribed to morphology, synergistic effect, improved charge generation, and separation. Overall, 1D/0D CdS@TiO2 is proved to be an efficient material for hydrogen production and gas detection.
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Affiliation(s)
- Vempuluru Navakoteswara Rao
- Nano-convergence Technology Division, National Nanofab Center at Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, South Korea.
| | - Pasupuleti Kedhareswara Sairam
- Department of Physics, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon, 34134, Republic of Korea; Institute of Quantum Systems (IQS), Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon, 34134, Republic of Korea
| | - Moon-Deock Kim
- Department of Physics, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon, 34134, Republic of Korea; Institute of Quantum Systems (IQS), Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon, 34134, Republic of Korea
| | - Mashallah Rezakazemi
- Faculty of Chemical and Materials Engineering, Shahrood University of Technology, Shahrood, Iran.
| | - Tejraj M Aminabhavi
- Center for Energy and Environment, School of Advanced Sciences, KLE Technological University, Hubballi, 580031, Karnataka, India; University Center for Research & Development (UCRO), Chandigarh University, Gharuan, Mohali, Punjab, 140413, India.
| | - Chi Won Ahn
- Nano-convergence Technology Division, National Nanofab Center at Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, South Korea
| | - Jun-Mo Yang
- Nano-convergence Technology Division, National Nanofab Center at Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, South Korea.
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7
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Copper indium sulfide quantum dots in photocatalysis. J Colloid Interface Sci 2023; 638:193-219. [PMID: 36738544 DOI: 10.1016/j.jcis.2023.01.107] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 01/17/2023] [Accepted: 01/22/2023] [Indexed: 01/27/2023]
Abstract
Since the advent of photocatalytic technology, scientists have been searching for semiconductor materials with high efficiency in solar energy utilization and conversion to chemical energy. Recently, the development of quantum dot (QD) photocatalysts has attracted much attention because of their unique characteristics: small size, quantum effects, strong surface activity, and wide photoresponse range. Among ternary chalcogenide semiconductors, CuInS2 QDs are increasingly examined in the field of photocatalysis due to their high absorption coefficients, good matching of the absorption range with sunlight spectrum, long lifetimes of photogenerated electron-hole pairs and environmental sustainability. In this review paper, the structural and electronic properties, synthesis methods and various photocatalytic applications of CuInS2 QDs are systematically expounded. The current research status on the photocatalytic properties of materials based on CuInS2 QD is discussed combined with the existing modification approaches for the enhancement of their performances. Future challenges and new development opportunities of CuInS2 QDs in the field of photocatalysis are then prospected.
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8
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Liu X, Zhu Y, Li C, Fang Y, Chen J, Xu F, Lu Y, Shum PP, Liu Y, Wang G. Single-cell HER2 quantification via instant signal amplification in microdroplets. Anal Chim Acta 2023; 1251:340976. [PMID: 36925278 DOI: 10.1016/j.aca.2023.340976] [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: 01/16/2023] [Revised: 02/11/2023] [Accepted: 02/13/2023] [Indexed: 02/22/2023]
Abstract
Accurate and ultrasensitive evaluation of human epidermal growth factor receptor 2 (HER2) protein is key to early diagnosis and subtype differentiation of breast cancer. Single-cell analyses to reduce ineffective targeted therapies due to breast cancer heterogeneity and improve patient survival remain challenging. Herein, we reported a novel droplet microfluidic combined with an instant cation exchange signal amplification strategy for quantitative analysis of HER2 protein expression on single cells. In the 160 μm droplets produced by a tapered capillary bundle, abundant Immuno-CdS labeled on HER2-positive cells were replaced by Ag + to obtain Cd2+ that stimulated Rhod-5N fluorescence. This uniformly distributed and instantaneous fluorescence amplification strategy in droplets improves sensitivity and reduces signal fluctuation. Using HER2 modified PS microsphere to simulate single cells, we obtained a linear fitting of HER2-modified concentration and fluorescence intensity in microdroplets with the limit detection of 11.372 pg mL-1. Moreover, the relative standard deviation (RSD) was 4.2-fold lower than the traditional immunofluorescence technique (2.89% vs 12.21%). The HER2 protein on SK-BR-3 cells encapsulated in droplets was subsequently quantified, ranging from 9862.954 pg mL-1 and 205.26 pg mL-1, equivalent to 9.795 × 106 and 2.038 × 105 protein molecules. This detection system provides a universal platform for single-cell sensitive quantitative analysis and contributes to the evaluation of HER2-positive tumors.
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Affiliation(s)
- Xiaoxian Liu
- College of Engineering and Applied Sciences, Nanjing University, Jiangsu, 210093, China; Key Laboratory of Intelligent Optical Sensing and Integration of the Ministry of Education, Nanjing University, Jiangsu, 210009, China
| | - Yifan Zhu
- College of Engineering and Applied Sciences, Nanjing University, Jiangsu, 210093, China; Key Laboratory of Intelligent Optical Sensing and Integration of the Ministry of Education, Nanjing University, Jiangsu, 210009, China
| | - Caoxin Li
- College of Engineering and Applied Sciences, Nanjing University, Jiangsu, 210093, China; Key Laboratory of Intelligent Optical Sensing and Integration of the Ministry of Education, Nanjing University, Jiangsu, 210009, China
| | - Yanyun Fang
- School of Chemistry and Chemical Engineering, Nanjing University, Jiangsu, 210093, China
| | - Jinna Chen
- Department of Electrical and Electronics Engineer, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Fei Xu
- College of Engineering and Applied Sciences, Nanjing University, Jiangsu, 210093, China
| | - Yanqing Lu
- College of Engineering and Applied Sciences, Nanjing University, Jiangsu, 210093, China
| | - Perry Ping Shum
- Department of Electrical and Electronics Engineer, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Ying Liu
- School of Chemistry and Chemical Engineering, Nanjing University, Jiangsu, 210093, China.
| | - Guanghui Wang
- College of Engineering and Applied Sciences, Nanjing University, Jiangsu, 210093, China; Key Laboratory of Intelligent Optical Sensing and Integration of the Ministry of Education, Nanjing University, Jiangsu, 210009, China.
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9
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Das D, Manna J, Bhattacharyya TK. Efficient Hydrogen Evolution via 1T-MoS 2 /Chlorophyll-a Heterostructure: Way Toward Metal Free Green Catalyst. SMALL METHODS 2023; 7:e2201446. [PMID: 36807895 DOI: 10.1002/smtd.202201446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 12/20/2022] [Indexed: 06/18/2023]
Abstract
Electrocatalytic hydrogen evolution reaction (HER) is regarded as a sustainable and green way for H2 generation, which faces a great challenge in designing highly active, stable electrocatalysts to replace the state-of-art noble metal-platinum catalysts. 1T MoS2 is highly promising in this regard, but the synthesis and stability of this is a particularly pressing task. Here, a phase engineering strategy has been proposed to achieve a stable, high-percentage (88%) 1T MoS2 /chlorophyll-a hetero-nanostructure, through a photo-induced donation of anti-bonding electrons from chlorophyll-a (CHL-a) highest occupied molecular orbital to 2H MoS2 lowest unoccupied molecular orbital. The resultant catalyst has abundant binding sites provided by the coordination of magnesium atom in the CHL-a macro-cycle, featuring higher binding strength and low Gibbs-free energy. This metal-free heterostructure exhibits excellent stability via band renormalization of Mo 4d orbital which creates the pseudogap-like structure by lifting the degeneracy of projected density of state with 4S in 1T MoS2 . It shows extremely low overpotential, toward the acidic HER (68 mV at the current density of 10 mA cm-2 ), very close to the Pt/C catalyst (53 mV). The high electrochemical-surface-area and electrochemical turnover frequency support enhanced active sites along with near zero Gibbs free energy. Such a surface-reconstruction strategy provides a new avenue toward the production of efficient non-noble-metal-catalysts for the HER with the aim of green-hydrogen production.
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Affiliation(s)
- Debmallya Das
- School of Nano-Science and Technology, Indian Institute of Technology, Kharagpur, West Bengal, 721302, India
| | - Jhimli Manna
- Department of Electronics and Communication Engineering, Indian Institute of Technology, Kharagpur, West Bengal, 721302, India
| | - Tarun Kanti Bhattacharyya
- Department of Electronics and Communication Engineering, Indian Institute of Technology, Kharagpur, West Bengal, 721302, India
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10
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Kong L, Guo X, Wei Z, Xu J, Zhang X, Shi S, Wang Q, Zhou B, Li L. Mechanical Pressure-Induced π-Electron Delocalization of Carbon Nitride for Boosting Photocatalytic Water Splitting. J Photochem Photobiol A Chem 2023. [DOI: 10.1016/j.jphotochem.2023.114626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
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11
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Chen L, Chen F, Ying S, Liang R, Yan G, Wang X, Xia Y. Ultrafast charge separation in a WC@C/CdS heterojunction enables efficient visible-light-driven hydrogen generation. Dalton Trans 2023; 52:290-296. [PMID: 36484709 DOI: 10.1039/d2dt03129a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
Abstract
The rapid recombination of photogenerated carriers and strong photocorrosion have considerably limited the practical application of CdS in the field of photocatalysis. Loading a cocatalyst has been widely utilized to largely enhance photocatalytic activity. In the present work, a WC@C cocatalyst was prepared by a novel molten salt method and explored as an efficient noble-metal-free cocatalyst to significantly enhance the photocatalytic hydrogen evolution rate of CdS nanorods. The WC@C/CdS composite photocatalyst with a 7 wt% content of WC@C showed the highest photocatalytic hydrogen evolution rate of 8.84 mmol g-1 h-1, which was about 21 and 31 times higher than those of CdS and 7 wt% Pt/CdS under visible light irradiation. A high apparent quantum efficiency (AQY) of 55.28% could be achieved under 420 nm monochromatic light. Furthermore, the photocatalytic activity of the 7 wt% WC@C/CdS photocatalyst exhibited good stability for 12 consecutive cycles of the photocatalytic experiment with a total reaction time of 42 h. The excellent photocatalytic performance of the photocatalyst was attributed to the formation of a Schottky junction and the loading cocatalyst, which not only accelerated the separation of the photogenerated carrier but also provided a reactive site for hydrogen evolution. This work revealed that WC@C could act as an excellent cocatalyst for enhancing the photocatalytic activity of CdS nanorods.
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Affiliation(s)
- Lu Chen
- Department of Chemistry, Fujian Province University Key Laboratory of Green Energy and Environment Catalysis, Ningde Normal University, Ningde 352100, PR China
| | - Feng Chen
- Department of Chemistry, Fujian Province University Key Laboratory of Green Energy and Environment Catalysis, Ningde Normal University, Ningde 352100, PR China
| | - Shaoming Ying
- Department of Chemistry, Fujian Province University Key Laboratory of Green Energy and Environment Catalysis, Ningde Normal University, Ningde 352100, PR China
| | - Ruowen Liang
- Department of Chemistry, Fujian Province University Key Laboratory of Green Energy and Environment Catalysis, Ningde Normal University, Ningde 352100, PR China
| | - Guiyang Yan
- Department of Chemistry, Fujian Province University Key Laboratory of Green Energy and Environment Catalysis, Ningde Normal University, Ningde 352100, PR China
| | - Xuxu Wang
- State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou 350002, PR China
| | - Yuzhou Xia
- Department of Chemistry, Fujian Province University Key Laboratory of Green Energy and Environment Catalysis, Ningde Normal University, Ningde 352100, PR China
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12
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Xiang D, Hao X, Yang X, Jin Z. Construction of Zn Vacancy mediated ZnS/Cu2-xS heterostructure via Cation Exchange Reactions for Broadband Photocatalytic Water Splitting. J Photochem Photobiol A Chem 2023. [DOI: 10.1016/j.jphotochem.2023.114553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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13
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Huang H, Zhang N, Xu J, Xu Y, Li Y, Lü J, Cao R. Photocatalytic CO 2-to-Ethylene Conversion over Bi 2S 3/CdS Heterostructures Constructed via Facile Cation Exchange. RESEARCH (WASHINGTON, D.C.) 2022; 2022:9805879. [PMID: 38645678 PMCID: PMC11030114 DOI: 10.34133/2022/9805879] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Accepted: 10/03/2022] [Indexed: 04/23/2024]
Abstract
Solar-driven CO2 conversion to multicarbon (C2+) products has emerged as a key challenge, yet this calls for a systematic investigation on the overall reaction process and mechanism at an atomic level based on the rational design of highly selective photocatalysts. Herein, we report the synthesis of compact Bi2S3/CdS heterostructures via facile cation exchange, by which a unique pathway of CO2-to-C2H4 photoconversion is achieved. Specifically, the BCS-30 shows an optimal C2H4 production rate of 3.49 μmol h-1 g-1 based on the regulation of band structures and energy levels of photocatalysts by controlled growth of Bi2S3 at CdS surface. Both experimental and theoretical results (DFT calculations) identify Bi atoms as new catalytic sites for the adsorption of CO* and formation of *CO-*CO dimers that further hydrogenate to produce ethylene. Overall, this work demonstrates vast potentials of delicately designed heterostructures for CO2 conversion towards C2+ products under mild photocatalytic conditions.
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Affiliation(s)
- Hai−Bo Huang
- Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation,
College of Resources and Environment,
Fujian Agriculture and Forestry University,
Fuzhou,
China
- State Key Laboratory of Structural Chemistry,
Fujian Institute of Research on the Structure of Matter,
Chinese Academy of Sciences,
Fuzhou,
China
- School of Environmental Science and Engineering,
Qingdao University,
Qingdao,
China
| | - Ning Zhang
- Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation,
College of Resources and Environment,
Fujian Agriculture and Forestry University,
Fuzhou,
China
| | - Jian−Ying Xu
- Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation,
College of Resources and Environment,
Fujian Agriculture and Forestry University,
Fuzhou,
China
| | - Yu−Hang Xu
- Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation,
College of Resources and Environment,
Fujian Agriculture and Forestry University,
Fuzhou,
China
| | - Ya−Feng Li
- State Key Laboratory of Photocatalysis on Energy and Environment,
Fuzhou University,
Fuzhou,
China
| | - Jian Lü
- Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation,
College of Resources and Environment,
Fujian Agriculture and Forestry University,
Fuzhou,
China
- State Key Laboratory of Photocatalysis on Energy and Environment,
Fuzhou University,
Fuzhou,
China
| | - Rong Cao
- State Key Laboratory of Structural Chemistry,
Fujian Institute of Research on the Structure of Matter,
Chinese Academy of Sciences,
Fuzhou,
China
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14
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Chen X, Guo Y, Bian R, Ji Y, Wang X, Zhang X, Cui H, Tian J. Titanium carbide MXenes coupled with cadmium sulfide nanosheets as two-dimensional/two-dimensional heterostructures for photocatalytic hydrogen production. J Colloid Interface Sci 2022; 613:644-651. [DOI: 10.1016/j.jcis.2022.01.079] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 01/11/2022] [Accepted: 01/12/2022] [Indexed: 12/14/2022]
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15
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Synergetic metal-semiconductor interaction: Single-atomic Pt decorated CdS nano-photocatalyst for highly water-to-hydrogen conversion. J Colloid Interface Sci 2022; 621:160-168. [PMID: 35461131 DOI: 10.1016/j.jcis.2022.04.053] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 04/02/2022] [Accepted: 04/07/2022] [Indexed: 01/07/2023]
Abstract
Solar driven water-to-hydrogen conversion is a promising technology for the typical sustainable production mode, so increasing efforts are being devoted to exploit high-performance photocatalytic materials. Cadmium sulfide (CdS) is widely used to prepare highly active photocatalysts owing to its merits of broadband-light harvesting and feasible band structure. However, the slow photo-carriers' migration in CdS body structure generally results in high-frequency carriers recombination, which leads to unsatisfied photoactivity. Metallic single-atom surface decoration is an effective method to build the strong metal-support interaction for promotion of photo-carriers' migration. Herein, a simple light-induced reduction procedure was proposed to decorate single-atomic Pt on the surface of CdS nanoparticles for highly photocatalytic HER activity. Research showed that the synergetic metal (Pt)-semiconductor (CdS) interaction significantly promoted the body-to-surface (BTS) photo-carriers' migration of CdS, thereby the high light-to-fuel conversion efficiency (AQY500 nm = 25.70%) and 13.5-fold greater simulated sunlight driven HER rate of bare CdS was achieved by this CdS-Pt nano-photocatalyst. Based on the photo-electrochemical analysis and density functional theory calculations, the remarkably improved HER photoactivity can be attributed to the enhanced light-harvesting, promoted BTS electron migration and reduced reaction energy barriers. This study provides a facile procedure to obtain CdS based photocatalyst with metallic single-atom sites for high-performance HER photocatalysis.
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16
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Wu K, Jiang R, Zhao Y, Mao L, Gu X, Cai X, Zhu M. Hierarchical NiCo 2S 4/ZnIn 2S 4 heterostructured prisms: High-efficient photocatalysts for hydrogen production under visible-light. J Colloid Interface Sci 2022; 619:339-347. [PMID: 35397463 DOI: 10.1016/j.jcis.2022.03.124] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 03/23/2022] [Accepted: 03/27/2022] [Indexed: 02/06/2023]
Abstract
Exploring low-cost co-catalyst to ameliorate the photocatalytic activity of semiconductors sets a clear direction for solving energy crisis and achieving efficient solar-chemical energy conversion. In this work, a unique hierarchical hollow heterojunction was constructed by in-situ growing ZnIn2S4 nanosheets on the porous NiCo2S4 hollow prisms through a low temperature solvothermal method, in which NiCo2S4 with semi-metal property acted as non-noble metal co-catalyst. NiCo2S4 co-catalyst was innovatively encapsulated in ZnIn2S4, which not only relieved the light shielding effect caused by the large loading amount of co-catalyst, but also supplied abundant active sites for H2 evolution. The hierarchical hollow heterostructure of NiCo2S4/ZnIn2S4 provided a highly efficient channel for charge transfer. Combining these advantages, NiCo2S4/ZnIn2S4 composite demonstrated excellent photocatalytic activity. In the absence of sacrificial agent, the NiCo2S4/ZnIn2S4 photocatalyst achieved a remarkable improved H2 yield of 0.77 mmol g-1h-1 under visible light irradiation (λ > 400 nm), which is 6.6 times greater than that of ZnIn2S4. Besides, NiCo2S4 even exhibited better performance on the H2 evolution improvement of ZnIn2S4 than precious metal Pt. This work will offer novel insights into the reasonable design of non-noble metal photocatalysts with respectable activity for water splitting.
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Affiliation(s)
- Kai Wu
- School of Materials Science and Physics, China University of Mining and Technology, Xuzhou 221116, People's Republic of China; Jiangsu Province Engineering Laboratory of High Efficient Energy Storage Technology and Equipment, Xuzhou 221116, People's Republic of China
| | - Renqian Jiang
- School of Materials Science and Physics, China University of Mining and Technology, Xuzhou 221116, People's Republic of China; Jiangsu Province Engineering Laboratory of High Efficient Energy Storage Technology and Equipment, Xuzhou 221116, People's Republic of China
| | - Yulong Zhao
- School of Materials Science and Physics, China University of Mining and Technology, Xuzhou 221116, People's Republic of China; Jiangsu Province Engineering Laboratory of High Efficient Energy Storage Technology and Equipment, Xuzhou 221116, People's Republic of China
| | - Liang Mao
- School of Materials Science and Physics, China University of Mining and Technology, Xuzhou 221116, People's Republic of China; Jiangsu Province Engineering Laboratory of High Efficient Energy Storage Technology and Equipment, Xuzhou 221116, People's Republic of China
| | - Xiuquan Gu
- School of Materials Science and Physics, China University of Mining and Technology, Xuzhou 221116, People's Republic of China; Jiangsu Province Engineering Laboratory of High Efficient Energy Storage Technology and Equipment, Xuzhou 221116, People's Republic of China
| | - Xiaoyan Cai
- School of Materials Science and Physics, China University of Mining and Technology, Xuzhou 221116, People's Republic of China; Jiangsu Province Engineering Laboratory of High Efficient Energy Storage Technology and Equipment, Xuzhou 221116, People's Republic of China
| | - Mingshan Zhu
- School of Environment, Jinan University, Guangzhou 511443, People's Republic of China
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