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Lv M, Zhang X, Li B, Huang B, Zheng Z. Single-Particle Fluorescence Spectroscopy for Elucidating Charge Transfer and Catalytic Mechanisms on Nanophotocatalysts. ACS NANO 2024; 18:30247-30268. [PMID: 39444203 DOI: 10.1021/acsnano.4c10702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2024]
Abstract
Photocatalysis is a cost-effective approach to producing renewable energy. A thorough comprehension of carrier separation at the micronano level is crucial for enhancing the photochemical conversion capabilities of photocatalysts. However, the heterogeneity of photocatalyst nanoparticles and complex charge migration processes limit the profound understanding of photocatalytic reaction mechanisms. By establishing the precise interrelationship between microscopic properties and photophysical behaviors of photocatalysts, single-particle fluorescence spectroscopy can elucidate the carrier separation and catalytic mechanism of the photocatalysts in situ, which provides perspectives for improving the photocatalytic efficiency. This Review primarily focuses on the basic principles and advantages of single-particle fluorescence spectroscopy and its progress in the study of plasmonic and semiconductor photocatalysis, especially emphasizing its importance in understanding the charge separation and photocatalytic reaction mechanism, which offers scientific guidance for designing efficient photocatalytic systems. Finally, we summarize and forecast the future development prospects of single-particle fluorescence spectroscopy technology, especially the insights into its technological upgrading.
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Affiliation(s)
- Min Lv
- State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
| | - Xiangxiang Zhang
- State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
| | - Bei Li
- State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
| | - Baibiao Huang
- State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
| | - Zhaoke Zheng
- State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
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Verma R, Sharma G, Polshettiwar V. The paradox of thermal vs. non-thermal effects in plasmonic photocatalysis. Nat Commun 2024; 15:7974. [PMID: 39266509 PMCID: PMC11393361 DOI: 10.1038/s41467-024-51916-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Accepted: 08/16/2024] [Indexed: 09/14/2024] Open
Abstract
The debate surrounding the roles of thermal and non-thermal pathways in plasmonic catalysis has captured the attention of researchers and sparked vibrant discussions within the scientific community. In this review, we embark on a thorough exploration of this intriguing discourse, starting from fundamental principles and culminating in a detailed understanding of the divergent viewpoints. We probe into the core of the debate by elucidating the behavior of excited charge carriers in illuminated plasmonic nanostructures, which serves as the foundation for the two opposing schools of thought. We present the key arguments and evidence put forth by proponents of both the non-thermal and thermal pathways, providing a perspective on their respective positions. Beyond the theoretical divide, we discussed the evolving methodologies used to unravel these mechanisms. We discuss the use of Arrhenius equations and their variations, shedding light on the ensuing debates about their applicability. Our review emphasizes the significance of localized surface plasmon resonance (LSPR), investigating its role in collective charge oscillations and the decay dynamics that influence catalytic processes. We also talked about the nuances of activation energy, exploring its relationship with the nonlinearity of temperature and light intensity dependence on reaction rates. Additionally, we address the intricacies of catalyst surface temperature measurements and their implications in understanding light-triggered reaction dynamics. The review further discusses wavelength-dependent reaction rates, kinetic isotope effects, and competitive electron transfer reactions, offering an all-inclusive view of the field. This review not only maps the current landscape of plasmonic photocatalysis but also facilitates future explorations and innovations to unlock the full potential of plasmon-mediated catalysis, where synergistic approaches could lead to different vistas in chemical transformations.
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Affiliation(s)
- Rishi Verma
- Department of Chemical Sciences, Tata Institute of Fundamental Research, Mumbai, 400005, India
| | - Gunjan Sharma
- Department of Chemical Sciences, Tata Institute of Fundamental Research, Mumbai, 400005, India
| | - Vivek Polshettiwar
- Department of Chemical Sciences, Tata Institute of Fundamental Research, Mumbai, 400005, India.
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Bian W, Hu X, Xiao R, Yao R, Zhang B, Zhu M, Liu T, Liu Y, Li J, Lin P, Xie A, Li F, Ling D. Catalytic Dual-Mode Immunotherapy: Anisotropic AuPt Heterostructure Decorated with Starry Pt Nanoclusters for Robust Cancer Photometalloimmunotherapy. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2403116. [PMID: 38816935 PMCID: PMC11267392 DOI: 10.1002/advs.202403116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Revised: 05/05/2024] [Indexed: 06/01/2024]
Abstract
To overcome current limitations in photoimmunotherapy, such as insufficient tumor antigen generation and a subdued immune response, a novel photo-/metallo dual-mode immunotherapeutic agent (PMIA) is introduced for potent near-infrared (NIR) light-triggered cancer therapy. PMIA features a dumbbell-like AuPt heterostructure decorated with starry Pt nanoclusters, meticulously engineered for enhancing plasmonic catalysis through multi-dimensional regulation of Pt growth on Au nanorods. Under NIR laser exposure, end-tipped Pt nanoclusters induce efficient electron-hole spatial separation along the longitudinal axis, resulting in radial and axial electron distribution polarization, conferring unique anisotropic properties to PMIA. Additionally, starry Pt nanoclusters on the sides of Au nanorods augment the local electron enrichment field. Validated through finite-difference time-domain analysis and Raman scattering, this configuration fosters local electron enrichment, facilitating robust reactive oxygen species generation for potent photoimmunotherapy. Moreover, Pt nanoclusters facilitate Pt2+ ion release, instigating intranuclear DNA damage and inducing synergistic immunogenic cell death (ICD) for metalloimmunotherapy. Consequently, PMIA elicits abundant danger-associated molecular patterns, promotes T cell infiltration, and triggers systemic immune responses, effectively treating primary and distant tumors, inhibiting metastasis in vivo. This study unveils a pioneering dual-mode ICD amplification strategy driven by NIR light, synergistically integrating photoimmunotherapy and metalloimmunotherapy, culminating in potent cancer photometalloimmunotherapy.
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Affiliation(s)
- Wei Bian
- Department of Breast SurgeryFirst Hospital of Shanxi Medical UniversityTaiyuan030001China
- Key Laboratory of Cellular Physiology at Shanxi Medical UniversityMinistry of EducationTaiyuan030000China
| | - Xi Hu
- School of PharmacyAnhui University of Chinese MedicineHefei230012China
| | - Ruixue Xiao
- Frontiers Science Center for Transformative MoleculesSchool of Chemistry and Chemical EngineeringSchool of Biomedical EngineeringNational Center for Translational MedicineShanghai Jiao Tong UniversityShanghai200240China
| | - Rui Yao
- Key Laboratory of Cellular Physiology at Shanxi Medical UniversityMinistry of EducationTaiyuan030000China
| | - Bo Zhang
- Frontiers Science Center for Transformative MoleculesSchool of Chemistry and Chemical EngineeringSchool of Biomedical EngineeringNational Center for Translational MedicineShanghai Jiao Tong UniversityShanghai200240China
- WLA LaboratoriesShanghai201203China
| | - Mingjian Zhu
- Institute of PharmaceuticsHangzhou Institute of Innovative MedicineCollege of Pharmaceutical SciencesZhejiang UniversityHangzhou310058China
| | - Tianqi Liu
- Key Laboratory of Cellular Physiology at Shanxi Medical UniversityMinistry of EducationTaiyuan030000China
| | - Yamin Liu
- Frontiers Science Center for Transformative MoleculesSchool of Chemistry and Chemical EngineeringSchool of Biomedical EngineeringNational Center for Translational MedicineShanghai Jiao Tong UniversityShanghai200240China
| | - Jing Li
- Department of Breast SurgeryFirst Hospital of Shanxi Medical UniversityTaiyuan030001China
| | - Peihua Lin
- Frontiers Science Center for Transformative MoleculesSchool of Chemistry and Chemical EngineeringSchool of Biomedical EngineeringNational Center for Translational MedicineShanghai Jiao Tong UniversityShanghai200240China
| | - An Xie
- School of PharmacyAnhui University of Chinese MedicineHefei230012China
| | - Fangyuan Li
- Songjiang Institute and Songjiang HospitalShanghai Key Laboratory of Emotions and Affective DisordersShanghai Jiao Tong University School of MedicineShanghai200025China
- Key Laboratory of Precision Diagnosis and Treatment for Hepatobiliary and Pancreatic Tumor of Zhejiang ProvinceHangzhou310009China
| | - Daishun Ling
- Frontiers Science Center for Transformative MoleculesSchool of Chemistry and Chemical EngineeringSchool of Biomedical EngineeringNational Center for Translational MedicineShanghai Jiao Tong UniversityShanghai200240China
- WLA LaboratoriesShanghai201203China
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Zhu J, Dai J, Xu Y, Liu X, Chen R, Wang Z, Liu H, Li G. Plasmon-Switched Kinetics for Formic Acid Dehydrogenation: Selective Adsorption Driven by Local Field and Hot Carriers. CHEMSUSCHEM 2024; 17:e202301616. [PMID: 38318952 DOI: 10.1002/cssc.202301616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 01/18/2024] [Accepted: 02/01/2024] [Indexed: 02/07/2024]
Abstract
Understanding illumination-mediated kinetics is essential for catalyst design in plasmon catalysis. Here we prepare Pd-based plasmonic catalysts with tunable electronic structures to reveal the underlying illumination-enhanced kinetic mechanisms for formic acid (HCOOH) dehydrogenation. We demonstrate a kinetic switch from a competitive Langmuir-Hinshelwood adsorption mode in dark to a non-competitive type under irradiation triggered by local field and hot carriers. Specifically, the electromagnetic field induces a spatial-temporal separation of dehydrogenation-favorable configurations of reactant molecule HCOOH and HCOO- due to their natural different polarities. Meanwhile, the generated energetic carriers can serve as active sites for selective molecular adsorption. The hot electrons act as adsorption sites for HCOOH, while holes prefer to adsorb HCOO-. Such unique non-competitive adsorption kinetics induced by plasmon effects serves as another typical characteristic of plasmonic catalysis that remarkably differs from thermocatalysis. This work unravels unique adsorption transformations and a kinetic switching driven by plasmon nonthermal effects.
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Affiliation(s)
- Jiannan Zhu
- Key Laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education), Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, PR China
| | - Jiawei Dai
- Key Laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education), Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, PR China
| | - You Xu
- Key Laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education), Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, PR China
| | - Xiaoling Liu
- Key Laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education), Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, PR China
| | - Rong Chen
- State Key Laboratory of New Textile Materials & Advanced Processing Technologies, Wuhan Textile University, Wuhan, 430200, PR China
| | - Zhengyun Wang
- Key Laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education), Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, PR China
| | - Hongfang Liu
- Key Laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education), Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, PR China
| | - Guangfang Li
- Key Laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education), Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, PR China
- Shenzhen Huazhong University of Science and Technology Research Institute, Shenzhen, 518000, PR China
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Zhang M, Zhang X, Lv M, Yue X, Zheng Z, Xia H. Ethanol Oxidation via 12-Electron Pathway on Spiky Au@AuPd Nanoparticles Assisted by Near-Infrared Light. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2205781. [PMID: 36775916 DOI: 10.1002/smll.202205781] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 11/13/2022] [Indexed: 05/04/2023]
Abstract
In this work, ethanol oxidation reaction (EOR) via 12-electron (C1-12e) pathway on spiky Au@AuPd nanoparticles (NPs) with ultrathin AuPd alloy shells is achieved in alkaline media with the assistance of the near-infrared (NIR) light. It is found that OH radicals can be produced from the OHads species adsorbed on the surfaces of Pd atoms led by surface plasmon resonance (SPR) effect of spiky Au@AuPd NPs under the irradiation of NIR light. Moreover, OH radicals play the key role for the achievement of EOR proceeded by the desirable C1-12e pathway because OH radicals can directly break the C-C bonds of ethanol. Accordingly, the electrocatalytic performance of spiky Au@AuPd NPs toward EOR under NIR light is greatly improved. For instance, their mass activity can be up to 33.2 A mgpd -1 in the 0.5 m KOH solution containing 0.5 m ethanol, which is about 158 times higher than that of commercial Pd/C catalysts (0.21 A mgpd -1 ) and is better than those of the state-of-the-art Pd-based catalysts reported in literature thus far, to the best of our knowledge. Moreover, their highest mass activity can be further improved to 118.3 A mgpd -1 in the 1.5 m KOH solution containing 1.25 m ethanol.
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Affiliation(s)
- Mengmeng Zhang
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, P. R. China
| | - Xiang Zhang
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, P. R. China
| | - Min Lv
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, P. R. China
| | - Xinru Yue
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, P. R. China
| | - Zhaoke Zheng
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, P. R. China
| | - Haibing Xia
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, P. R. China
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Zhou B, Zhong J, Tang X, Liu JH, Shen J, Wang C, Ou W, Wang H, Liu L, Pan J, Lu J, Yang Li Y. ‘In situ Surface-Enhanced Raman Spectroscopy Monitoring of Molecular Reorientation in Plasmon-Mediated Chemical Reactions. J Catal 2022. [DOI: 10.1016/j.jcat.2022.06.028] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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