1
|
De R, Calvet NA, Dietzek-Ivanšić B. Charge Transfer Dynamics in Organic-Inorganic Hybrid Heterostructures-Insights by Vibrational-Sum Frequency Generation Spectroscopy. Angew Chem Int Ed Engl 2024; 63:e202313574. [PMID: 38471070 DOI: 10.1002/anie.202313574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 12/11/2023] [Accepted: 02/12/2024] [Indexed: 03/14/2024]
Abstract
Organic-inorganic heterostructures play a pivotal role in modern electronic and optoelectronic applications including photodetectors and field effect transistors, as well as in solar energy conversion such as photoelectrodes of dye-sensitized solar cells, photoelectrochemical cells, and in organic photovoltaics. To a large extent, performance of such devices is controlled by charge transfer dynamics at and across (inner) interfaces, e.g., between a wide band gap semiconductor and molecular sensitizers and/or catalysts. Hence, a detailed understanding of the structure-dynamics-function relationship of such functional interfaces is necessary to rationalize possible performance limitations of these materials and devices on a molecular level. Vibrational sum-frequency generation (VSFG) spectroscopy, as an interface-sensitive spectroscopic technique, allows to obtain chemically specific information from interfaces and combines such chemical insights with ultrafast time resolution, when integrated as a spectroscopic probe into a pump-probe scheme. Thus, this minireview discusses the advantages and potential of VSFG spectroscopy for investigating interfacial charge transfer dynamics and structural changes at inner interfaces. A critical perspective of the unique spectroscopic view of otherwise inaccessible interfaces is presented, which we hope opens new opportunities for an improved understanding of function-determining processes in complex materials, and brings together communities who are devoted to designing materials and devices with spectroscopists.
Collapse
Affiliation(s)
- Ratnadip De
- Research Department Functional Interfaces, Leibniz Institute of Photonic Technology Jena, Albert-Einstein-Strasse 9, 07745, Jena, Germany
- Institute of Physical Chemistry, Friedrich Schiller University Jena, Helmholtzweg 4, 07743, Jena, Germany
| | - Neus A Calvet
- Research Department Functional Interfaces, Leibniz Institute of Photonic Technology Jena, Albert-Einstein-Strasse 9, 07745, Jena, Germany
- Institute of Physical Chemistry, Friedrich Schiller University Jena, Helmholtzweg 4, 07743, Jena, Germany
| | - Benjamin Dietzek-Ivanšić
- Research Department Functional Interfaces, Leibniz Institute of Photonic Technology Jena, Albert-Einstein-Strasse 9, 07745, Jena, Germany
- Institute of Physical Chemistry, Friedrich Schiller University Jena, Helmholtzweg 4, 07743, Jena, Germany
- Center for Energy and Environmental Chemistry, Friedrich Schiller University Jena, Philosophenweg 7a, 07743, Jena, Germany
| |
Collapse
|
2
|
Franz J, Oelschlegel M, Zobel JP, Hua SA, Borter JH, Schmid L, Morselli G, Wenger OS, Schwarzer D, Meyer F, González L. Bifurcation of Excited-State Population Leads to Anti-Kasha Luminescence in a Disulfide-Decorated Organometallic Rhenium Photosensitizer. J Am Chem Soc 2024; 146. [PMID: 38598687 PMCID: PMC11046484 DOI: 10.1021/jacs.4c00548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Revised: 03/07/2024] [Accepted: 03/12/2024] [Indexed: 04/12/2024]
Abstract
We report a rhenium diimine photosensitizer equipped with a peripheral disulfide unit on one of the bipyridine ligands, [Re(CO)3(bpy)(S-Sbpy4,4)]+ (1+, bpy = 2,2'-bipyridine, S-Sbpy4,4 = [1,2]dithiino[3,4-c:6,5-c']dipyridine), showing anti-Kasha luminescence. Steady-state and ultrafast time-resolved spectroscopies complemented by nonadiabatic dynamics simulations are used to disclose its excited-state dynamics. The calculations show that after intersystem crossing the complex evolves to two different triplet minima: a (S-Sbpy4,4)-ligand-centered excited state (3LC) lying at lower energy and a metal-to-(bpy)-ligand charge transfer (3MLCT) state at higher energy, with relative yields of 90% and 10%, respectively. The 3LC state involves local excitation of the disulfide group into the antibonding σ* orbital, leading to significant elongation of the S-S bond. Intriguingly, it is the higher-lying 3MLCT state, which is assigned to display luminescence with a lifetime of 270 ns: a signature of anti-Kasha behavior. This assignment is consistent with an energy barrier ≥ 0.6 eV or negligible electronic coupling, preventing reaction toward the 3LC state after the population is trapped in the 3MLCT state. This study represents a striking example on how elusive excited-state dynamics of transition-metal photosensitizers can be deciphered by synergistic experiments and state-of-the-art calculations. Disulfide functionalization lays the foundation of a new design strategy toward harnessing excess energy in a system for possible bimolecular electron or energy transfer reactivity.
Collapse
Affiliation(s)
- Julia Franz
- Institute
of Theoretical Chemistry, University of
Vienna, Währinger Straße 17, A-1090 Vienna, Austria
| | - Manuel Oelschlegel
- Institute
of Inorganic Chemistry, University of Göttingen, Tammannstraße 4, D-37077 Göttingen, Germany
| | - J. Patrick Zobel
- Institute
of Theoretical Chemistry, University of
Vienna, Währinger Straße 17, A-1090 Vienna, Austria
| | - Shao-An Hua
- Institute
of Inorganic Chemistry, University of Göttingen, Tammannstraße 4, D-37077 Göttingen, Germany
| | - Jan-Hendrik Borter
- Department
of Dynamics at Surfaces, Max-Planck-Institute
for Multidisciplinary Sciences, Am Faßberg 11, D-37077 Göttingen, Germany
| | - Lucius Schmid
- Department
of Chemistry, University of Basel, St.-Johanns-Ring 19, CH-4056 Basel, Switzerland
| | - Giacomo Morselli
- Department
of Chemistry, University of Basel, St.-Johanns-Ring 19, CH-4056 Basel, Switzerland
| | - Oliver S. Wenger
- Department
of Chemistry, University of Basel, St.-Johanns-Ring 19, CH-4056 Basel, Switzerland
| | - Dirk Schwarzer
- Department
of Dynamics at Surfaces, Max-Planck-Institute
for Multidisciplinary Sciences, Am Faßberg 11, D-37077 Göttingen, Germany
| | - Franc Meyer
- Institute
of Inorganic Chemistry, University of Göttingen, Tammannstraße 4, D-37077 Göttingen, Germany
- International
Center for Advanced Studies of Energy Conversion (ICASEC), D-37077 Göttingen, Germany
| | - Leticia González
- Institute
of Theoretical Chemistry, University of
Vienna, Währinger Straße 17, A-1090 Vienna, Austria
- Vienna Research
Platform for Accelerating Photoreaction Discovery, University of Vienna, Währinger Straße 17, A-1090 Vienna, Austria
| |
Collapse
|
3
|
Wang L, Zhu W. Organic Donor-Acceptor Systems for Photocatalysis. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2307227. [PMID: 38145342 PMCID: PMC10933655 DOI: 10.1002/advs.202307227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 12/06/2023] [Indexed: 12/26/2023]
Abstract
Organic semiconductor materials are considered to be promising photocatalysts due to their excellent light absorption by chromophores, easy molecular structure tuning, and solution-processable properties. In particular, donor-acceptor (D-A) type organic photocatalytic materials synthesized by introducing D and A units intra- or intermolecularly, have made great progress in photocatalytic studies. More and more studies have demonstrated that the D-A type organic photocatalytic materials combine effective carrier separation, tunable bandgap, and sensitive optoelectronic response, and are considered to be an effective strategy for enhancing light absorption, improving exciton dissociation, and optimizing carrier transport. This review provides a thorough overview of D-A strategies aimed at optimizing the photocatalytic performance of organic semiconductors. Initially, essential methods for modifying organic photocatalytic materials, such as interface engineering, crystal engineering, and interaction modulation, are briefly discussed. Subsequently, the review delves into various organic photocatalytic materials based on intramolecular and intermolecular D-A interactions, encompassing small molecules, conjugated polymers, crystalline polymers, supramolecules, and organic heterojunctions. Meanwhile, the energy band structures, exciton dynamics, and redox-active sites of D-A type organic photocatalytic materials under different bonding modes are discussed. Finally, the review highlights the advanced applications of organic photocatalystsand outlines prospective challenges and opportunities.
Collapse
Affiliation(s)
- Lingsong Wang
- Key Laboratory of Organic Integrated CircuitsMinistry of EducationTianjin Key Laboratory of Molecular Optoelectronic SciencesDepartment of ChemistrySchool of ScienceTianjin UniversityTianjin300072China
| | - Weigang Zhu
- Key Laboratory of Organic Integrated CircuitsMinistry of EducationTianjin Key Laboratory of Molecular Optoelectronic SciencesDepartment of ChemistrySchool of ScienceTianjin UniversityTianjin300072China
| |
Collapse
|
4
|
Liu Y, Li HY, Cao HX, Zheng XY, Yin Shi B, Yin HT. Defect and interface/surface engineering synergistically modulated electron transfer and nonlinear absorption properties in MoX 2 (X = Se, S, Te)@ZnO heterojunction. NANOSCALE 2024; 16:1865-1879. [PMID: 38168696 DOI: 10.1039/d3nr05766f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2024]
Abstract
Systematic interface and defect engineering strategies have been demonstrated to be an effective way to modulate the electron transfer and nonlinear absorption properties in semiconductor heterojunctions. However, the role played by defects and interfacial strain in electron transfer at the interface of the MoX2 (X = Se, S, Te)@ZnO heterojunction remains poorly understood. Herein, using the MoX2@ZnO heterojunction, we reveal that vacancies play a critical role in the interfacial electron transfer of heterojunctions. Specifically, we present the defect and interface engineering of the MoX2@ZnO heterojunction for controlled charge transfer and electron excitation-relaxation. The experimental characterization combined with first-principles calculations showed that the presence of defects promoted the transport of photogenerated carriers at the heterojunction interface, thereby inhibiting their rapid recombination. The DFT calculation confirmed that the electron band structure, density of states and charge density distribution in the system changed after the formation of Mo-O bonds. On the basis of defects and interfacial stress and the effective charge transfer, the MoX2@ZnO heterojunction exhibited excellent excitation and emission behaviors. The nonlinear optical regulation behavior of TMDs is expected to be realized with the help of the defects and interface/surface synergistically modulated effect of ZnO nanoparticles. The local strain generation on the MoX2@ZnO heterojunction boundary provides a new method for the design of new heterogeneous materials and will be of great significance to investigate the contact physical behavior and application of metals and two-dimensional (2D) semiconductors. This work provides some inspiration for the construction of heterojunctions with rich defects and surface/interface charge transfer channels to promote tunable electron transfer dynamics, thereby achieving a good nonlinear optical conversion efficiency and efficient charge separation in optoelectronic functional materials.
Collapse
Affiliation(s)
- Yu Liu
- Key Laboratory of Photonic and electric Bandgap materials, Ministry of Education, School of Physics and Electronic Engineering, Harbin Normal University, Harbin, 150025, Heilongjiang Province, China.
| | - Hong-Yu Li
- Key Laboratory of Photonic and electric Bandgap materials, Ministry of Education, School of Physics and Electronic Engineering, Harbin Normal University, Harbin, 150025, Heilongjiang Province, China.
| | - Hong-Xu Cao
- Key Laboratory of Photonic and electric Bandgap materials, Ministry of Education, School of Physics and Electronic Engineering, Harbin Normal University, Harbin, 150025, Heilongjiang Province, China.
| | - Xin-Yu Zheng
- Key Laboratory of Photonic and electric Bandgap materials, Ministry of Education, School of Physics and Electronic Engineering, Harbin Normal University, Harbin, 150025, Heilongjiang Province, China.
| | - Bing- Yin Shi
- Key Laboratory of Photonic and electric Bandgap materials, Ministry of Education, School of Physics and Electronic Engineering, Harbin Normal University, Harbin, 150025, Heilongjiang Province, China.
| | - Hai-Tao Yin
- Key Laboratory of Photonic and electric Bandgap materials, Ministry of Education, School of Physics and Electronic Engineering, Harbin Normal University, Harbin, 150025, Heilongjiang Province, China.
| |
Collapse
|
5
|
Martín Santa Daría A, González-Sánchez L, Gómez S. Coronene: a model for ultrafast dynamics in graphene nanoflakes and PAHs. Phys Chem Chem Phys 2023; 26:174-184. [PMID: 37811951 DOI: 10.1039/d3cp03656a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/10/2023]
Abstract
Assuming a delta pulse excitation, quantum wavepackets are propagated on the excited state manifold in the energy range from 3.4-5.0 eV for coronene and 2.4-3.5 eV for circumcoronene to study the time evolution of the states as well as their lifetimes. The full-dimensional (102 and 210 degrees of freedom for coronene and circumcoronene respectively) non-adiabatic dynamics simulated with the ML-MCTDH method on twelve coupled singlet electronic states show that the different absorption spectra are only due to electronic delocalisation effects that change the excited state energies, but the structural dynamics in both compounds are identical. Breathing and tilting motions drive the decay dynamics of the electronic states away from the Frank-Condon region independently of the size of the aromatic system. This promising result allows the use of coronene as a model system for the dynamics of larger polycyclic aromatic hydrocarbons (PAHs) and graphene one dimensional sheets or nanoflakes.
Collapse
Affiliation(s)
| | | | - Sandra Gómez
- Departamento de Química Física, Universidad de Salamanca, Spain.
| |
Collapse
|
6
|
Liu J, Yue S, Zhang H, Wang C, Barba D, Vidal F, Sun S, Wang ZM, Bao J, Zhao H, Selopal GS, Rosei F. Efficient Photoelectrochemical Hydrogen Generation Using Eco-Friendly "Giant" InP/ZnSe Core/Shell Quantum Dots. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 37433096 DOI: 10.1021/acsami.3c04900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/13/2023]
Abstract
InP quantum dots (QDs) are promising building blocks for use in solar technologies because of their low intrinsic toxicity, narrow bandgap, large absorption coefficient, and low-cost solution synthesis. However, the high surface trap density of InP QDs reduces their energy conversion efficiency and degrades their long-term stability. Encapsulating InP QDs into a wider bandgap shell is desirable to eliminate surface traps and improve optoelectronic properties. Here, we report the synthesis of "giant" InP/ZnSe core/shell QDs with tunable ZnSe shell thickness to investigate the effect of the shell thickness on the optoelectronic properties and the photoelectrochemical (PEC) performance for hydrogen generation. The optical results demonstrate that ZnSe shell growth (0.9-2.8 nm) facilitates the delocalization of electrons and holes into the shell region. The ZnSe shell simultaneously acts as a passivation layer to protect the surface of InP QDs and as a spatial tunneling barrier to extract photoexcited electrons and holes. Thus, engineering the ZnSe shell thickness is crucial for the photoexcited electrons and hole transfer dynamics to tune the optoelectronic properties of "giant" InP/ZnSe core/shell QDs. We obtained an outstanding photocurrent density of 6.2 mA cm-1 for an optimal ZnSe shell thickness of 1.6 nm, which is 288% higher than the values achieved from bare InP QD-based PEC cells. Understanding the effect of shell thickness on surface passivation and carrier dynamics offers fundamental insights into the suitable design and realization of eco-friendly InP-based "giant" core/shell QDs toward improving device performance.
Collapse
Affiliation(s)
- Jiabin Liu
- Centre Énergie Matériaux et Télécommunications, Institut National de la Recherche Scientifique, 1650 Boul. Lionel Boulet, Varennes, Quebec J3X 1P7, Canada
| | - Shuai Yue
- Institute of Fundamental and Frontier Science, University of Electronic Science and Technology of China, Chengdu, Sichuan 610054, P. R. China
| | - Hui Zhang
- Centre Énergie Matériaux et Télécommunications, Institut National de la Recherche Scientifique, 1650 Boul. Lionel Boulet, Varennes, Quebec J3X 1P7, Canada
| | - Chao Wang
- Centre Énergie Matériaux et Télécommunications, Institut National de la Recherche Scientifique, 1650 Boul. Lionel Boulet, Varennes, Quebec J3X 1P7, Canada
| | - David Barba
- Centre Énergie Matériaux et Télécommunications, Institut National de la Recherche Scientifique, 1650 Boul. Lionel Boulet, Varennes, Quebec J3X 1P7, Canada
| | - François Vidal
- Centre Énergie Matériaux et Télécommunications, Institut National de la Recherche Scientifique, 1650 Boul. Lionel Boulet, Varennes, Quebec J3X 1P7, Canada
| | - Shuhui Sun
- Centre Énergie Matériaux et Télécommunications, Institut National de la Recherche Scientifique, 1650 Boul. Lionel Boulet, Varennes, Quebec J3X 1P7, Canada
| | - Zhiming M Wang
- Institute of Fundamental and Frontier Science, University of Electronic Science and Technology of China, Chengdu, Sichuan 610054, P. R. China
- Institute for Advanced Study, Chengdu University, Chengdu, Sichuan 610106, P. R. China
| | | | - Haiguang Zhao
- State Key Laboratory of Bio-Fibers and Eco-Textiles & College of Physics, University-Industry Joint Center for Ocean Observation and Broadband Communication, Qingdao University, No. 308 Ningxia Road, Qingdao 266071, P. R. China
| | - Gurpreet Singh Selopal
- Centre Énergie Matériaux et Télécommunications, Institut National de la Recherche Scientifique, 1650 Boul. Lionel Boulet, Varennes, Quebec J3X 1P7, Canada
- Institute of Fundamental and Frontier Science, University of Electronic Science and Technology of China, Chengdu, Sichuan 610054, P. R. China
- Department of Engineering, Faculty of Agriculture, Dalhousie University, Truro, Nova Scotia B2N 5E3, Canada
| | - Federico Rosei
- Centre Énergie Matériaux et Télécommunications, Institut National de la Recherche Scientifique, 1650 Boul. Lionel Boulet, Varennes, Quebec J3X 1P7, Canada
| |
Collapse
|
7
|
Asadinamin M, Živkovic A, Ullrich S, Meyer H, Zhao Y. Charge Dynamics of a CuO Thin Film on Picosecond to Microsecond Timescales Revealed by Transient Absorption Spectroscopy. ACS APPLIED MATERIALS & INTERFACES 2023; 15:18414-18426. [PMID: 36995362 PMCID: PMC10103062 DOI: 10.1021/acsami.2c22595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 03/21/2023] [Indexed: 06/19/2023]
Abstract
Understanding the mechanism of charge dynamics in photocatalysts is the key to design and optimize more efficient materials for renewable energy applications. In this study, the charge dynamics of a CuO thin film are unraveled via transient absorption spectroscopy (TAS) on the picosecond to microsecond timescale for three different excitation energies, i.e., above, near, and below the band gap, to explore the role of incoherent broadband light sources. The shape of the ps-TAS spectra changes with the delay time, while that of the ns-TAS spectra is invariant for all the excitation energies. Regardless of the excitations, three time constants, τ1 ∼ 0.34-0.59 ps, τ2 ∼ 162-175 ns, and τ3 ∼ 2.5-3.3 μs, are resolved, indicating the dominating charge dynamics at very different timescales. Based on these observations, the UV-vis absorption spectrum, and previous findings in the literature, a compelling transition energy diagram is proposed. Two conduction bands and two defect (deep and shallow) states dominate the initial photo-induced electron transitions, and a sub-valence band energy state is involved in the subsequent transient absorption. By solving the rate equations for the pump-induced population dynamics and implementing the assumed Lorentzian absorption spectral shape between two energy states, the TAS spectra are modeled which capture the main spectral and time-dependent features for t > 1 ps. By further considering the contributions from free-electron absorption during very early delay times, the modeled spectra reproduce the experimental spectra very well over the entire time range and under different excitation conditions.
Collapse
Affiliation(s)
- Mona Asadinamin
- Department
of Physics and Astronomy, University of
Georgia, Athens, Georgia 30602, United States
| | - Aleksandar Živkovic
- Department
of Earth Sciences, Utrecht University, Princetonlaan 8a, 3548 CB Utrecht, The Netherlands
| | - Susanne Ullrich
- Department
of Physics and Astronomy, University of
Georgia, Athens, Georgia 30602, United States
| | - Henning Meyer
- Department
of Physics and Astronomy, University of
Georgia, Athens, Georgia 30602, United States
| | - Yiping Zhao
- Department
of Physics and Astronomy, University of
Georgia, Athens, Georgia 30602, United States
| |
Collapse
|
8
|
Zhang J, Zhu B, Zhang L, Yu J. Femtosecond transient absorption spectroscopy investigation into the electron transfer mechanism in photocatalysis. Chem Commun (Camb) 2023; 59:688-699. [PMID: 36598049 DOI: 10.1039/d2cc06300j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Femtosecond transient absorption spectroscopy (fs-TAS) is a powerful technique for monitoring the electron transfer kinetics in photocatalysis. Several important works have successfully elucidated the electron transfer mechanism in heterojunction photocatalysts (HPs) using fs-TAS measurements, and thus a timely summary of recent advances is essential. This feature article starts with a thorough interpretation of the operating principle of fs-TAS equipment, and the fundamentals of the fs-TAS spectra. Subsequently, the applications of fs-TAS in analyzing the dynamics of photogenerated carriers in semiconductor/metal HPs, semiconductor/carbon HPs, semiconductor/semiconductor HPs, and multicomponent HPs are discussed in sequence. Finally, the significance of fs-TAS in revealing the ultrafast interfacial electron transfer process in HPs is summarized, and further research on the applications of fs-TAS in photocatalysis is proposed. This feature article will provide deep insight into the mechanism of the enhanced photocatalytic performance of HPs from the perspective of electron transfer kinetics.
Collapse
Affiliation(s)
- Jianjun Zhang
- Laboratory of Solar Fuel, Faculty of Materials Science and Chemistry, China University of Geosciences, 68 Jincheng Street, Wuhan 430078, P. R. China.
| | - Bicheng Zhu
- Laboratory of Solar Fuel, Faculty of Materials Science and Chemistry, China University of Geosciences, 68 Jincheng Street, Wuhan 430078, P. R. China.
| | - Liuyang Zhang
- Laboratory of Solar Fuel, Faculty of Materials Science and Chemistry, China University of Geosciences, 68 Jincheng Street, Wuhan 430078, P. R. China.
| | - Jiaguo Yu
- Laboratory of Solar Fuel, Faculty of Materials Science and Chemistry, China University of Geosciences, 68 Jincheng Street, Wuhan 430078, P. R. China.
| |
Collapse
|
9
|
Feng J, Hu R, Jiang J, Cai Z, Pan S, Zou X, Dong G, Zhao N, Zhang W. Aggregation-Induced Emission in a Polymeric Photovoltaic Donor Material. THE JOURNAL OF PHYSICAL CHEMISTRY C 2022; 126:20275-20283. [DOI: 10.1021/acs.jpcc.2c06848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Junyi Feng
- School of Physics and Materials Science, Guangzhou University, Guangzhou510006, China
| | - Rong Hu
- School of Materials Science and Engineering, Chongqing University of Arts and Sciences, Chongqing402160, China
| | - Jianjun Jiang
- School of Physics and Materials Science, Guangzhou University, Guangzhou510006, China
| | - Zekai Cai
- School of Physics and Materials Science, Guangzhou University, Guangzhou510006, China
| | - Shusheng Pan
- School of Physics and Materials Science, Guangzhou University, Guangzhou510006, China
- Research Center for Advanced Information Materials (CAIM), Huangpu Research and Graduate School of Guangzhou University, Guangzhou510006, China
| | - Xianshao Zou
- Division of Chemical Physics, Lund University, Lund22100, Sweden
| | - Geng Dong
- Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou515041, China
| | - Ningjiu Zhao
- Songshan Lake Materials Laboratory, Dongguan523808, China
- The State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou510640, China
| | - Wei Zhang
- School of Physics and Materials Science, Guangzhou University, Guangzhou510006, China
- Research Center for Advanced Information Materials (CAIM), Huangpu Research and Graduate School of Guangzhou University, Guangzhou510006, China
- Guangzhou University-Linköping University Research Center on Urban Sustainable Development, Guangzhou University, Guangzhou510006, China
| |
Collapse
|
10
|
Forde A, Freixas VM, Fernandez-Alberti S, Neukirch AJ, Tretiak S. Charge-Transfer Luminescence in a Molecular Donor-Acceptor Complex: Computational Insights. J Phys Chem Lett 2022; 13:8755-8760. [PMID: 36099248 DOI: 10.1021/acs.jpclett.2c02479] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Donor-acceptor molecular complexes are a popular class of materials utilizing charge-transfer states for practical applications. A recent class of donor-acceptor dyads based on the fluorescent BODIPY functionalized with triphenylamine (TPA) shows the peculiar property of dual fluorescence. It is hypothesized that instead of the sensitized charge-transfer state being optically dark, it provides an additional bright radiative pathway. Here we use time-dependent density functional theory to characterize the energetic alignment of excitonic and charge-transfer states in a BODIPY-TPA molecular complex. We observe that using a long-range exchange corrected functional in combination with state-specific solvation scheme gives a qualitatively correct alignment of the exciton and charge-transfer states and an enhancement in oscillator strength for the equilibrium solvated charge-transfer state, in agreement with experiment. This work provides rationalization of charge-transfer state emission and provides a foundation to explore charge-transfer using ab initio excited-state nonadiabatic dynamics.
Collapse
Affiliation(s)
- Aaron Forde
- Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States
- Center for Nonlinear Studies, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States
| | - Victor M Freixas
- Departamento de Ciencia y Tecnologiia, Univresidad Nacional de Quilmes/CONICET, B1876BXD, Bernal, Argentina
| | | | - Amanda J Neukirch
- Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States
| | - Sergei Tretiak
- Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States
- Center for Integrated Nanotechnologies, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States
| |
Collapse
|
11
|
Ran J, Zhang H, Fu S, Jaroniec M, Shan J, Xia B, Qu Y, Qu J, Chen S, Song L, Cairney JM, Jing L, Qiao SZ. NiPS 3 ultrathin nanosheets as versatile platform advancing highly active photocatalytic H 2 production. Nat Commun 2022; 13:4600. [PMID: 35933410 PMCID: PMC9357043 DOI: 10.1038/s41467-022-32256-6] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Accepted: 07/20/2022] [Indexed: 11/09/2022] Open
Abstract
High-performance and low-cost photocatalysts play the key role in achieving the large-scale solar hydrogen production. In this work, we report a liquid-exfoliation approach to prepare NiPS3 ultrathin nanosheets as a versatile platform to greatly improve the light-induced hydrogen production on various photocatalysts, including TiO2, CdS, In2ZnS4 and C3N4. The superb visible-light-induced hydrogen production rate (13,600 μmol h-1 g-1) is achieved on NiPS3/CdS hetero-junction with the highest improvement factor (~1,667%) compared with that of pure CdS. This significantly better performance is attributed to the strongly correlated NiPS3/CdS interface assuring efficient electron-hole dissociation/transport, as well as abundant atomic-level edge P/S sites and activated basal S sites on NiPS3 ultrathin nanosheets advancing hydrogen evolution. These findings are revealed by the state-of-art characterizations and theoretical computations. Our work for the first time demonstrates the great potential of metal phosphorous chalcogenide as a general platform to tremendously raise the performance of different photocatalysts.
Collapse
Affiliation(s)
- Jingrun Ran
- School of Chemical Engineering and Advanced Materials, University of Adelaide, Adelaide, SA 5005, Australia
| | - Hongping Zhang
- State Key Laboratory of Environmentally Friendly Energy Materials, Engineering Research Center of Biomass Materials (Ministry of Education), School of Materials Science and Engineering, Southwest University of Science and Technology, 621010, Mianyang, Sichuan, China
| | - Sijia Fu
- School of Chemical Engineering and Advanced Materials, University of Adelaide, Adelaide, SA 5005, Australia
| | - Mietek Jaroniec
- Department of Chemistry and Biochemistry & Advanced Materials and Liquid Crystal Institute, Kent State University, Kent, OH 44242, USA
| | - Jieqiong Shan
- School of Chemical Engineering and Advanced Materials, University of Adelaide, Adelaide, SA 5005, Australia
| | - Bingquan Xia
- School of Chemical Engineering and Advanced Materials, University of Adelaide, Adelaide, SA 5005, Australia
| | - Yang Qu
- Key Laboratory of Functional Inorganic Material Chemistry (Ministry of Education), School of Chemistry and Materials Science, International Joint Research Center for Catalytic Technology, Heilongjiang University, 150080, Harbin, P. R. China
| | - Jiangtao Qu
- Australian Centre for Microscopy and Microanalysis, The University of Sydney, Sydney, NSW 2006, Australia
| | - Shuangming Chen
- National Synchrotron Radiation Laboratory, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, 230029, Hefei, Anhui, P. R. China
| | - Li Song
- National Synchrotron Radiation Laboratory, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, 230029, Hefei, Anhui, P. R. China
| | - Julie M Cairney
- School of Physics, The University of Sydney, Sydney, NSW 2006, Australia
| | - Liqiang Jing
- Key Laboratory of Functional Inorganic Material Chemistry (Ministry of Education), School of Chemistry and Materials Science, International Joint Research Center for Catalytic Technology, Heilongjiang University, 150080, Harbin, P. R. China
| | - Shi-Zhang Qiao
- School of Chemical Engineering and Advanced Materials, University of Adelaide, Adelaide, SA 5005, Australia.
| |
Collapse
|
12
|
Ghosh HNATH, Goswami T, Bhatt H, Yadav DK. Atomically Thin 2D Photocatalysts for Boosted H2 Production from the perspective of Transient Absorption Spectroscopy. Phys Chem Chem Phys 2022; 24:19121-19143. [DOI: 10.1039/d2cp02148j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Excited state photophysical processes play the most important role in deciding the efficiency of any photonic applications like solar light driven H2 evolution, which is considered to be the next...
Collapse
|
13
|
Xu F, Meng K, Cao S, Jiang C, Chen T, Xu J, Yu J. Step-by-Step Mechanism Insights into the TiO 2/Ce 2S 3 S-Scheme Photocatalyst for Enhanced Aniline Production with Water as a Proton Source. ACS Catal 2021. [DOI: 10.1021/acscatal.1c04903] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Feiyan Xu
- Laboratory of Solar Fuel, Faculty of Materials Science and Chemistry, China University of Geosciences, 388 Lumo Road, Wuhan 430074, P. R. China
| | - Kai Meng
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, P. R. China
| | - Shuang Cao
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, P. R. China
| | - Chenhui Jiang
- 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
| | - Jingsan Xu
- School of Chemistry and Physics & Centre for Materials Science, Queensland University of Technology, Brisbane, Queensland 4001, Australia
| | - Jiaguo Yu
- Laboratory of Solar Fuel, Faculty of Materials Science and Chemistry, China University of Geosciences, 388 Lumo Road, Wuhan 430074, P. R. China
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, P. R. China
| |
Collapse
|
14
|
Xu JY, Tong X, Besteiro LV, Li X, Hu C, Liu R, Channa AI, Zhao H, Rosei F, Govorov AO, Wang Q, Wang ZM. Rational synthesis of novel "giant" CuInTeSe/CdS core/shell quantum dots for optoelectronics. NANOSCALE 2021; 13:15301-15310. [PMID: 34490860 DOI: 10.1039/d1nr04199a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
"Giant" core/shell quantum dots (g-QDs) are promising candidates for emerging optoelectronic technologies thanks to their facile structure/composition-tunable optoelectronic properties and outstanding photo-physical/chemical stability. Here, we synthesized a new type of CuInTeSe (CITS)/CdS g-QDs and regulated their optoelectronic properties by controlling the shell thickness. Through increasing the shell thickness, as-prepared g-QDs exhibited tunable red-shifted emission (from 900 to 1200 nm) and prolonged photoluminescence (PL) lifetimes (up to ∼14.0 μs), indicating a formed band structure showing efficient charge separation and transfer, which is further testified by theoretical calculations and ultrafast time-resolved transient absorption (TA) spectroscopy. These CITS/CdS g-QDs with various shell thicknesses can be employed to fabricate photoelectrochemical (PEC) cells, exhibiting improved photoresponse and stability as compared to the bare CITS QD-based devices. The results indicate that the rational design and engineering of g-QDs is very promising for future QD-based optoelectronic technologies.
Collapse
Affiliation(s)
- Jing-Yin Xu
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 610054, P. R. China.
| | - Xin Tong
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 610054, P. R. China.
- Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou 313001, P. R. China
| | - Lucas V Besteiro
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 610054, P. R. China.
- Institut National de la Recherche Scientifique, Centre Énergie, Matériaux et Télécommunications, 1650 Boul. Lionel Boulet, J3X 1S2 Varennes, Québec, Canada
| | - Xin Li
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 610054, P. R. China.
| | - Chenxia Hu
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Special Function Materials and Structure Design, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China.
| | - Ruitong Liu
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Special Function Materials and Structure Design, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China.
| | - Ali Imran Channa
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 610054, P. R. China.
| | - Haiguang Zhao
- College of Physics & State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, No. 308 Ningxia Road, Qingdao 266071, P. R. China
| | - Federico Rosei
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 610054, P. R. China.
- Institut National de la Recherche Scientifique, Centre Énergie, Matériaux et Télécommunications, 1650 Boul. Lionel Boulet, J3X 1S2 Varennes, Québec, Canada
| | | | - Qiang Wang
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Special Function Materials and Structure Design, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China.
| | - Zhiming M Wang
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 610054, P. R. China.
- Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou 313001, P. R. China
- Institute of Microengineering and Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia, 43600, Bangi, Selangor, Malaysia
| |
Collapse
|
15
|
Zhang H, Rong S, Zhang P. Photoinduced Simultaneous Thermal and Photocatalytic Activities of MnO 2 Revealed by Femtosecond Transient Absorption Spectroscopy. ACS APPLIED MATERIALS & INTERFACES 2021; 13:18944-18953. [PMID: 33861076 DOI: 10.1021/acsami.1c05009] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Solar light-induced catalysis has recently received great interest in efficiently and economically degrading volatile organic compounds, which deteriorate indoor and outdoor air quality. However, a few studies explored its essential photophysical and photochemical processes. Herein, the femtosecond transient absorption spectroscopy was used to investigate the decay of photogenerated holes in MnO2 with different Mn vacancies. About 67-93% of photogenerated holes recombined within a very short time (<130 ps), resulting in enhanced thermal catalytic activity of MnO2. Besides, really a small portion of photogenerated holes remained unchanged in the detection time period (1400 ps). ESR tests further confirm that photocatalytic pathway plays a significant role in degrading VOCs besides the thermal catalytic pathway when MnO2 is under illumination of UV-visible light. The introduction of an appropriate content of Mn vacancy did prolong the lifetime of photogenerated carriers. This work clarifies the mechanism of photoirradiation in improving the catalytic activity of MnO2 and the effect of manganese defects on the catalytic reaction.
Collapse
Affiliation(s)
- Huiyu Zhang
- State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing 100084, China
| | - Shaopeng Rong
- Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Pengyi Zhang
- State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing 100084, China
- Beijing Key Laboratory for Indoor Air Quality Evaluation and Control, Beijing 100084, China
| |
Collapse
|
16
|
Chen F, Ma T, Zhang T, Zhang Y, Huang H. Atomic-Level Charge Separation Strategies in Semiconductor-Based Photocatalysts. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2005256. [PMID: 33501728 DOI: 10.1002/adma.202005256] [Citation(s) in RCA: 103] [Impact Index Per Article: 34.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 09/11/2020] [Indexed: 06/12/2023]
Abstract
Semiconductor-based photocatalysis as a productive technology furnishes a prospective solution to environmental and renewable energy issues, but its efficiency greatly relies on the effective bulk and surface separation of photoexcited charge carriers. Exploitation of atomic-level strategies allows in-depth understanding on the related mechanisms and enables bottom-up precise design of photocatalysts, significantly enhancing photocatalytic activity. Herein, the advances on atomic-level charge separation strategies toward developing robust photocatalysts are highlighted, elucidating the fundamentals of charge separation and transfer processes and advanced probing techniques. The atomic-level bulk charge separation strategies, embodied by regulation of charge movement pathway and migration dynamic, boil down to shortening the charge diffusion distance to the atomic-scale, establishing atomic-level charge transfer channels, and enhancing the charge separation driving force. Meanwhile, regulating the in-plane surface structure and spatial surface structure are summarized as atomic-level surface charge separation strategies. Moreover, collaborative strategies for simultaneous manipulation of bulk and surface photocharges are also introduced. Finally, the existing challenges and future prospects for fabrication of state-of-the-art photocatalysts are discussed on the basis of a thorough comprehension of atomic-level charge separation strategies.
Collapse
Affiliation(s)
- Fang Chen
- Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences, Beijing, 100083, China
| | - Tianyi Ma
- Discipline of Chemistry, School of Environmental & Life Sciences, The University of Newcastle (UON), Callaghan, NSW, 2308, Australia
| | - Tierui Zhang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Yihe Zhang
- Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences, Beijing, 100083, China
| | - Hongwei Huang
- Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences, Beijing, 100083, China
| |
Collapse
|
17
|
Kranz C, Wächtler M. Characterizing photocatalysts for water splitting: from atoms to bulk and from slow to ultrafast processes. Chem Soc Rev 2021; 50:1407-1437. [DOI: 10.1039/d0cs00526f] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
This review provides a comprehensive overview on characterisation techniques for light-driven redox-catalysts highlighting spectroscopic, microscopic, electrochemical and spectroelectrochemical approaches.
Collapse
Affiliation(s)
- Christine Kranz
- Ulm University
- Institute of Analytical and Bioanalytical Chemistry
- 89081 Ulm
- Germany
| | - Maria Wächtler
- Leibniz Institute of Photonic Technology
- Department Functional Interfaces
- 07745 Jena
- Germany
- Friedrich Schiller University Jena
| |
Collapse
|
18
|
Zhang Y, Shi J, Ding X, Wu J, Zheng YZ, Tao X. Stable Mixed-Organic-Cation Perovskite MA 1–xFA xPbI 3 Integrated with MoS 2 for Enhanced Visible-Light Photocatalytic H 2 Evolution. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.0c04150] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Yifan Zhang
- State Key Laboratory of Organic−Inorganic Composites, Beijing University of Chemical Technology, 15 Beisanhuan East Road, Beijing 100029, P.R. China
| | - Jie Shi
- State Key Laboratory of Organic−Inorganic Composites, Beijing University of Chemical Technology, 15 Beisanhuan East Road, Beijing 100029, P.R. China
| | - Xiaoqing Ding
- State Key Laboratory of Organic−Inorganic Composites, Beijing University of Chemical Technology, 15 Beisanhuan East Road, Beijing 100029, P.R. China
| | - Jiaojiao Wu
- State Key Laboratory of Organic−Inorganic Composites, Beijing University of Chemical Technology, 15 Beisanhuan East Road, Beijing 100029, P.R. China
| | - Yan-Zhen Zheng
- State Key Laboratory of Organic−Inorganic Composites, Beijing University of Chemical Technology, 15 Beisanhuan East Road, Beijing 100029, P.R. China
| | - Xia Tao
- State Key Laboratory of Organic−Inorganic Composites, Beijing University of Chemical Technology, 15 Beisanhuan East Road, Beijing 100029, P.R. China
| |
Collapse
|
19
|
Abstract
The smart utilization of photons is paid global attention from the viewpoint of renewable energy and information technology. However, it is still impossible to store photons as batteries and condensers do for electrons. All the present technologies utilize (the energy of) photons in situ, such as solar panels, or in spontaneous relaxation processes, such as photoluminescence. If we can store the energy of photons over an arbitrary period and utilize them on demand, not only we will make an innovative progress in energy management, but we will also be able to replace a part of electrons by photons in the information technology for more efficient performance. In this article, we review a prototype of such a material including the current status of related research as well as where we are heading for.
Collapse
|
20
|
Zhao C, Chen Z, Shi R, Yang X, Zhang T. Recent Advances in Conjugated Polymers for Visible-Light-Driven Water Splitting. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e1907296. [PMID: 32483883 DOI: 10.1002/adma.201907296] [Citation(s) in RCA: 124] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 03/07/2020] [Accepted: 03/13/2020] [Indexed: 05/24/2023]
Abstract
With the ambition of solving the challenges of the shortage of fossil fuels and their associated environmental pollution, visible-light-driven splitting of water into hydrogen and oxygen using semiconductor photocatalysts has emerged as a promising technology to provide environmentally friendly energy vectors. Among the current library of developed photocatalysts, organic conjugated polymers present unique advantages of sufficient light-absorption efficiency, excellent stability, tunable electronic properties, and economic applicability. As a class of rising photocatalysts, organic conjugated polymers offer high flexibility in tuning the framework of the backbone and porosity to fulfill the requirements for photocatalytic applications. In the past decade, significant progress has been made in visible-light-driven water splitting employing organic conjugated polymers. The recent development of the structural design principles of organic conjugated polymers (including linear, crosslinked, and supramolecular self-assembled polymers) toward efficient photocatalytic hydrogen evolution, oxygen evolution, and overall water splitting is described, thus providing a comprehensive reference for the field. Finally, current challenges and perspectives are also discussed.
Collapse
Affiliation(s)
- Chengxiao Zhao
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Science, Nanjing Forestry University, Nanjing, 210037, China
| | - Zupeng Chen
- Department of Chemistry and Applied Biosciences, Institute for Chemical and Bioengineering, ETH Zürich, Zürich, 8093, Switzerland
| | - Run Shi
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Xiaofei Yang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Science, Nanjing Forestry University, Nanjing, 210037, China
| | - Tierui Zhang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
| |
Collapse
|
21
|
Zhang Y, Wu G, Liu F, Ding C, Zou Z, Shen Q. Photoexcited carrier dynamics in colloidal quantum dot solar cells: insights into individual quantum dots, quantum dot solid films and devices. Chem Soc Rev 2020; 49:49-84. [PMID: 31825404 DOI: 10.1039/c9cs00560a] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The certified power conversion efficiency (PCE) record of colloidal quantum dot solar cells (QDSCs) has considerably improved from below 4% to 16.6% in the last few years. However, the record PCE value of QDSCs is still substantially lower than the theoretical efficiency. So far, there have been several reviews on recent and significant achievements in QDSCs, but reviews on photoexcited carrier dynamics in QDSCs are scarce. The photovoltaic performances of QDSCs are still limited by the photovoltage, photocurrent and fill factor that are mainly determined by the photoexcited carrier dynamics, including carrier (or exciton) generation, carrier extraction or transfer, and the carrier recombination process, in the devices. In this review, the photoexcited carrier dynamics in the whole QDSCs, originating from individual quantum dots (QDs) to the entire device as well as the characterization methods used for analyzing the photoexcited carrier dynamics are summarized and discussed. The recent research including photoexcited multiple exciton generation (MEG), hot electron extraction, and carrier transfer between adjacent QDs, as well as carrier injection and recombination at each interface of QDSCs are discussed in detail herein. The influence of photoexcited carrier dynamics on the physiochemical properties of QDs and photovoltaic performances of QDSC devices is also discussed.
Collapse
Affiliation(s)
- Yaohong Zhang
- Faculty of Informatics and Engineering, The University of Electro-Communications, Tokyo 182-8585, Japan.
| | | | | | | | | | | |
Collapse
|
22
|
Wu C, Zhang J, Tong X, Yu P, Xu JY, Wu J, Wang ZM, Lou J, Chueh YL. A Critical Review on Enhancement of Photocatalytic Hydrogen Production by Molybdenum Disulfide: From Growth to Interfacial Activities. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2019; 15:e1900578. [PMID: 31165564 DOI: 10.1002/smll.201900578] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 03/23/2019] [Indexed: 06/09/2023]
Abstract
Ultrathin 2D molybdenum disulfide (MoS2 ), which is the flagship of 2D transition-metal dichalcogenide nanomaterials, has drawn much attention in the last few years. 2D MoS2 has been banked as an alternative to platinum for highly active hydrogen evolution reaction because of its low cost, high surface-to-volume ratio, and abundant active sites. However, when MoS2 is used directly as a photocatalyst, contrary to public expectation, it still performs poorly due to lateral size, high recombination ratio of excitons, and low optical cross section. Besides, simply compositing MoS2 as a cocatalyst with other semiconductors cannot satisfy the practical application, which stimulates the pursual of a comprehensive insight into recent advances in synthesis, properties, and enhanced hydrogen production of MoS2 . Therefore, in this Review, emphasis is given to synthetic methods, phase transitions, tunable optical properties, and interfacial engineering of 2D MoS2 . Abundant ways of band edge tuning, structural modification, and phase transition are addressed, which can generate the neoteric photocatalytic systems. Finally, the main challenges and opportunities with respect to MoS2 being a cocatalyst and coherent light-matter interaction of MoS2 in photocatalytic systems are proposed.
Collapse
Affiliation(s)
- Cuo Wu
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 610054, P. R. China
| | - Jing Zhang
- Department of Materials Science and Nanoengineering, Rice University, Houston, TX, 77005, USA
| | - Xin Tong
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 610054, P. R. China
| | - Peng Yu
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 610054, P. R. China
| | - Jing-Yin Xu
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 610054, P. R. China
| | - Jiang Wu
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 610054, P. R. China
| | - Zhiming M Wang
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 610054, P. R. China
| | - Jun Lou
- Department of Materials Science and Nanoengineering, Rice University, Houston, TX, 77005, USA
| | - Yu-Lun Chueh
- Department of Materials Science and Engineering, National Tsing Hua University, Hsinchu, 30013, Taiwan, ROC
- Department of Physics, National Sun Yat-Sen University, Kaohsiung, 80424, Taiwan, ROC
- Frontier Research Center on Fundamental and Applied Sciences of Matters, National Tsing Hua University, Hsinchu, 30013, Taiwan, ROC
| |
Collapse
|
23
|
Wang Y, Li Y, Cao S, Yu J. Ni-P cluster modified carbon nitride toward efficient photocatalytic hydrogen production. CHINESE JOURNAL OF CATALYSIS 2019. [DOI: 10.1016/s1872-2067(19)63343-7] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
|
24
|
Bai Y, Zhou Y, Zhang J, Chen X, Zhang Y, Liu J, Wang J, Wang F, Chen C, Li C, Li R, Li C. Homophase Junction for Promoting Spatial Charge Separation in Photocatalytic Water Splitting. ACS Catal 2019. [DOI: 10.1021/acscatal.8b05050] [Citation(s) in RCA: 78] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Yu Bai
- School of Chemistry and Materials Science, Liaoning Shihua University, No.1 West Dandong Road, Wanghua District, Fushun 113001, China
| | - Yueer Zhou
- School of Chemistry and Materials Science, Liaoning Shihua University, No.1 West Dandong Road, Wanghua District, Fushun 113001, China
| | - Jing Zhang
- School of Chemistry and Materials Science, Liaoning Shihua University, No.1 West Dandong Road, Wanghua District, Fushun 113001, China
| | - Xuebing Chen
- School of Chemistry and Materials Science, Liaoning Shihua University, No.1 West Dandong Road, Wanghua District, Fushun 113001, China
| | - Yonghui Zhang
- School of Chemistry and Materials Science, Liaoning Shihua University, No.1 West Dandong Road, Wanghua District, Fushun 113001, China
| | - Jifa Liu
- School of Chemistry and Materials Science, Liaoning Shihua University, No.1 West Dandong Road, Wanghua District, Fushun 113001, China
| | - Jian Wang
- School of Chemistry and Materials Science, Liaoning Shihua University, No.1 West Dandong Road, Wanghua District, Fushun 113001, China
| | - Fangfang Wang
- School of Chemistry and Materials Science, Liaoning Shihua University, No.1 West Dandong Road, Wanghua District, Fushun 113001, China
| | - Changdong Chen
- School of Chemistry and Materials Science, Liaoning Shihua University, No.1 West Dandong Road, Wanghua District, Fushun 113001, China
| | - Chun Li
- School of Chemistry and Materials Science, Liaoning Shihua University, No.1 West Dandong Road, Wanghua District, Fushun 113001, China
| | - Rengui Li
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, and The Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Zhongshan Road 457, Dalian 116023, China
| | - Can Li
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, and The Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Zhongshan Road 457, Dalian 116023, China
| |
Collapse
|