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Группа авторов. Handbook of Aggregation-Induced Emission, Volume 1
Table of Contents
List of Tables
List of Illustrations
Guide
Pages
Handbook of Aggregation‐Induced Emission. Volume 1 Tutorial Lectures and Mechanism Studies
List of Contributors
Preface to Handbook of Aggregation‐Induced Emission
Preface to Volume 1: Fundamentals
1 The Mechanistic Understanding of the Importance of Molecular Motions to Aggregation‐induced Emission
1.1 Introduction
1.2 Restriction of Intramolecular Motion
1.2.1 Restriction of Intramolecular Rotation
1.2.2 Restriction of Intramolecular Vibration
1.2.3 Ultrafast Insights into Tetraphenylethylene Derivatives
1.2.4 Theoretical Insights into Restriction of Intramolecular Motion
1.3 Restricted Access to Conical Intersection
1.4 Restriction of Access to the Dark State
1.5 Suppression of Kasha’s Rule
1.6 Through Space Conjugation
1.6.1 Clusterization‐Triggered Emission
1.6.2 Polymerization‐induced Emission
1.6.3 Excited‐state Through‐space Conjugation
1.7 Perspective
References
2 Understanding the AIE Mechanism at the Molecular Level
2.1 Introduction
2.2 Theoretical Methods. 2.2.1 Radiative and Nonradiative Rate Constants
2.2.2 Computational Details
2.3 Revealed AIE Mechanism
2.3.1 Rotating Vibrations of Intramolecular Aromatic Ring
2.3.2 Stretching Vibrations of Bonds
2.3.3 Bending Vibration of Bonds
2.3.4 Flipping Vibrations of Molecular Skeletons
2.3.5 Twisting Vibration of Molecular Skeletons
2.4 Visualize Calculated Parameters in Experiments
2.4.1 Stokes Shift vs Reorganization Energy
2.4.2 Resonance Raman Spectroscopy (RSS) vs Reorganization Energy
2.4.3 Isotope Effect vs DRE
2.4.4 Linear Relationship between Fluorescence Intensity and Amorphous Aggregate Size
2.4.5 Pressure‐induced Enhanced Emission (PIEE)
2.5 Molecular Design Based on AIE Mechanism
2.6 Summary and Outlook
Acknowledgments
References
3 Aggregation‐induced Emission from the Restriction of Double Bond Rotation at the Excited State
3.1 Introduction
3.2 AIE Phenomena and Applications from RDBR Mechanism. 3.2.1 Evolvement and Development of AIE Mechanisms
3.2.2 Investigation of RDBR AIE Mechanism by E/Z isomerization
3.2.3 Investigating of RDBR AIE Mechanism by Immobilization of TPE Propeller‐like Conformation
3.2.4 Research of Theoretical Calculation on RDBR
3.2.5 Other AIEgens Involving RBDR Process
3.3 Conclusions
References
4 The Expansion of AIE Thought: From Single Molecule to Molecular Uniting
4.1 Aggregation‐Induced Emission
4.2 Photoluminescence Materials Based on Molecular Set
4.3 Mechanoluminescence Materials Based on Molecular Set
4.3.1 Mechanoluminescence Materials with Fluorescence Emission
4.3.2 Mechanoluminescence Materials with Mechanical Induced Dual‐ or Tri‐color Emission
4.3.3 Quantitative Research of Mechanoluminescence Property
4.4 Mechanochromism Materials
4.4.1 Mechanochromism Materials Based on Polymorphs
4.4.2 Mechanochromism Materials Based on Excimer Emission
4.4.3 Other Kinds of Mechanochromism Materials
4.5 Room Temperature Phosphorescence Materials Based on Molecular Uniting
4.5.1 Room Temperature Phosphorescence Materials with Aromatics
4.5.2 Room Temperature Phosphorescence Materials with Simple or Nonaromatic Structure
4.5.3 Room Temperature Phosphorescence Materials with Multiple Emission
4.5.4 Photoinduced Room Temperature Phosphorescence Materials
4.6 Conclusion and Perspectives
References
5 Clusterization‐Triggered Emission
5.1 Introduction
5.2 Pure n‐Electron Systems
5.3 Pure π‐Electron Systems
5.4 (n, π)‐Electrons Systems
5.5 Other Systems
5.6 Summary
References
6 Crystallization‐induced Emission Enhancement
6.1 Introduction
6.2 Tetraphenylethylene Derivatives
6.3 CIEE Active Luminogens with Bulky Conjugation Core
6.3.1 Dibenzofulvene (DBF) Derivatives (Chart 6.2)
6.3.2 9‐([1,1′‐Biphenyl]‐4‐ylphenylmethylene)‐9H‐xanthene
6.3.3 Dicyanomethylenated Acridones
6.3.4 Bis(diarylmethylene)dihydroanthracene [31]
6.4 Other High‐contrast CIEE Luminogens. 6.4.1 4‐Dimethylamino‐2‐Benzylidene Malonic Acid Dimethyl Ester
6.4.2 Diphenyl Maleimide Derivatives [33]
6.4.3 3,4‐Bisthienylmaleic Anhydride [34]
6.4.4 Boron‐containing CIEE Luminogens
6.5 Potential Applications. 6.5.1 Volatile Organic Compounds (VOCs) Sensor
6.5.2 OLED
6.5.3 High‐density Data Storage
6.5.4 Mechanochromic (MC) Luminescent Sensor
6.6 Summary and Perspective
References
7 Surface‐fixation Induced Emission
7.1 Introduction
7.2 What Happened to the Characteristics of Molecules on the Clay Mineral Nanosheets
7.3 Clay–Molecular Complexes
7.4 Absorption Spectra of Clay–Molecular Complexes
7.5 Emission Enhancement Phenomenon in Clay–Molecular Complexes: S‐FIE
7.6 Mechanism of Surface‐Fixation Induced Emission
7.7 Summary and Outlook
Acknowledgment
References
8 Aggregation‐induced Delayed Fluorescence
8.1 Introduction
8.2 Novel Aggregation‐induced Delayed Fluorescence Luminogens
8.3 Conclusion and Outlook
References
9 Homogeneous Systems to Induce Emission of AIEgens
9.1 Introduction
9.2 Homogeneous Solution
9.2.1 Complexation with Anions
9.2.2 Complexation with Cations
9.2.3 Inclusion Complexes
9.2.4 Adhesion on Macromolecules
9.2.5 Steric Hindrance
9.2.6 Covalent Linkage
9.3 Liquid
9.4 Gels and Network Polymers
9.4.1 Chemically Crosslinked Gels
9.4.2 Physically Crosslinked Gels
9.5 Crystalline Materials
9.6 Outlook and Future Perspectives
References
10 Hetero‐aggregation‐induced Tunable Emission (HAITE) Through Cocrystal Strategy
10.1 Introduction
10.2 Interactions Within Organic Cocrystals
10.3 Preparation of Organic Cocrystals
10.4 Molecular Stacking Modes Within Organic Cocrystals
10.5 Characterization of Organic Cocrystals
10.6 HAITE Through Cocrystal Strategy
10.6.1 HAITE with Tunable Color and Enhanced Emission
10.6.1.1 Insignificant Changed Intensity but Tuned Color
10.6.1.2 Enhanced Emission and Tuned Color
10.6.2HAITE with Increased PLQY but Intrinsic Color
10.6.3 HAITE: Thermally Activated Delayed Fluorescence
10.6.4 HAITE‐phosphorescence
10.7 Summary and Outlook
References
11 Anti‐Kasha Emission from Organic Aggregates
11.1 Introduction
11.2 Anti‐Kasha Emission from Aromatic Carbonyl Compounds in Aggregates
11.3 Anti‐Kasha Emission from Azulene Compounds in Aggregate
11.4 Anti‐Kasha Emission from Other Unconventional Aromatic Compounds in Aggregates
11.5 Conclusions
References
12 Aggregation‐enhanced Emission: From Flexible to Rigid Cores
12.1 Introduction
12.2 Freely Moving Rotors‐induced Emission Enhancement
12.3 Guest‐induced Emission Enhancement
12.4 Conclusion
Acknowledgment
References
13 Room‐temperature Phosphorescence of Pure Organics
13.1 Introduction
13.2 Fundamental Mechanism in Organic Phosphorescence. 13.2.1 Photophysical Process for Phosphorescence
13.2.2 Theoretical Study on Phosphorescent Process
13.3 Recent Progress in Organic RTP Materials
13.3.1 Crystallization‐induced RTP
13.3.1.1 Heavy Atom Effect
13.3.1.2 Molecular Interaction
13.3.1.3 H‐aggregation
13.3.2 Doping in Rigid Matrix‐induced RTP
13.3.2.1 Host–Guest System
13.3.2.2 Doping in Polymer Matrix
13.3.3 Clustering‐triggered RTP
13.3.3.1 Natural Products
13.3.3.2 Synthetic Compounds
13.3.4 Other Systems. 13.3.4.1 Amorphous Organics
13.3.4.2 Organic Framework
13.3.4.3 Supramolecular Organics
13.3.4.4 Hybrid Perovskites
13.3.5 Applications
13.4 Conclusions and Perspectives
References
14 A Global Potential Energy Surface Approach to the Photophysics of AIEgens: The Role of Conical Intersections
14.1 Introduction
14.2 Methodological Aspects. 14.2.1 Intramolecular Restriction Models and the FGR‐based Approach
14.2.2 A PES‐based Description of Photochemical Mechanisms
14.2.3 Computational Approaches for Excited States
14.2.3.1 Electronic Structure Methods for Excited States
14.2.3.2 Dynamics Simulations in the Context of AIE
14.2.4 Methods for Large Systems
14.3 CI‐centered Global PES for AIEgens
14.3.1 Double‐bond Torsion
14.3.2 Double‐bond Torsion vs Cyclization in TPE Derivatives
14.3.3 Excited‐state Intramolecular Proton Transfer (ESIPT) Compounds
14.3.4 Ring Puckering
14.3.5 Bond Stretching
14.3.6 A View of AIE Based on the RACI Model and the Global PES
14.4 Crystallization‐induced Phosphorescence
14.5 Effect of Intermolecular and Intramolecular Interactions on the Photophysics of AIEgens. 14.5.1 Excitonic Effects in AIE
14.5.2 Effect of Intramolecular and Intermolecular Interactions on Emission Color
14.6 New Challenges. 14.6.1 The Role of Dark States in AIE
14.6.2 Pressure‐induced Emission Enhancement
14.6.3 AIE in Transition Metal (TM) Compounds
14.7 Conclusions and Outlook
References
15 Multicomponent Reactions as Synthetic Design Tools of AIE and Emission Solvatochromic Quinoxalines
15.1 Introduction
15.2 Synthetic Approaches to Quinoxalines via Multicomponent Reactions and One‐Pot Processes
15.3 Photophysical Properties and Emission Solvatochromicity of Quinoxalines
15.4 AIE Characteristics and Effects of Quinoxalines
15.5 Conclusion
Acknowledgments
References
16 Aggregation‐induced Emission Luminogens with Both High‐luminescence Efficiency and Charge Mobility
16.1 Introduction
16.2 p‐Type OSCs
16.3 n‐Type OSCs
16.4 Ambipolar OSCs
16.5 Conclusion and Perspective
References
17 Morphology Modulation of Aggregation‐induced Emission: From Thermodynamic Self‐assembly to Kinetic Controlling
17.1 Introduction
17.2 Aggregation Modulation of AIE Bioprobes via Hydrophilicity Improvement
17.2.1 Molecular Modification
17.2.2 Polymerization with Hydrophilic Matrix
17.3 Thermodynamic Self‐assembly of AIE Materials
17.4 Morphology Tuning of AIE Nanoaggregates
17.5 Kinetic‐driven Preparation of AIE NPs
17.6 Conclusion and Outlook
References
18 AIE‐active Polymer
18.1 Introduction
18.2 Photophysical Properties. 18.2.1 Quantum Yield
18.2.2 Photosensitization
18.2.3 Two‐photon Absorption and Emission
18.2.4 Circularly Polarized Luminescence
18.3 Applications. 18.3.1 Chem‐sensor
18.3.2 Bioimaging
18.3.3 Therapy Applications
18.4 Conclusion and Perspective
Acknowledgments
References
19 Liquid‐crystalline AIEgens: Materials and Applications
19.1 Introduction
19.2 Materials: Molecular Design. 19.2.1 Discotic LC AIEgen
19.2.2 Calamitic LC AIEgens
19.2.3 Polymeric LC AIEgens
19.3 Applications of LC AIEgens. 19.3.1 Linearly Polarized Luminescence
19.3.2 Circularly Polarized Luminescence
19.4 Conclusion
References
20 Push–Pull AIEgens
20.1 Introduction
20.2 Basic Concept of Molecular Design. 20.2.1 Photophysical Excited States in Aggregates
20.2.2 Fundamental Molecular Design to Achieve Push–Pull AIEgens
20.3 Push–Pull AIEgens from Rotor Structure
20.3.1 Double Bond Stator
20.3.2 Point‐restricted Rotors from Atoms or Functional Groups
20.3.3 Aromatic Rotors
20.4 Push–Pull AIEgens from ACQ Chromophores
20.4.1 BT‐based AIEgens
20.4.2 Cyanine and DCM‐based AIEgens
20.4.3 QM‐based AIEgens
20.4.4 DPP‐based AIEgens
20.4.5 Rylene‐based AIEgens
20.5 Concluding Remarks
References
Index. a
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