Handbook of Aggregation-Induced Emission, Volume 1

5 Chapter 5Figure 5.1 The structures of different categories of clusteroluminogens and ...Figure 5.2 (a) Chemical structures of quinuclidine ( 1), trimethylamine ( 2) a...Figure 5.3 (a) Chemical structures of polyethylene glycol (PEG), poly(ethyle...Figure 5.4 Chemical structures of oligomeric siloxane. Ref. [107].Figure 5.5 Chemical structures of (a) atactic and isotactic polystyrene, Ref...Figure 5.6 (a) Plots of the PL intensity change at 290 and 460 nm, respectiv...Figure 5.7 (a) Absorption and (b) photoluminescence spectra of 1,2‐diphenyle...Figure 5.8 (a) Chemical structures of poly[(maleic anhydride)‐alt‐(2,4,4‐tri...Figure 5.9 Schematic illustration of the unconventional luminescence of (a) ...Figure 5.10 CTE of Au(I)–thiolate complexes to ultrabright Au(0)@Au(I)–thiol...

6 Chapter 6Chart 6.1 Structure of TPE derivatives.Figure 6.1 Images of TPE1 (a)–(d) and TPE2 (f)–(i): (a), (f) pristine crysta...Figure 6.2 Photos of (a) TPE5CA, (b) TPE5CB, (c) TPE5Am under 365 nm UV illu...Figure 6.3 (a) View of C−H⋯O (green dashed line) and (b) C−H⋯ π (red das...Figure 6.4 View of C−H⋯O (green dashed line) interactions between molecules ...Figure 6.5 Fluorescent images and PL spectra of TPE13 converting reversibly ...Chart 6.2 Structure of DBF derivatives.Figure 6.6 Photos of (a) DBF4CO, (b) DBF4Am, (c) DBF4CY, (d) DBF4CB, (e) PL ...Figure 6.7 Analysis of the C–H⋯ π interactions (green line) in single cr...Figure 6.8 Photos of luminogen BPPX in different aggregate states: (a) BPPXB...Chart 6.3 Molecular structures of the DCNAC derivatives.Figure 6.9 Fluorescent photographs of the DCNAC derivatives (a) in solution ...Chart 6.4 Molecular structures of the R‐DHA derivatives.Figure 6.10 (a) Photos and their transformation diagram scheme of TDHA‐b, TD...Figure 6.11 (a) Molecular packing of crystal TDHA‐g. (b) Molecular packing o...Figure 6.12 Photo and PL spectra of DMAME film in the crystalline and amorph...Figure 6.13 (a) Molecular structures and Φ Fof the benzamide‐based diph...Chart 6.5 Molecular structures and Φ Fof the CSCz derivatives.Chart 6.6 Molecular structures of the Bo1‐9.Figure 6.14 Photographs of boron diiminates in crystalline and amorphous sta...Figure 6.15 The emission colors of Bodipy‐TPA‐BH‐COOH in single crystal and ...Figure 6.16 Repeated switching between dark and bright states of the emissio...Figure 6.17 (a) I – V – L characteristic and (b) current Φ Fof an LED devic...

7 Chapter 7Figure 7.1 Photograph of triphenylbenzene derivative (TPAB) without clay (le...Figure 7.2 Left: Unit structure of synthetic saponite‐type clay minerals. Th...Figure 7.3 Conceptual potential energy curve of molecule under the S 0and S 1Figure 7.4 Left: Absorption spectra of methylene blue in Kunipia montmorillo...Figure 7.5 Absorption spectra of p ‐TMPyP 4+with (red) and without (blue) cla...Figure 7.6 Structures of the dyes examined in this chapter.Figure 7.7 Plausible conceptual potential energy curves of the ground and ex...Figure 7.8 Left: Fluorescence spectra and fluorescence quantum yields ( φ ...Figure 7.9 Top: Fluorescence spectra normalized by absorbance at the excitat...Figure 7.10 Plausible conceptual potential energy curves of the ground and e...

8 Chapter 8Figure 8.1 Molecule structures of aggregation‐induced delayed fluorescence m...Figure 8.2 (a) Crystal structures of DBT‐BZ‐DMAC (CCDC 1483487); (b) molecul...Figure 8.3 The proposed photophysical mechanisms for AIDF molecules in solut...Figure 8.4 The main exciton dynamic processes for (a) a conventional luminog...Figure 8.5 (a) Luminance–current density–voltage and (b) current efficiency–...Figure 8.6 Molecule structures of aggregation‐induced delayed fluorescence m...Figure 8.7 (a) EL spectra, (b) current density–luminance–voltage, and (c) cu...Figure 8.8 (a) Optimized geometries, (b) HOMO and LUMO distributions, and (c...Figure 8.9 (a) Emission spectra of microcrystals of OPPh, OPNa, OPAn, and OP...Figure 8.10 Molecule structures of aggregation‐induced delayed fluorescence ...Figure 8.11 (a) Transient PL decay curves of 4,4‐CZSPz film carried out from...Figure 8.12 Molecular structure of PXZ2PTO and EQE–luminance characteristics...Figure 8.13 (a) (Left) Packing diagrams of 34AcCZ‐PM (CCDC 1877512) and (rig...Figure 8.14 EQE–luminance characteristics of the nondoped device based on ND...Figure 8.15 PL decay curve of the neat films of Pz‐DMNI. Inset in plot: mole...Figure 8.16 (a) Spatial distributions of HOMO and LUMO of the HPB‐based mole...Figure 8.17 Device configuration, molecular structures and EQE–luminance cha...Figure 8.18 Molecule structures of aggregation‐induced delayed fluorescence ...Figure 8.19 PL decay curve (left), molecule structure (center) and (C) the r...Figure 8.20 Molecular design and chemical structures of through‐space charge...

9 Chapter 9Figure 9.1 Representative AIEgens, including pentaphenylsilole [1], tetraphe...Figure 9.2 Homogeneous systems reviewed in this chapter. (a) Schematic illus...Figure 9.3 AIEgens showing strong emission in the presence of anions in homo...Figure 9.4 AIEgens showing strong emission in the presence of cations in hom...Figure 9.5 AIEgens showing strong emission by the formation of inclusion com...Figure 9.6 AIEgens showing strong emission after adhesion to macromolecules ...Figure 9.7 AIEgens showing strong emission due to steric hindrance restricti...Figure 9.8 AIEgens showing strong emission by covalent linkage restricting π ...Figure 9.9 Liquid AIEgens.Figure 9.10 Chemically crosslinked gels and crosslinkers derived from AIEgen...Figure 9.11 AIEgens forming physically cross‐linked gels.Figure 9.12 Molecules forming crystalline materials derived from AIEgens.

10 Chapter 10Figure 10.1 (a) Schematics of π – π stacking, (b) hydrogen bonds, (c...Figure 10.2 Preparation methods. (a) vapor‐phase method, (b) liquid‐phase me...Figure 10.3 Common packing modes of cocrystals formed via 1 : 1 stoichiometr...Figure 10.4 Schematic diagram of HAITE based on cocrystal, represented by th...Figure 10.5 (a) Structures of the reported donors and acceptors used in HAIT...Figure 10.6 (a) The images of the powders as well as the solutions (in CH 3OH...Figure 10.7 Fluorescence spectra of (a) DBT (excitation wavelength: 300 nm) ...Figure 10.8 (a) Schematic illustration of the molecular stacking of (BPA) 0.7...Figure 10.9 (a) The absorption spectra of pyrene/OFN, (b) pyrene/TCNB cocrys...Figure 10.10 (a) Fluorescence microscopy images and (b) PL spectra of pyrene...Figure 10.11 (a) Chemical structures of acceptor and donors, and the as‐form...Figure 10.12 (a) Molecular structures of COPV2 and COPV3, and the fluorescen...Figure 10.13 (a) Molecular structures of CCSQ‐1 and NCSQ‐g. (b) Photos of CC...Figure 10.14 (a) Schematic diagram of the electronic energies in the periodi...Figure 10.15 (a) Molecular distortion model for the planar Ant–OFN–Ant trime...Figure 10.16 (a) Absorption and (c) PL spectra of Per MS, OFN and Per/OFN MW...Figure 10.17 Cocrystallization schemes of (a) Per/OFN and (b) Cor/OFN. (c) T...Figure 10.18 (a) Jablonski diagram of TSB/TCNB cocrystal, all possible photo...Figure 10.19 Measured photoluminescence spectra of TSB/TCNB cocrystal. (a) N...Figure 10.20 (a, b) Crystal structure of TSB/TCNB (TSB in blue color, TCNB i...Figure 10.21 (a, b) Molecular structures of Nap/DITFB (a) and Phe/DITFB (b)....Figure 10.22 (a) Chemical structures of PPT and DDF as well as optical micro...

11 Chapter 11Figure 11.1 Structures of aromatic carbonyl compounds with anti‐Kasha emissi...Figure 11.2 (a) The fluorescence spectra of NDI 1 at different compositions ...Figure 11.3 (a) PL spectra of DMF‐BP‐PXZ in THF/water mixtures with differen...Figure 11.4 (a) The prompt (solid line) and delayed (dash line, 10 ms) PL sp...Figure 11.5 (a) Excitation‐wavelength‐dependent fluorescence spectra of SDPE...Figure 11.6 (a) Absorption spectra (gray lines), steady‐state PL emission sp...Figure 11.7 The relaxation mechanism for excited states of thin films of (a)...Figure 11.8 Structures of azulene analogues and other unconventional aromati...Figure 11.9 (a) A proposed process for the formation of intermolecular H‐bon...Figure 11.10 Under 365 nm excitation (a) Fluorescence spectra of the target ...Figure 11.11 (a) PL spectrum and peak fitting of DPPZ neat powder under ambi...Figure 11.12 (a) The absorption (dashed line) and fluorescence (solid lines)...