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Transition Metal-Based Photofunctional Materials: Recent Advances and Potential Applications

  • Hok-Lai Wong
  • Margaret Ching-Lam Yeung
  • Vivian Wing-Wah Yam
Chapter
Part of the Structure and Bonding book series (STRUCTURE, volume 172)

Abstract

This chapter highlights the importance of structure–property relationships in transition metal complexes for the construction of molecular- and supramolecular-based photofunctional materials and summarizes the recent advancements of this class of complexes with potential applications in the areas of energy, catalysis, materials, biology, and diagnostics.

Keywords

Artificial photosynthesis Biological sensors Carbon dioxide reduction Dye-sensitized solar cells Hydrogen generation Imaging Light-harvesting Molecular machines Organic light-emitting diodes Oxygen generation Photochromism Photosensitizer Supramolecular chemistry Transition metal complexes 

Abbreviations

[Ir(ppy)3]

Tris(2-phenylpyridine)iridium(III)

4-ppy

4-Phenylpyridine

bda

2,2′-Bipyridine-6,6′-dicarboxylate

BIBP

4,4′-Dialkylbipyridinium

bpm

2,2′-Bipyrimidine

bpy

2,2′-Bipyridine

bpz

2,2′-Bipyrazine

bzimpy

2,6-Bis(benzimidazol-2-yl)pyridine

CBPQT

Cyclobis(paraquat-p-phenylene)

CD

β-Cyclodextrin

CIE

Commission Internationale de L’Eclairage

CRI

Color rendering index

DABCO

1,4-Diazabicyclo[2.2.2]octane

DAE

1,2-Diarylethene

DIP

4,7-Diphenyl-1,10-phenanthroline

dmgBF2

(Difluoroboryl)dimethylglyoxime

dppee

1,2-Bis(diphenylphosphino)ethene

DSSCs

Dye-sensitized solar cells

e.r.

Enantiomeric ratio

EQE

External quantum efficiency

FIrpic

Bis[(4,6-difluorophenyl)pyridinato-N,C2](picolinato)iridium(III)

FRET

Förster resonance energy transfer

H2bda

2,2′-Bipyridine-6,6′-dicarboxylic acid

HOMO

Highest occupied molecular orbital

HTI

Hemithioindigo

ILCT

Intraligand charge transfer

IQE

Internal quantum efficiency

LF

Ligand field

LLCT

Ligand-to-ligand charge transfer

LUMO

Lowest unoccupied molecular orbital

MC

Merocyanine

3MLCT

Triplet metal-to-ligand charge transfer

MLCT

Metal-to-ligand charge transfer

3MMLCT

Triplet metal–metal-to-ligand charge transfer

MOFs

Metal-organic frameworks

NHCs

N-Heterocyclic carbenes

NIR

Near-infrared

NLO

Nonlinear optical

NPB

4,4′-Bis[N-(1-naphthyl)-N-phenylamino]biphenyl

OEC

Oxygen-evolving complex

OLEDs

Organic light-emitting diodes

PCE

Power conversion efficiency

PCET

Proton-coupled electron transfer

PET

Photo-induced electron transfer

phen

1,10-Phenanthroline

PHOLEDs

Phosphorescent organic light-emitting diodes

PLEDs

Polymer light-emitting diodes

PMMA

Poly(methyl methacrylate)

PPE-SO3

Poly(phenylene ethynylene sulfonate)

SMMs

Single-molecule magnets

TADF

Thermally activated delayed fluorescence

TEOA

Triethanolamine

TONs

Turnover numbers

TTF

Tetrathiafulvalene

WOLEDs

White organic light-emitting diodes

WPLEDs

White polymer light-emitting diodes

Notes

Acknowledgments

We acknowledge support from The University of Hong Kong under the URC Strategic Research Theme on New Materials. Financial supports from the University Grants Committee Areas of Excellence Scheme (AoE/P-03/08) and General Research Fund (GRF) (HKU 7060/12P, HKU 7051/13P, HKU 17305614, and HKU 17302414) from the Research Grants Council of Hong Kong Special Administrative Region, China, and The University of Hong Kong are gratefully acknowledged.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2016

Authors and Affiliations

  • Hok-Lai Wong
    • 1
  • Margaret Ching-Lam Yeung
    • 1
  • Vivian Wing-Wah Yam
    • 1
  1. 1.Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee, Hong Kong) and Department of Chemistry, The University of Hong KongHong KongChina

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