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Contents
Preface
ix
1. Quantum Dot Synthesis Methods 1
Yurii K. Gun’ko and Stephen Byrne
1.1 Introduction 1
1.2 High-Temperature Synthesis in Organic Solvents 2
1.2.1 Organometallic Synthesis 2
1.2.2 QD Synthesis from Non-Organometallic
Precursors 7
1.2.3 Microwave Synthesis 10
1.2.4 Transfer of QDs from Organic to
Aqueous Phase 11
1.3 Direct Aqueous Syntheses of QDs 14
1.4 Micellar Synthetic Approaches 17
1.5 Solvothermal Approaches 18
1.6 QD Luminescence Improvement 20
1.6.1 Surface Passivation and Core–Shell
Structure Formation 20
1.6.2 Photoetching of QDs 24
1.6.3 Role of Capping Ligands 27
1.7 Further Functionalisation and Bioconjugation of QDs 30
1.8 Concluding Remarks and Future Outlook 33
2. Biocompatible CdSe–ZnS Core–Shell Quantum Dots 43
Ibrahim Yildiz and Françisco M. Raymo
2.1 Semiconductor Quantum Dots 43
2.2 CdSe–ZnS Core–Shell Quantum Dots 44
2.3 Ligand Exchange 46
2.4 Ligand Interdigitation 51
2.5 Bioconjugation 52