Near-infrared plasmonics with vacancy doped semiconductor nanocrystals:
Gespeichert in:
| 1. Verfasser: | |
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| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
2013
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| Schlagworte: | |
| Online-Zugang: | Volltext http://d-nb.info/1046503316/34 kostenfrei Inhaltsverzeichnis |
| Beschreibung: | XII, 128 S. Ill., graph. Darst. |
| Format: | Langzeitarchivierung gewährleistet, LZA |
Internformat
MARC
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| 245 | 1 | 0 | |a Near-infrared plasmonics with vacancy doped semiconductor nanocrystals |c Ilka Kriegel |
| 264 | 1 | |c 2013 | |
| 300 | |a XII, 128 S. |b Ill., graph. Darst. | ||
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Datensatz im Suchindex
| _version_ | 1804151888361291776 |
|---|---|
| adam_text | CONTENTS
CONTENTS
ABSTRACT I
KURZFASSUNG ILL
LIST OF PUBLICATIONS V
CONFERENCE CONTRIBUTIONS VI
CONTENTS IX
I. INTRODUCTION 1
N.
VACANCY DOPING IN COPPER CHALCOGENIDE NANOCRYSTALS: SEMICONDUCTING AND
METALLIC PROPERTIES 5
II.
1 SYNTHESIS AND OPTICAL PROPERTIES OF SEMICONDUCTOR NANOCRYSTALS 6
II.
1.1 SYNTHESIS OF SEMICONDUCTOR NANOCRYSTALS 6
II.
1.2 OPTICAL PROPERTIES OF SEMICONDUCTOR NANOCRYSTALS 7
11.2 PLASMON RESONANCES IN METALLIC NANOPARTICLES 12
11.3 VACANCY-DOPED SEMICONDUCTOR NANOCRYSTALS: COPPER CHALCOGENIDES 26
11.3.1 THE ROLE OF STOICHIOMETRY, CRYSTAL STRUCTURE AND COPPER VACANCIES
27
11.3.2 PHYSICAL PROPERTIES OF VACANCY DOPED COPPER CHALCOGENIDES 28
11.4 COPPER CHALCOGENIDE NANOCRYSTALS: STATE OF RESEARCH AND OPEN
QUESTIONS 29
III. EXPERIMENTAL METHODS AND SAMPLE PREPARATION 31
III.
1 CHARACTERIZATION OF NANOCRYSTALS: STRUCTURE, SHAPE AND COMPOSITION 31
III.
1.1 STRUCTURAL CHARACTERIZATION WITH X-RAY DIFFRACTION 31
III.
1.2 ELECTRON MICROSCOPY FOR THE INVESTIGATION OF THE NANOCRYSTAL SHAPE
AND
COMPOSITION 32
III.
1.3 FTIR-SPECTROSCOPY: A TOOL TO IDENTIFY SURFACE LIGANDS 36
111.2 OPTICAL SPECTROSCOPY 37
111.2.1 ABSORPTION AND SCATTERING 37
111.2.2 PHOTOLUMINESCENCE 41
111.2.3 PUMP-PROBE SPECTROSCOPY 43
111.3 SAMPLE PREPARATION 44
IX
HTTP://D-NB.INFO/1047785978
CONTENTS
111.3.1 SYNTHESIS OF CU2-
X
S SUPERLATTICES 44
111.3.2 SYNTHESIS OF STOICHIOMETRIC AND COPPER DEFICIENT COPPER
CHALCOGENIDE NANOCRYSTALS
45
111.3.2.1 SYNTHESIS OF COPPER CHALCOGENIDE NANOCRYSTALS 45
111.3.2.2 OXIDATION AND REDUCTION EXPERIMENTS 46
111.3.3 ION EXCHANGE FOR THE SYNTHESIS OF CUI-XTE NANOCRYSTALS OF
VARIOUS SHAPES 47
111.3.3.1 SYNTHESIS OF CD BASED NANOCRYSTALS OF VARIOUS SHAPES 47
111.3.3.2 CATION EXCHANGE REACTIONS TO SYNTHESIZE CU2-
X
TE NANOCRYSTALS OF VARIOUS
SHAPES 50
IV. IDENTIFYING THE PLASMONIC NATURE OF THE NEAR-INFRARED RESONANCES IN
COPPER
CHALCOGENIDE NANOCRYSTALS §3
IV.
1 LOCALIZED SURFACE PLASMON RESONANCES IN COPPER CHALCOGENIDE
NANOCRYSTALS 54
IV.
1.1 REFRACTIVE INDEX SENSING WITH COPPER CHALCOGENIDE NANOCRYSTALS 57
IV.
1.2 INTRINSIC SIZE EFFECT OF THE LOCALIZED SURFACE PLASMON RESONANCE IN
CU2-
X
S
NANOCRYSTALS 59
IV.
1.3 NEAR-INFRARED PLASMON DYNAMICS IN COPPER CHALCOGENIDE NANOCRYSTALS
60
IV.2 INTERPARTICLE PLASMON COUPLING OF CU2-
X
S NANOCRYSTALS IN CLOSE PACKED SUPERLATTICE
ARRAYS 64
IV.2.1 CU
2
.
X
S NANOCRYSTAL SUPERLATTICE ARRAYS 64
IV.2.2 BLUE-SHIFT OF THE PLASMON RESONANCE UPON LIGAND INDUCED
DISASSEMBLY 65
IV.3 CHAPTER SUMMARY 68
V. TUNING THE EXCITONIC AND PLASMONIC PROPERTIES OF COPPER CHALCOGENIDE
NANOCRYSTALS 69
V.L EXCITONIC AND PLASMONIC PROPERTIES OF CU2-
X
S NANOCRYSTALS 70
V.2 TUNING THE PLASMONIC PROPERTIES UPON CONTROLLED OXIDATION 73
V.3 SUPPRESSING THE PLASMON RESONANCE VIA CHEMICAL REDUCTION 76
V.4 PROBING THE CAUSES OF COPPER VACANCY FORMATION 78
V.5 PLASMON INDUCED QUENCHING OF THE EXCITONIC TRANSITIONS 79
V.6 CHAPTER SUMMARY 82
X
CONTENTS
VI. FREE CARRIERS OR CARRIER LOCALIZATION? - DEVIATION FROM THE USUAL
DRUDE
MODEL 83
VI.
1 SHAPE DEPENDENT EXTINCTION OF CII2-
X
TE NANOCRYSTALS 84
VI.2 OPTICAL MODELING OF CII2-
X
TE NANOCRYSTALS OF VARIOUS SHAPES 86
VI.3 SHAPE DEPENDENT NEAR-FIELD PROPERTIES OF CU2-
X
TE NANOCRYSTALS 95
VI.4 CHAPTER SUMMARY 96
VII.
CONCLUSIONS AND OUTLOOK 97
APPENDIX 101
ABBREVIATIONS ILL
BIBLIOGRAPHY 113
ACKNOWLEDGEMENTS 127
XI
|
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| language | English |
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| physical | XII, 128 S. Ill., graph. Darst. |
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| spelling | Kriegel, Ilka Verfasser (DE-588)1047785811 aut Near-infrared plasmonics with vacancy doped semiconductor nanocrystals Ilka Kriegel 2013 XII, 128 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier München, Univ., Diss., 2013 Langzeitarchivierung gewährleistet, LZA (DE-588)4113937-9 Hochschulschrift gnd-content Feldmann, Jochen 1961- (DE-588)112295878 dgs Erscheint auch als Online-Ausgabe urn:nbn:de:bvb:19-164558 https://nbn-resolving.org/urn:nbn:de:bvb:19-164558 Resolving-System kostenfrei Volltext http://d-nb.info/1046503316/34 Langzeitarchivierung Nationalbibliothek http://edoc.ub.uni-muenchen.de/16455/ Verlag kostenfrei DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027097257&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Kriegel, Ilka Near-infrared plasmonics with vacancy doped semiconductor nanocrystals |
| subject_GND | (DE-588)4113937-9 |
| title | Near-infrared plasmonics with vacancy doped semiconductor nanocrystals |
| title_auth | Near-infrared plasmonics with vacancy doped semiconductor nanocrystals |
| title_exact_search | Near-infrared plasmonics with vacancy doped semiconductor nanocrystals |
| title_full | Near-infrared plasmonics with vacancy doped semiconductor nanocrystals Ilka Kriegel |
| title_fullStr | Near-infrared plasmonics with vacancy doped semiconductor nanocrystals Ilka Kriegel |
| title_full_unstemmed | Near-infrared plasmonics with vacancy doped semiconductor nanocrystals Ilka Kriegel |
| title_short | Near-infrared plasmonics with vacancy doped semiconductor nanocrystals |
| title_sort | near infrared plasmonics with vacancy doped semiconductor nanocrystals |
| topic_facet | Hochschulschrift |
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