Formation mechanisms of silver nanoparticles in soda-lime silicate glasses:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
2013
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| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | XXIV, 168 S. Ill., graph. Darst. |
Internformat
MARC
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| 264 | 1 | |c 2013 | |
| 300 | |a XXIV, 168 S. |b Ill., graph. Darst. | ||
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Datensatz im Suchindex
| _version_ | 1804151622240043008 |
|---|---|
| adam_text | CONTENTS
LIST OF FIGURES XI
LIST OF TABLES XXI
LIST OF ABBREVIATIONS XXIII
1 INTRODUCTION AND MOTIVATION 1
1.1 AIM OF THE WORK 3
1.2 STRUCTURE OF THE THESIS 3
2 FORMATION AND PROPERTIES OF SILVER NANOPARTICLES 5
2.1 NANOPARTICLES: TERMINOLOGY AND DEFINITIONS 5
2.2 NOBLE METAL CLUSTERS AND NANOPARTICLES 6
2.2.1 OPTICAL PROPERTIES OF NOBLE METAL CLUSTERS 7
2.2.2 OPTICAL PROPERTIES OF NOBLE METAL NANOPARTICLES .... 9
2.2.3 SURFACE ENHANCED RAMAN SCATTERING 13
2.3 SILVER PARTICLES STABILIZED IN GLASS 17
2.3.1 THE GLASS MATRIX 18
2.3.2 THE SILVER ION-EXCHANGE 20
2.4 NUCLEATION AND GROWTH 20
2.4.1 CLASSICAL NUCLEATION THEORY 20
2.4.2 THEORETICAL DESCRIPTION OF PARTICLE GROWTH 22
3 SAMPLE PREPARATION AND EXPERIMENTAL METHODS 25
3.1 SAMPLE PREPARATION 25
3.1.1 ION-EXCHANGE METHOD 26
3.1.2 MELT QUENCH TECHNIQUE 27
3.2 EXPERIMENTAL METHODS 28
3.2.1 SPECTROSCOPIC METHODS 28
3.2.2 DIFFERENTIAL SCANNING CALORIMETRY 30
3.2.3 MICROSCOPY 31
VII
HTTP://D-NB.INFO/1046155261
CONTENTS
3.2.4 SMALL ANGLE X-RAY SCATTERING 33
4 SILVER NANOPARTICLE FORMATION IN THE GLASS MATRIX 37
4.1 THE SILVER ION-EXCHANGE 37
4.1.1 SILVER CONCENTRATION PROFILES 37
4.1.2 OPTICAL PROPERTIES 40
4.1.3 INVESTIGATION WITH SAXS 43
4.2 NANOPARTICLE GROWTH 47
5 THE GROWTH MECHANISM 51
5.1 INFLUENCE OF TEMPERATURE 51
5.1.1 INVESTIGATION WITH UV-VIS 52
5.1.2 INVESTIGATION WITH SAXS 54
5.1.3 INVESTIGATION WITH TEM 54
5.2 INFLUENCE OF DURATION 59
5.2.1 INVESTIGATION WITH UV-VIS 59
5.2.2 INVESTIGATION WITH SAXS 63
5.2.3 INVESTIGATION WITH TEM 69
5.3 INFLUENCE OF SILVER ION CONCENTRATION 70
5.3.1 INVESTIGATION WITH UV-VIS 70
5.3.2 INVESTIGATION WITH SAXS 71
5.4 THE GROWTH MECHANISM 76
6 FORMATION OF SILVER PARTICLES OF DEFINED SIZE 79
6.1 SELECTIVE FORMATION OF MOLECULAR SILVER CLUSTERS 80
6.1.1 OPTICAL PROPERTIES OF MOLECULAR SILVER CLUSTERS 80
6.1.2 INVESTIGATION WITH SAXS 85
6.1.3 STABILITY OF MOLECULAR SILVER CLUSTERS 86
6.2 SIZE CONTROL VIA PREFORMED STABLE CLUSTERS 90
6.2.1 ANNEALING CLUSTER CONTAINING SAMPLES AT 500 C AND
550 C 91
6.2.2 ANNEALING CLUSTER CONTAINING SAMPLES AT 600 C ... 94
6.2.3 CONCEPT FOR SIZE CONTROLLED NANOPARTICLES 98
6.3 HYDROGEN ASSISTED PARTICLE FORMATION 103
6.3.1 INFLUENCE OF TEMPERATURE AND DURATION 105
6.3.2 INFLUENCE OF SEED CONCENTRATION 109
6.3.3 CONCEPT FOR SIZE CONTROLLED NANOPARTICLES 114
7 SURFACE ENHANCED RAMAN SCATTERING APPLICATIONS 117
7.1 SAMPLE PREPARATION AND CHARACTERIZATION 118
7.1.1 INVESTIGATION WITH TEM 119
VIII
CONTENTS
7.2 EXPOSURE OF THE SILVER NANOPARTICLES 121
7.2.1 INVESTIGATION WITH ESEM 121
7.2.2 INVESTIGATION WITH AFM 121
7.3 SURFACE ENHANCED RAMAN SCATTERING 122
8 ENHANCED FLUORESCENCE APPLICATIONS 125
8.1 FLUORESCENCE OF EUROPIUM AND SAMARIUM 126
8.1.1 FLUORESCENCE OF EUROPIUM 127
8.1.2 FLUORESCENCE OF SAMARIUM 128
8.2 ENHANCED FLUORESCENCE OF EUROPIUM AND SAMARIUM 130
8.2.1 ENHANCED FLUORESCENCE OF EUROPIUM 130
8.2.2 ENHANCED FLUORESCENCE OF SAMARIUM 131
8.3 MECHANISTIC INTERPRETATION OF THE ENHANCED FLUORESCENCE . . . 135
9 CONCLUSION AND OUTLOOK 141
APPENDIX 145
BIBLIOGRAPHY 149
IX
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| any_adam_object | 1 |
| author | Mbobnda, Anne Simo |
| author_GND | (DE-588)1045570958 |
| author_facet | Mbobnda, Anne Simo |
| author_role | aut |
| author_sort | Mbobnda, Anne Simo |
| author_variant | a s m as asm |
| building | Verbundindex |
| bvnumber | BV041479765 |
| classification_rvk | VE 9357 VE 9857 |
| ctrlnum | (OCoLC)870909299 (DE-599)BVBBV041479765 |
| dewey-full | 546.6541 |
| dewey-hundreds | 500 - Natural sciences and mathematics |
| dewey-ones | 546 - Inorganic chemistry |
| dewey-raw | 546.6541 |
| dewey-search | 546.6541 |
| dewey-sort | 3546.6541 |
| dewey-tens | 540 - Chemistry and allied sciences |
| discipline | Chemie / Pharmazie |
| format | Thesis Book |
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| indexdate | 2024-07-10T00:57:44Z |
| institution | BVB |
| language | English |
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| physical | XXIV, 168 S. Ill., graph. Darst. |
| publishDate | 2013 |
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| spelling | Mbobnda, Anne Simo Verfasser (DE-588)1045570958 aut Formation mechanisms of silver nanoparticles in soda-lime silicate glasses von Anne Simo Mbobnda 2013 XXIV, 168 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Berlin, Humboldt-Univ., Diss., 2013 Silber (DE-588)4133759-1 gnd rswk-swf Nanodispersion (DE-588)1088446744 gnd rswk-swf Nanopartikel (DE-588)4333369-2 gnd rswk-swf Kalknatronglas (DE-588)4754298-6 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Kalknatronglas (DE-588)4754298-6 s Silber (DE-588)4133759-1 s Nanodispersion (DE-588)1088446744 s DE-604 Nanopartikel (DE-588)4333369-2 s DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=026925752&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Mbobnda, Anne Simo Formation mechanisms of silver nanoparticles in soda-lime silicate glasses Silber (DE-588)4133759-1 gnd Nanodispersion (DE-588)1088446744 gnd Nanopartikel (DE-588)4333369-2 gnd Kalknatronglas (DE-588)4754298-6 gnd |
| subject_GND | (DE-588)4133759-1 (DE-588)1088446744 (DE-588)4333369-2 (DE-588)4754298-6 (DE-588)4113937-9 |
| title | Formation mechanisms of silver nanoparticles in soda-lime silicate glasses |
| title_auth | Formation mechanisms of silver nanoparticles in soda-lime silicate glasses |
| title_exact_search | Formation mechanisms of silver nanoparticles in soda-lime silicate glasses |
| title_full | Formation mechanisms of silver nanoparticles in soda-lime silicate glasses von Anne Simo Mbobnda |
| title_fullStr | Formation mechanisms of silver nanoparticles in soda-lime silicate glasses von Anne Simo Mbobnda |
| title_full_unstemmed | Formation mechanisms of silver nanoparticles in soda-lime silicate glasses von Anne Simo Mbobnda |
| title_short | Formation mechanisms of silver nanoparticles in soda-lime silicate glasses |
| title_sort | formation mechanisms of silver nanoparticles in soda lime silicate glasses |
| topic | Silber (DE-588)4133759-1 gnd Nanodispersion (DE-588)1088446744 gnd Nanopartikel (DE-588)4333369-2 gnd Kalknatronglas (DE-588)4754298-6 gnd |
| topic_facet | Silber Nanodispersion Nanopartikel Kalknatronglas Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=026925752&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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