Analysis of the near-band-edge optical recombination processes in ZnO thin films and nanowires:
Saved in:
| Main Author: | |
|---|---|
| Format: | Thesis Book |
| Language: | English |
| Published: |
Berlin
mbv
2008
|
| Subjects: | |
| Online Access: | Inhaltsverzeichnis |
| Physical Description: | VIII, 118 S. Ill., graph. Darst. |
| ISBN: | 9783866644243 |
Staff View
MARC
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| 100 | 1 | |a Bekeny, Chegnui |d 1979- |e Verfasser |0 (DE-588)136103774 |4 aut | |
| 245 | 1 | 0 | |a Analysis of the near-band-edge optical recombination processes in ZnO thin films and nanowires |c von Chegnui Bekeny |
| 264 | 1 | |a Berlin |b mbv |c 2008 | |
| 300 | |a VIII, 118 S. |b Ill., graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
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Record in the Search Index
| _version_ | 1804145318769459200 |
|---|---|
| adam_text | IMAGE 1
CONTENTS
1 INTRODUCTION 1
2 FUNDAMENTAL PROPERTIES OF ZNO AND OPTICAL EXCITATIONS IN DIRECT-GAP
SEMICONDUC- TORS 5
2.1 CRYSTAL AND BAND STRUCTURE OF ZNO 5
2.1.1 CRYSTAL STRUCTURE 5
2.1.2 BAND STRUCTURE 6
2.2 OPTICAL RECOMBINATION PROCESSES IN DIRECT GAP SEMICONDUCTORS 8
2.2.1 FREE EXCITONS AND EXCITON POLARITONS 8
2.2.2 LONGITUDINAL OPTICAL PHONON REPLICAS 11
2.2.3 BOUND EXCITONS 13
2.2.4 DONOR-ACCEPTOR-PAIR (DAP) AND FREE-TO-BOUND (FB) TRANSITIONS 13
2.3 TEMPERATUREDEPENDENCEOFTHE BAND GAP 14
2.4 EXCITON RECOMBINATION DYNAMICS 15
3 STATE OF TTAE RESEARCH ON ZNO: BULK CRYSTALS AND THIN ULMS, P-DOPING,
ZNO NANOWIRES AND THEIR OPTICAL PROPERTIES 19
3.1 ZNO BULK CRYSTALS 19
3.2 ZNO THIN FILMS 20
3.3 P-DOPING OF ZNO 21
3.4 ZNO NANOWIRES 22
3.4.1 OPTICAL PROPERTIES OF HIGH-TEMPERATURE GROWN ZNO NANOWIRES 24
3.4.2 OPTICAL PROPERTIES OF LOW-TEMPERATURE GROWN ZNO NANOWIRES 26
4 EXPERIMENTAL TECHNIQUES AND SAMPLES INVESTIGATED 33
4.1 EXPERIMENTAL TECHNIQUES 33
4.1.1 THE STANDARD PHOTOLUMINESCENCE SETUP 33
V
GESCANNT DURCH
BIBLIOGRAFISCHE INFORMATIONEN HTTP://D-NB.INFO/990055043
DIGITALISIERT DURCH
IMAGE 2
. CONTENTS
4.1.2 THE MICRO-PHOTOLUMINESCENCE O-PL) SETUP 34
4.1.3 DETERMINATION OF THE DONOR DENSITY IN ELECTROCHEMICALLY DEPOSITED
ZNO NANOWIRES
4.2 SAMPLES INVESTIGATED 38
4.2.1 PULSED LASER DEPOSITED (PLD) ZNO THIN FILMS 38
4.2.2 VAPOUR PHASE TRANSPORT (VPT) GROWTH OF ZNO NANOWIRES 38
4.2.3 ELECTROCHEMICALLY DEPOSITED (ECD) ZNO NANOWIRES 39
4.2.4 AQUEOUS CHEMICALLY GROWN (ACG) ZNO NANOWIRES 41
5 NEAR-BAND-CDGE (NBE) OPTICAL RECOMBINATION PROCESSES IN ZNO THIN FILMS
AND HIGH- TEMPERATURE GROWN ZNO NANOWIRES 45
5.1 EXCITONIC RECOMBINATION PROCESSES IN ZNO THIN FILMS GROWN BY PULSED
LASER DE- POSITION (PLD) 45
5.1.1 STANDARD PHOTOLUMINESCENCE CHARACTERISATION 45
5.1.2 LONGITUDINAL OPTICAL (LO) PHONON REPLICAS 50
5.1.3 EXCITONIC RECOMBINATION DYNAMICS IN PLD ZNO THIN FILMS 52
5.2 EXCITONIC RECOMBINATION PROCESSES IN HIGH-TEMPERATURE GROWN ZNO
NANOWIRES . . 55
5.2.1 LOW-TEMPERATURE PHOTOLUMINESCENCE CHARACTERISATION 55
5.3 SUMMARY 57
6 MICROSCOPIC ORIGIN OF THE NEAR-BAND-EDGE (NBE) PHOTOLUMINESCENCE (PL)
EMISSION IN LOW-TEMPERATURE GROWN ZNO NANOWIRES 59
6.1 NBE PL EMISSION IN ELECTROCHEMICALLY DEPOSITED (ECD) ZNO NANOWIRES
60
6.1.1 LOW-TEMPERATURE PHOTOLUMINESCENCE CHARACTERISATION 60
6.1.2 INFLUENCEOF THE ELECTROLYTEON THE NBE PL EMISSION 68
6.1.3 BURSTEIN-MOSS SHIFT 74
6.1.4 INFLUENCEOF ANNEALINGON THE NBE PL EMISSION 77
6.1.5 SUMMARY 83
6.2 NBE PL EMISSION IN AQUEOUS CHEMICALLY GROWN (ACG) ZNO NANOWIRES 85
6.2.1 INFLUENCE OF SEED CRYSTALS ON THE OPTICAL PROPERTIES OF AS-GROWN
ACG ZNO NANOWIRES 85
6.2.2 INFLUENCE OF THE CONCENTRATION OF THE AQUEOUS SOLUTKM AND THE
GROWTH SUBSTRATE ON THE OPTICAL PROPERTIES OF ACG ZNO NANOWIRES 88 6.2.3
TIME RESOLVED PHOTOLUMINESCENCE INVESTIGATION 93
6.2.4 HIGH EXCITATION FLUENCE MEASUREMENTS ON ACG NANOWIRES 97 6.2.5
SUMMARY . 99
6.3 COMPARISONOF THE ECD AND ACG ZNO NANOWIRES 100
IMAGE 3
CONTENTS VUE
7 SUMMARY AND OUTLOOK 101
APPENDIX 104
BIBLIOGRAPHY 104
|
| any_adam_object | 1 |
| author | Bekeny, Chegnui 1979- |
| author_GND | (DE-588)136103774 |
| author_facet | Bekeny, Chegnui 1979- |
| author_role | aut |
| author_sort | Bekeny, Chegnui 1979- |
| author_variant | c b cb |
| building | Verbundindex |
| bvnumber | BV026707233 |
| ctrlnum | (OCoLC)263417194 (DE-599)DNB990055043 |
| dewey-full | 537.6226 |
| dewey-hundreds | 500 - Natural sciences and mathematics |
| dewey-ones | 537 - Electricity and electronics |
| dewey-raw | 537.6226 |
| dewey-search | 537.6226 |
| dewey-sort | 3537.6226 |
| dewey-tens | 530 - Physics |
| discipline | Physik |
| format | Thesis Book |
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| genre_facet | Hochschulschrift |
| id | DE-604.BV026707233 |
| illustrated | Illustrated |
| indexdate | 2024-07-09T23:17:33Z |
| institution | BVB |
| isbn | 9783866644243 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-022249574 |
| oclc_num | 263417194 |
| open_access_boolean | |
| owner | DE-188 |
| owner_facet | DE-188 |
| physical | VIII, 118 S. Ill., graph. Darst. |
| publishDate | 2008 |
| publishDateSearch | 2008 |
| publishDateSort | 2008 |
| publisher | mbv |
| record_format | marc |
| spelling | Bekeny, Chegnui 1979- Verfasser (DE-588)136103774 aut Analysis of the near-band-edge optical recombination processes in ZnO thin films and nanowires von Chegnui Bekeny Berlin mbv 2008 VIII, 118 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Bremen, Univ., Diss., 2008 Photolumineszenz (DE-588)4174517-6 gnd rswk-swf Dünne Schicht (DE-588)4136925-7 gnd rswk-swf Rekombination (DE-588)4049338-6 gnd rswk-swf Zinkoxid (DE-588)4190864-8 gnd rswk-swf Exziton (DE-588)4016091-9 gnd rswk-swf Nanodraht (DE-588)4707308-1 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Zinkoxid (DE-588)4190864-8 s Dünne Schicht (DE-588)4136925-7 s Nanodraht (DE-588)4707308-1 s Exziton (DE-588)4016091-9 s Rekombination (DE-588)4049338-6 s Photolumineszenz (DE-588)4174517-6 s DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=022249574&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Bekeny, Chegnui 1979- Analysis of the near-band-edge optical recombination processes in ZnO thin films and nanowires Photolumineszenz (DE-588)4174517-6 gnd Dünne Schicht (DE-588)4136925-7 gnd Rekombination (DE-588)4049338-6 gnd Zinkoxid (DE-588)4190864-8 gnd Exziton (DE-588)4016091-9 gnd Nanodraht (DE-588)4707308-1 gnd |
| subject_GND | (DE-588)4174517-6 (DE-588)4136925-7 (DE-588)4049338-6 (DE-588)4190864-8 (DE-588)4016091-9 (DE-588)4707308-1 (DE-588)4113937-9 |
| title | Analysis of the near-band-edge optical recombination processes in ZnO thin films and nanowires |
| title_auth | Analysis of the near-band-edge optical recombination processes in ZnO thin films and nanowires |
| title_exact_search | Analysis of the near-band-edge optical recombination processes in ZnO thin films and nanowires |
| title_full | Analysis of the near-band-edge optical recombination processes in ZnO thin films and nanowires von Chegnui Bekeny |
| title_fullStr | Analysis of the near-band-edge optical recombination processes in ZnO thin films and nanowires von Chegnui Bekeny |
| title_full_unstemmed | Analysis of the near-band-edge optical recombination processes in ZnO thin films and nanowires von Chegnui Bekeny |
| title_short | Analysis of the near-band-edge optical recombination processes in ZnO thin films and nanowires |
| title_sort | analysis of the near band edge optical recombination processes in zno thin films and nanowires |
| topic | Photolumineszenz (DE-588)4174517-6 gnd Dünne Schicht (DE-588)4136925-7 gnd Rekombination (DE-588)4049338-6 gnd Zinkoxid (DE-588)4190864-8 gnd Exziton (DE-588)4016091-9 gnd Nanodraht (DE-588)4707308-1 gnd |
| topic_facet | Photolumineszenz Dünne Schicht Rekombination Zinkoxid Exziton Nanodraht Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=022249574&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| work_keys_str_mv | AT bekenychegnui analysisofthenearbandedgeopticalrecombinationprocessesinznothinfilmsandnanowires |