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  Department of Energy Science and Engineering Theses Master

Influence of Surface Ligands on the Performance of HgTe Quantum Dots-Based Photodetectors

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dc.contributor.advisor 이종수 -
dc.contributor.author Jihoo So -
dc.date.accessioned 2026-01-23T10:55:41Z -
dc.date.available 2026-01-23T10:55:41Z -
dc.date.issued 2026 -
dc.identifier.uri https://scholar.dgist.ac.kr/handle/20.500.11750/59684 -
dc.identifier.uri http://dgist.dcollection.net/common/orgView/200000942231 -
dc.description Quantum-Dots, Mercury Telluride, Photodetectors, Short-Wave-Infrared, Ligands, Photodiode -
dc.description.tableofcontents Ⅰ. Introduction 1

Ⅱ. Background 4
2.1 Quantum Dots (QDs) 4
2.1.1 Quantum Confinement Effect 4
2.1.2 Structure of QDs 5
2.1.3 Short-Wavelength-Infrared (SWIR) QDs 8
2.1.4 Ligand Engineering 9
2.2 Carrier Transport in QD Films 11
2.2.1 Hopping 11
2.2.2 Trap Assisted Transport 13
2.2.3 Band-like Transport 14
2.3 Photodetectors 15
2.3.1 Photoconductor 16
2.3.2 Phototransistor 17
2.3.3 Photodiode 18

Ⅲ. Experiment 24
3.1 Materials 24
3.2 HgTe QDs 24
3.3 Ligands 26
3.4 Zinc Oxide Sol-Gel Solution 27
3.5 Photodiode Fabrication 27

Ⅳ. Results 29
4.1 Photodide Performance 29
4.2 Film Characteristic 34
4.3 Device Characteristic 37
4.4 Stability 41

Ⅴ. Conclusion 43

Reference 44		 -
dc.format.extent 47 -
dc.language eng -
dc.publisher DGIST -
dc.title Influence of Surface Ligands on the Performance of HgTe Quantum Dots-Based Photodetectors -
dc.title.alternative 표면 리간드에 따른 수은 텔루륨 양자점 기반 광검출기 성능 변화 -
dc.type Thesis -
dc.identifier.doi 10.22677/THESIS.200000942231 -
dc.description.degree Master -
dc.contributor.department Department of Energy Science and Engineering -
dc.contributor.coadvisor Hyun-Soo Ra -
dc.date.awarded 2026-02-01 -
dc.publisher.location Daegu -
dc.description.database dCollection -
dc.citation XT.EM 소78 202602 -
dc.date.accepted 2026-01-19 -
dc.contributor.alternativeDepartment 에너지공학과 -
dc.subject.keyword Quantum-Dots, Mercury Telluride, Photodetectors, Short-Wave-Infrared, Ligands, Photodiode -
dc.contributor.affiliatedAuthor Jihoo So -
dc.contributor.affiliatedAuthor Jong-Soo Lee -
dc.contributor.affiliatedAuthor Hyun-Soo Ra -
dc.contributor.alternativeName 소지후 -
dc.contributor.alternativeName Jong-Soo Lee -
dc.contributor.alternativeName 라현수 -
dc.rights.embargoReleaseDate 2030-02-28 -
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