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  Department of Energy Science and Engineering Theses Master

Effect of Strain in Cu-Ag Catalysts on Ethanol Production by Electrochemical CO₂ Reduction

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dc.contributor.advisor 최종민 -
dc.contributor.author Seo-June Park -
dc.date.accessioned 2026-01-23T10:56:04Z -
dc.date.available 2026-01-23T10:56:04Z -
dc.date.issued 2026 -
dc.identifier.uri https://scholar.dgist.ac.kr/handle/20.500.11750/59696 -
dc.identifier.uri http://dgist.dcollection.net/common/orgView/200000950321 -
dc.description CO₂RR, Galvanic replacement reaction CuAg catalysts, Strain -
dc.description.tableofcontents Ⅰ. Introduction 1
1.1 Electrochemical CO2 Reduction Reaction 1
1.2 Cell Configuration for CO2RR 3
1.3 Types of Electrolytes for CO2RR 5
1.4 Catalysts for Electrochemical CO2RR 7
1.5 Ethanol Production in CO2RR 9
1.6 Strategies for Ethanol Formation in CO2RR 11
1.7 Galvanic Replacement Reaction 13
1.8 Strain in Bimetal catalysts for CO2RR 15
1.9 Research Motivation 17

Ⅱ. Experimental 19
2.1 Preparation of Materials 19
2.2 Preparation of Electrode 19
2.3 Materials Characterization 20
2.4 Measurement of Electrochemical CO2RR 21

Ⅲ. Results and Discussion 23
3.1 Verification of Cu-Ag Catalyst Structure and Surface State 23
3.2 Variation of CO2RR Selectivity with Ag composition 29
3.3 Morphological and Structural Changes After Reaction 35
3.4 Surface Structure Changes After Reaction 37
3.5 Strain analysis as a function of Ag composition 44
3.6 Strain-induced tuning of the d-band center 56
3.7 Operando analysis of coordination number and interatomic distance upon Ag
incorporation 60
3.8 Reaction Mechanistic Analysis 65


Ⅳ. Conclusion 70

V. Reference 74

요약문 79		 -
dc.format.extent 80 -
dc.language eng -
dc.publisher DGIST -
dc.title Effect of Strain in Cu-Ag Catalysts on Ethanol Production by Electrochemical CO₂ Reduction -
dc.title.alternative CO2RR에서 Cu–Ag 이종금속 촉매의 격자 스트레인과 에탄올 선택도의 상관관계에 대한 연구 -
dc.type Thesis -
dc.identifier.doi 10.22677/THESIS.200000950321 -
dc.description.degree Master -
dc.contributor.department Department of Energy Science and Engineering -
dc.contributor.coadvisor Dae-Hyun Nam -
dc.date.awarded 2026-02-01 -
dc.publisher.location Daegu -
dc.description.database dCollection -
dc.citation XT.EM 박54 202602 -
dc.date.accepted 2026-01-19 -
dc.contributor.alternativeDepartment 에너지공학과 -
dc.subject.keyword CO₂RR, Galvanic replacement reaction CuAg catalysts, Strain -
dc.contributor.affiliatedAuthor Seo-June Park -
dc.contributor.affiliatedAuthor Jongmin Choi -
dc.contributor.affiliatedAuthor Dae-Hyun Nam -
dc.contributor.alternativeName 박서준 -
dc.contributor.alternativeName Jongmin Choi -
dc.contributor.alternativeName 남대현 -
dc.rights.embargoReleaseDate 2031-02-28 -
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