Title

Interfacial Engineering of TiO₂-Based Eco-Friendly Photoanodes for Photoelectrochemical Applications

Alternative Title

광전기화학 응용을 위한 TiO₂기반 친환경 광양극의 계면공학적 설계

DGIST Authors

Soojin Yoon ; Jongmin Choi ; Seunghyeon Kim

Advisor

최종민

Co-Advisor(s)

Seunghyeon Kim

Issued Date

2026

Awarded Date

2026-08-01

Type

Thesis

Description

Photoelectrochemical Water Splitting, Visible-light Activity, Photoanode, Eco-friendly Chalcogenide

Table Of Contents

List of Contents

Abstract i
List of contents ii
List of tables iii
List of figures vi

Ⅰ. Introduction 1

II. Experimental
2.1 Synthesis of TiO₂ Nanorods 4
2.2 Synthesis of AgBiS₂ Nanocrystals 4
2.3 Fabrication of PVP-Assisted AgBiS₂/TiO₂ Heterojunction Photoanodes 5

III. Results and discussion
3.1 Structural and Morphological Characterization 6
3.2 Optical Properties and Light Absorption Behavior 10
3.2.1 UV–Vis Absorption and Band Structure Analysis 10
3.2.2 Light Scattering Effect of AgBiS₂ Particles 12
3.3 Interfacial Chemical States and Defect Passivation 13
3.4 Photoelectrochemical Performance 17
3.5 Electrochemical Analysis 22

IV. Conclusion 24
V. Reference 26
VI. 요약문 29

URI

https://scholar.dgist.ac.kr/handle/20.500.11750/60798
http://dgist.dcollection.net/common/orgView/200001016881

DOI

10.22677/THESIS.200001016881

Degree

Master

Department

Department of Energy Science and Engineering

Publisher

DGIST

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