Title

Highly Water-Soluble MoS2 and Encapsulated C60 with Ionic-Liquid Cyclodextrin Derivative Towards Improvement of Photocatalytic Hydrogen Production

DGIST Authors

Fitriandini Yasinta Wahyu ; Chiyoung Park ; Dae-Hyun Nam

Advisor

박치영

Co-Advisor(s)

Dae-Hyun Nam

Issued Date

2022

Awarded Date

2022/02

Citation

Fitriandini Yasinta Wahyu. (2022). Highly Water-Soluble MoS2 and Encapsulated C60 with Ionic-Liquid Cyclodextrin Derivative Towards Improvement of Photocatalytic Hydrogen Production. doi: 10.22677/thesis.200000595995

Type

Thesis

Subject

Hydrogen Production, Encapsulation, Ionic Liquid Cyclodextrin (ILCD), Exfoliation

Description

Hydrogen Production, Encapsulation, Ionic Liquid Cyclodextrin (ILCD), Exfoliation

Table Of Contents

Ⅰ. Introduction 1
1.1 Host-Guest 1
1.2 Ionic Liquid 3
1.3 Job’ s Plot 5
1.3.1 The Determination of the Stoichiometry of Cyclodextrin Inclusion Complexes by Spectral Methods: Possibilities and Limitations 9
1.3.2 Recognizing the Limited Applicability of Job Plots in Studying Host−Guest Interactions in Supramolecular Chemistry 10
1.4 Fullerene 11
1.4.1 Basic structure of fullerene 11
1.4.2 Fullerene derivatives 12
1.4.3 Exclusive properties of fullerene 12
1.4.4 Photocatalytic enhancement mechanism of fullerene C60 and its derivatives 12
1.4.5 Factors affecting material effectiveness 13
1.4.6 Synthesis strategy of fullerene modified photocatalyst 14
1.4.7 Application of fullerene modified photocatalyst 14
1.5 Hydrogen Production 15
1.5.1 Hydrogen Production Methods 16
Ⅱ. Methods 18
2.1 Materials 18
2.2 Synthesis of Ionic Liquid (IL) 18
2.3 Synthesis of Ionic Liquid-ꙋCyclodextrin (ILꙋCD) 18
2.4 Inclusion of Ionic Liquid-ꙋCyclodextrin (ILꙋCD) and Fullerene (C60) 18
2.5 Preparation of the ILꙋCD/C60/MoS2 18
2.6 Photocatalytic Hydrogen Production 19
2.7 Characterization 19
Ⅲ. Results 20
3.1 Ionic Liquid-ꙋCyclodextrin 20
3.2 Encapsulation of C60- IL-ꙋCD 21
3.2.1 Job’s Plot to Prove Ideal Molar Ratio of C60:ILCD 22
3.2.2 Benesi Hildebrand Plot to Represent Encapsulation Molar Ratio 23
3.3 Characterization of MoS2 Exfoliation with C60- IL-ꙋCD 23
3.3.1 Fourier transform infrared spectroscopy (FT-IR) data of composites 24
3.3.2 X-Ray diffraction data (XRD) of composites 24
3.3.3 Raman spectroscopy data of composites 25
3.3.4 Thermogravimetric analysis (TGA) data of composites 26
3.4 Hydrogen Production 26
3.4.1 Photoluminescence Spectra and Quenching ratios of hybrids 27
3.4.2 Scanning electron microscope (SEM) images of composites 28
Ⅳ. Conclusion 29
V. References 30
VI. 요약문 32

URI

http://dgist.dcollection.net/common/orgView/200000595995
http://hdl.handle.net/20.500.11750/16286

DOI

10.22677/thesis.200000595995

Degree

Master

Department

Energy Science & Engineering

Publisher

DGIST

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