표제지
목차
ABSTRACT 9
제1장 서론 11
제2장 이론 14
제1절 단일 입자 전기화학 14
제2절 전기촉매 증폭법 16
제3절 전기촉매 증폭법 신호 종류 18
1. 계단형 전류 신호 18
2. 깜빡임 신호 21
제3장 실험방법 24
제1절 시약 및 전극 재료 24
제2절 기기 장치 24
제3절 나노입자 제조 25
1. 팔라듐 나노입자 제조 25
2. 금 나노입자 제조 27
3. 은 나노입자 제조 29
제4절 초미세전극 제작 31
제4장 실험 결과 및 고찰 33
제5장 결론 50
참고문헌 51
국문초록 58
〈Figure 1〉 Schematic illustration of the direct ammonia borane oxidation by using single-entity electrochemistry. 13
〈Figure 2〉 Comparison between transitional electrochemical analysis method and single-entity electrochemistry. 15
〈Figure 3〉 Schematic illustration of electrocatalytic amplification method. 17
〈Figure 4〉 (a) Schematic illustration of hydrazine oxidation by a single Pt NP collided on Au UME. (b) CVs of hydrazine oxidation at Pt UME... 19
〈Figure 5〉 (a) Schematic illustration of hydrazine oxidation by a single Ag NP collided on Au UME. (b) CVs of hydrazine oxidation at Ag UME... 20
〈Figure 6〉 (a) Schematic illustration of water oxidation by a single IrOₓ NP collided on Pt UME. (b) CVs of water oxidation at Pt UME and IrOₓ... 22
〈Figure 7〉 (a) Schematic illustration of self-oxidation by a single Ag NP collided on Au UME. (b) Stripping Voltammogram of Ag NP modified... 23
〈Figure 8〉 (a) TEM image of Pd NP, (b) Pd NP size distribution based on TEM analysis. 26
〈Figure 9〉 (a) TEM image of Au NP, (b) Au NP size distribution based on TEM analysis. 28
〈Figure 10〉 (a) TEM image of Ag NP, (b) Ag NP size distribution based on TEM analysis. 30
〈Figure 11〉 Schematic illustration of fabrication process of UME. 32
〈Figure 12〉 Cyclicvoltammograms of direct AB oxidation in the various UMEs {Pt (5 μm of radius, black, solid), Au (5 μm of radius, red, long dash),... 34
〈Figure 13〉 Chronoamperometric curves observed by SEE of (a) Pd, (b) Au, and (c) Ag NPs at the -0.6 V applied Ni UME in 0.1 M NaOH... 36
〈Figure 14〉 Chronoamperometric curves observed by SEE of (a) Pd, (b) Au, and (c) Ag NPs at the -0.6 V applied Pt UME in 0.1 M NaOH... 37
〈Figure 15〉 Chronoamperometric curves observed by SEE of Pd NPs at the diverse potentials from (a) -1.0 V to (f) -0.5 V applied Pt UME in 0.1... 39
〈Figure 16〉 The current responses magnitude of the Pd NPs as a function of the applied potential at the Pt UME. The error bar is the standard... 41
〈Figure 17〉 Chronoamperometric curves observed by SEE of Pd NPs at the -0.6 V applied Pt UME in 0.1 M NaOH solution contained various... 44
〈Figure 18〉 (a) Cyclicvoltammograms analysis of 0.1 M NaOH solution contained various AB concentration from 0 mM to 20 mM applied on Pd... 45
〈Figure 19〉 Chronoamperometric curves obtained by SEE of various concentrations from (a) 0 to (e) 33.8 pM of Pd NPs at the -0.6 V applied... 48
〈Figure 20〉 The collisional current responses frequency as a function of the Pd NP concentration. The error bar is the standard deviation. The... 49