CHEM01200604009 Sreejith Kaniyankandy - Homi Bhabha ...

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DECLARATION I, hereby declare that the investigation presented in the thesis has been carried out byme. The work is original and has not been submitted earlier as a whole or in part for a degree / diploma at this or any other Institution / University. (<strong>Sreejith</strong> <strong>Kaniyankandy</strong>) iv
Page 1: Charge Transfer Dynamics in Quantum
Page 9: DEDICATED TO MY FAMILY v
Page 13 and 14: CONTENTS Title Synopsis List of Fig
Page 15 and 16: 2.4.1. Introduction 51-53 2.4.2. In
Page 17 and 18: 4.3.1. Steady State Absorption Stud
Page 19 and 20: SYNOPSIS Energy based on nonrenewab
Page 21 and 22: CHAPTER 1: GENERAL INTRODUCTION Thi
Page 23 and 24: atio varied with size of samples. T
Page 25 and 26: elation behavior. These studies hav
Page 27 and 28: LIST OF FIGURES Figure Number Figur
Page 29 and 30: 2.12 Schematic diagram of autocorre
Page 31 and 32: 5.5 Time resolved emission decay tr
Page 33 and 34: LIST OF TABLES Table Number Table C
Page 35: LIST OF SCHEMES Scheme Number Schem
Page 38 and 39: NCs NPs NHE nm PD: Py QDs Qz SAED S
Page 41 and 42: 2 Chapter 1 Introduction 1.1. Nanot
Page 43 and 44: 4 size of the crystal is much large
Page 45 and 46: 6 It is clear from the figure that
Page 47 and 48: 8 ( x) u ( x) e k k ikx cos( kc)
Page 49 and 50: 10 In the previous sections the dis
Page 51 and 52: 12 correction factor in small nanoc
Page 53 and 54: 14 asymmetry. At k 0 spin orbit co
Page 55 and 56: 16 3 8 k (1.21) V It can be seen t
Page 57 and 58:
18 much larger than phonon energies
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20 that such a process is involved
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22 electricity. This forms the basi
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24 1.5. “Improving on” QDs As m
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26 1.5.2. Semiconductor-Dye Nanostr
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28 known examples are oxidation of
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30 R P G λ ΔG * 2H RP ΔG Reactio
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32 a 1 and a 2 are radii of donor,
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34 In the above expression reactant
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36 distribution of injection rates.
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38 In the above equation Pr () is t
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40 Figure 1. 16. Nucleation and gro
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42 Additionally we also look for ho
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44 1.14 P. Harrison, Quantum Wells,
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46 1.46 H. Gerischer, Z. Phys. Chem
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48 Chapter 2 Experimental 2.1. Intr
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50 2.3. Fluorescence Spectroscopy F
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52 of crystal planes appear at diff
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54 different angles and intensities
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56 2.6. Transmission Electron Micro
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58 Electron Gun Condenser Lenses Sa
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60 The kinetic energy variation ari
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62 out in time domain. For example
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64 Light Source Excitation Monochro
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66 employed to retrieve lifetime va
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68 ΔL Reference Pulse Δ t=2ΔL/c
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70 photodiodes for each pulse. Mech
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72 2. 8. 2. 2. Amplifier As mention
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74 multimodal and circular. The sec
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76 Figure 2.9. Optical layout of 2-
Page 119 and 120:
78 Here E is the electric field of
Page 121 and 122:
80 diagnostic. Additionally average
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82 2.18. J. Manz, L. Wöste, Femtos
Page 127 and 128:
84 CHAPTER 3 Charge Carrier Dynamic
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86 density of states. However, if o
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88 3.3. Results & Discussion 3.3.1.
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90 Absorbance (a.u) 1,0 d 2 1 c b a
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92 The spectrum has been shown in t
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94 injection dynamics where the con
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96 dye gave a pulse width limited i
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98 alizarin has extended -electron
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100 n=5 n=4 n=3 n=2 n=1 n=0 trappin
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102 energy change is the only facto
Page 147 and 148:
104 2. Nazeeruddin, M. K.; Kay, A.;
Page 149:
106 32. Duncan, W. R; Prezhdo, O. V
Page 153 and 154:
108 CHAPTER 4 Effect of Size Quanti
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110 impossible in bulk systems. For
Page 157 and 158:
112 4.3. Results & Discussion: 4.3.
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114 nm which exactly matched with t
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116 of 3.2ps (~90%) which can be at
Page 163 and 164:
118 Figure 3: Panel A: Normalized k
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120 dynamics of hot electron. The p
Page 167 and 168:
122 constants of τ 1 = 7ps (53%),
Page 169 and 170:
124 4.4 Conclusion In conclusion we
Page 171:
126 4.15. Ekimov, A. I.; Hache, F.;
Page 175 and 176:
128 CHAPTER 5 Charge Carrier Dynami
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130 CdSe/ZnTe. Feldman and coworker
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132 by reducing Se with NaBH 4 with
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134 broadening in the present case
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136 vis absorption spectra of the t
Page 185 and 186:
138 5.3.3. Time resolved emission s
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140 Sample t 1 (ns) t 2 (ns) t 3 (n
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142 can be attributed to absorption
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144 5.3.5. Transient absorption stu
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146 However, due to staggered band
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148 Scheme 5.1: Schematic represent
Page 197 and 198:
150 are the reason for that contrib
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152 5.10. L. P. Balet, S. A. Ivanov
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154 Chapter 6
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156 Recently several methods like c
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158 6.2.2. Reduction of Graphene Ox
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160 isolated CdTe QD over graphene
Page 210 and 211:
162 Figure 6.3: Time-resolved emiss
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164 carriers on laser excitation. I
Page 214 and 215:
166 absorption in the present studi
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168 increases from 33.3% to 61.8% i
Page 218 and 219:
170 as compared to that of GO. It i
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172 components could come from trap
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174 A (m O.D.) 0 -10 -20 -30 a b Cd
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176 The cooling dynamics does not s
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178 The study clearly shows that th
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180 From emission studies both stea
Page 230 and 231:
182 6.18. C. X. Guo, H. Bin Yang, Z
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184 CHAPTER 7 Summary and Outlook 7
Page 235 and 236:
186 bleach growth times from 500fs
Page 237 and 238:
188 Study of interfacial electron t
Page 239:
190 Chapter 8 List of Publications
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