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1
Carrier and exciton dynamics in halide perovskites
Published 2021“…In transient absorption (TA) spectroscopy, free carriers and excitons both contribute to the transient signals, while time-resolved THz spectroscopy (TRTS) is sensitive to both carriers and phonon modes in lead halide perovskites. Hence, these ultrafast techniques are useful tools to characterize the charge transport properties of lead halide perovskites. …”
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Thesis-Doctor of Philosophy -
2
Engineering carrier dynamics in lead halide perovskites
Published 2018“…Exceptionally low carrier recombination rates in lead halide perovskites is crucial for its high performance. …”
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Thesis-Doctor of Philosophy -
3
Organic-inorganic lead-halide perovskite for stable optoelectronics
Published 2020“…Despite their emergence as promising materials for low-cost and high performance optoelectronics, hybrid organic-inorganic lead-halide perovskites’ instability towards moisture and heat stress remains a serious obstacle that needs to be tackled for commercialization. …”
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Thesis-Doctor of Philosophy -
4
Ultrafast carrier and phonon dynamics in lead halide perovskites
Published 2020“…Ultrafast carrier and phonon dynamics center at the heart of the modern physics and play a significant role in the optoelectronic properties of halide perovskites, which are emerging as versatile semiconductor materials for robust and novel optoelectronic devices, particularly in photovoltaics and light emitting diodes. …”
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Thesis-Doctor of Philosophy -
5
Photo-physics of light amplification in lead halide perovskites
Published 2020“…Low temperature solution-processed Organic-Inorganic Hybrid lead-halide Perovskites (OIHPs) nanocrystals (NCs) are new and emerging class of semiconducting materials that possesses high quantum yields (PLQY), large linear and non-linear absorption cross-sections, tunable emission wavelength via facile halide substitutions/exchanges. …”
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Thesis-Doctor of Philosophy -
6
Spectroscopy study of hot carrier cooling dynamics in halide perovskites
Published 2022“…An evaluation of the viability of halide perovskites for HCSCs operating under continuous illumination is also presented. …”
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Thesis-Doctor of Philosophy -
7
Single-crystalline hybrid halide perovskites : heterostructure growth and electroluminescence characteristics
Published 2020“…Mobile ions play a crucial role in hybrid halide perovskites, especially as single crystals, from heterostructure growth to optoelectronic properties. …”
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Thesis-Doctor of Philosophy -
8
Low-dimensional metal halide perovskite phosphors for solid-state lighting
Published 2020“…These exhibited metal-centered s-p transitions along with structural deformations of the metal halide octahedra at low temperatures, although they are not emissive at room temperature. …”
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Thesis-Doctor of Philosophy -
9
Investigating the optical and electronic properties of halide perovskite inspired antimony compounds
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Thesis-Doctor of Philosophy -
10
Probing exciton properties and dynamics in lead halide perovskite semiconductors by optical spectroscopy
Published 2020“…Lead halide perovskite semiconductors have emerged as potential building blocks for photovoltaic and optoelectronic applications. …”
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Thesis-Doctor of Philosophy -
11
Low dimensional organic metal-halide hybrids : molecular design & optoelectronic properties
Published 2020“…Low-dimensional (LD) hybrid metal-halide (perovskite) materials can be induced through incorporation of more hydrophobic, moderately-sized organic cations. …”
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Thesis-Doctor of Philosophy -
12
Modulation of non-radiative recombination in organic-inorganic halide perovskites for light emission
Published 2020“…Metal halide perovskites (MHPs) have garnered extensive attention from the scientific community since its inception as a light harvester in 2009. …”
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Thesis-Doctor of Philosophy -
13
Ferroelectricity and carrier dynamics in multidimensional organic-inorganic hybrid lead halide perovskites
Published 2021“…The organic-inorganic hybrid lead halide perovskite fever stems from a rapid rise in power conversion efficiency of perovskite solar cells (PSC) to more than 25 % within 10 years, which makes them comparable to commercial silicon solar cells. …”
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Thesis-Doctor of Philosophy -
14
Coherent energy and charge carrier dynamics In quasi-2D lead halide perovskites
Published 2023“…Halide Perovskites are versatile materials for photovoltaic and light emission applications thanks to their outstanding optical properties. …”
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Thesis-Doctor of Philosophy -
15
Modulating carrier confinement in inorganic metal halide perovskites for enhanced efficiencies in light-emitting diodes
Published 2020“…Lead halide perovskites have revolutionized the field of optoelectronic research in recent years owing to the excellent semiconductor properties offered by this class of materials. …”
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Thesis-Doctor of Philosophy -
16
Fabrication and characterization of pulsed-laser-deposition-grown all-inorganic halide perovskite thin films
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Thesis-Doctor of Philosophy -
17
Temperature dependent spectroscopic studies of all-inorganic lead halide perovskites : towards efficient and stable optoelectronic applications
Published 2021“…However, the most widely studied organic-inorganic hybrid lead halide perovskites suffer from instability during shelf storage as well as under operation conditions. …”
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Thesis-Doctor of Philosophy -
18
Continuous-wave lasing from perovskites embedded microcavities
Published 2021“…The emerging lead halide perovskite materials with a basic form of ABX3 have aroused enormous interest due to their underlying rich physics and promising applications in optics, electronics, and optoelectronics. …”
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Thesis-Doctor of Philosophy -
19
Phase evolution and local structure in [Cs, MA][Pb, Sr][Cl, Br]3 perovskites
Published 2022“…Organic-inorganic hybrid lead halide perovskite materials have a wide flexibility for tuning crystal chemistry and adjusting properties. …”
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Thesis-Doctor of Philosophy -
20
Photocatalytic and photoelectrochemical systems for oxidation of aromatic compounds in an aqueous environment
Published 2020“…In addition, a hydrophobic metal halide perovskite photocatalytic system was explored for C-C bond cleavage and dehydrogenation reactions, while tetraamidomacrocyclic ligand cobalt complexes (Co-TAML) were investigated for hydrogen evolution reaction. …”
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Thesis-Doctor of Philosophy