Search Results - "Conibeer, Gavin J."
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1
Single-Mode Near-Infrared Lasing in a GaAsSb-Based Nanowire Superlattice at Room Temperature
Published in Nano letters (11-04-2018)“…Semiconductor nanowire lasers can produce guided coherent light emission with miniaturized geometry, bringing about new possibilities for a variety of…”
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2
Significant Improvement in the Performance of PbSe Quantum Dot Solar Cell by Introducing a CsPbBr3 Perovskite Colloidal Nanocrystal Back Layer
Published in Advanced energy materials (08-03-2017)“…A PbSe quantum dot solar cell with an efficiency of 7.22% and a fill factor of 62.4% is achieved by applying a CsPbBr3 perovskite quantum dot back layer. The…”
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Journal Article -
3
Morphological Evolution and Singlet Fission in Aqueous Suspensions of TIPS-Pentacene Nanoparticles
Published in Journal of physical chemistry. C (14-01-2016)“…We report the observation of singlet fission in aqueous suspensions of 6,13-bis(triisopropylsilylethynyl) pentacene (TIPS-Pn) nanoparticles (NPs) synthesized…”
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4
Effect of Halide Treatments on PbSe Quantum Dot Thin Films: Stability, Hot Carrier Lifetime, and Application to Photovoltaics
Published in Journal of physical chemistry. C (22-10-2015)“…Air stability and efficient multiple exciton generation (MEG) are crucial for the application of PbSe quantum dot (QD) thin film in next generation…”
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5
Extended hot carrier lifetimes observed in bulk In0.265±0.02Ga0.735N under high-density photoexcitation
Published in Applied physics letters (28-03-2016)“…We have investigated the ultrafast carrier dynamics in a 1 μm bulk In0.265Ga0.735N thin film grown using energetic neutral atom-beam lithography/epitaxy…”
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6
Interplay between the hot phonon effect and intervalley scattering on the cooling rate of hot carriers in GaAs and InP
Published in Progress in photovoltaics (01-01-2012)“…ABSTRACT The influence of hot phonon effect and intervalley scattering on the hot carrier cooling rate was investigated using femtosecond time‐resolved…”
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7
Limiting Efficiency of Erbium-Based Up-Conversion for Generalized Realistic c-Si Solar Cells
Published in IEEE journal of photovoltaics (01-05-2014)“…Up-conversion of sub-band-gap near-infrared light to absorbable wavelengths has been suggested as a means of greatly improving the efficiency of standard…”
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8
A New Passivation Route Leading to Over 8% Efficient PbSe Quantum‐Dot Solar Cells via Direct Ion Exchange with Perovskite Nanocrystals
Published in Advanced materials (Weinheim) (01-11-2017)“…Colloidal quantum dots (QDs) are promising candidate materials for photovoltaics (PV) owing to the tunable bandgap and low‐cost solution processability. Lead…”
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9
High Performance PbS Colloidal Quantum Dot Solar Cells by Employing Solution‐Processed CdS Thin Films from a Single‐Source Precursor as the Electron Transport Layer
Published in Advanced functional materials (08-12-2017)“…CdS thin films are a promising electron transport layer in PbS colloidal quantum dot (CQD) photovoltaic devices. Some traditional deposition techniques, such…”
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10
Long‐Lived Acoustic Phonon and Carrier Dynamics in III–V Adiabatic Cavities
Published in Advanced functional materials (01-09-2024)“…Evidence of strongly confined coherent acoustic phonons inside high quality factor phononic cavities that exhibit tailored phonon potentials is provided. Using…”
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11
Lessons Learnt from Spatially Resolved Electro‐ and Photoluminescence Imaging: Interfacial Delamination in CH3NH3PbI3 Planar Perovskite Solar Cells upon Illumination
Published in Advanced energy materials (10-05-2017)“…The influence of illumination on the long‐term performance of planar structured perovskite solar cells (PSCs) is investigated using fast and spatially resolved…”
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12
Achieving high-performance PbS quantum dot solar cells by improving hole extraction through Ag doping
Published in Nano energy (01-04-2018)“…PbS quantum dot solar cells are promising candidates for low-cost and highly efficient light harvesting devices owing to their solution processability and…”
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13
Passivating Quantum Dot Carrier Transport Layer with Metal Salts
Published in ACS applied materials & interfaces (23-06-2021)“…Quantum dots (QDs) have a wide range of applications in the field of optoelectronics. They have been playing multiple roles within the configuration of a…”
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14
Optoelectronic reciprocity in hot carrier solar cells with ideal energy selective contacts
Published in Progress in photovoltaics (01-04-2021)“…Hot carrier solar cells promise theoretical power conversion efficiencies far beyond the single junction limit. However, practical implementations of hot…”
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15
Energy selective contacts for hot carrier solar cells
Published in Solar energy materials and solar cells (01-09-2010)“…Double barrier resonant tunnelling structures consisting of silicon quantum dots (QDs) in silicon dioxide ( SiO 2 ) matrix have been studied for Energy…”
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Journal Article Conference Proceeding -
16
Ultrafast Dynamics of Photoexcited Carriers and Phonons in Tailored 1D Acoustic Phonon Potentials
Published in 2023 IEEE 50th Photovoltaic Specialists Conference (PVSC) (11-06-2023)“…Above bandgap photoexcitation of a semiconductor absorber results in kinetically energetic electrons and holes, collectively called hot carriers. Hot carriers…”
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Conference Proceeding -
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Controlling Photoexcited Carrier Relaxation Through Phonon Management in GaAs/AlAs Superlattices
Published in 2023 IEEE 50th Photovoltaic Specialists Conference (PVSC) (11-06-2023)“…Superlattice structures have been subject of investigation to understand the hampered photoexcited carrier (PC) cooling since the first evidence of slow hot…”
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Conference Proceeding -
18
Quasi-Two-Dimensional Luminescent Silicon Nanosheets
Published in Journal of physical chemistry. C (23-08-2018)“…Although predicted to be stable under ambient conditions, the experimental synthesis of silicenethe two-dimensional silicon analogue of graphenehas been a…”
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19
Lessons Learnt from Spatially Resolved Electro‐ and Photoluminescence Imaging: Interfacial Delamination in CH 3 NH 3 PbI 3 Planar Perovskite Solar Cells upon Illumination
Published in Advanced energy materials (01-05-2017)“…The influence of illumination on the long‐term performance of planar structured perovskite solar cells (PSCs) is investigated using fast and spatially resolved…”
Get full text
Journal Article -
20
Extended hot carrier lifetimes observed in bulk In{sub 0.265±0.02}Ga{sub 0.735}N under high-density photoexcitation
Published in Applied physics letters (28-03-2016)“…We have investigated the ultrafast carrier dynamics in a 1 μm bulk In{sub 0.265}Ga{sub 0.735}N thin film grown using energetic neutral atom-beam…”
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Journal Article