Enhanced mobility CsPbI3 quantum dot arrays for record-efficiency, high-voltage photovoltaic cells
We developed lead halide perovskite quantum dot (QD) films with tuned surface chemistry
based on A-site cation halide salt (AX) treatments. QD perovskites offer colloidal synthesis …
based on A-site cation halide salt (AX) treatments. QD perovskites offer colloidal synthesis …
Terahertz spectroscopy of nanomaterials: a close look at charge‐carrier transport
P Kužel, H Němec - Advanced Optical Materials, 2020 - Wiley Online Library
Terahertz spectroscopy has been used for almost two decades for investigations of
nanomaterials, including nanocrystals, nanoparticles, nanowires, nanotubes or 2D crystals …
nanomaterials, including nanocrystals, nanoparticles, nanowires, nanotubes or 2D crystals …
Ultrafast carrier dynamics in BiVO 4 thin film photoanode material: interplay between free carriers, trapped carriers and low-frequency lattice vibrations
We explore ultrafast carrier dynamics and interactions of photoexcited carriers with lattice
vibrational modes in BiVO4 photoanode material using time-resolved terahertz spectroscopy …
vibrational modes in BiVO4 photoanode material using time-resolved terahertz spectroscopy …
Size-dependent exciton formation dynamics in colloidal silicon quantum dots
We report size-dependent exciton formation dynamics within colloidal silicon quantum dots
(Si QDs) using time-resolved terahertz (THz) spectroscopy measurements. THz …
(Si QDs) using time-resolved terahertz (THz) spectroscopy measurements. THz …
Fabricating femtosecond laser-induced periodic surface structures with electrophysical anisotropy on amorphous silicon
D Shuleiko, M Martyshov, D Amasev, D Presnov… - Nanomaterials, 2020 - mdpi.com
One-dimensional periodic surface structures were formed by femtosecond laser irradiation
of amorphous hydrogenated silicon (a-Si: H) films. The a-Si: H laser processing conditions …
of amorphous hydrogenated silicon (a-Si: H) films. The a-Si: H laser processing conditions …
Ultrafast carrier dynamics and the role of grain boundaries in polycrystalline silicon thin films grown by molecular beam epitaxy
We have used time-resolved terahertz spectroscopy to study microscopic photoconductivity
and ultrafast photoexcited carrier dynamics in thin, pure, non-hydrogenated silicon films …
and ultrafast photoexcited carrier dynamics in thin, pure, non-hydrogenated silicon films …
Suppressing auger recombination in multiply excited colloidal silicon nanocrystals with ligand-induced hole traps
Nonradiative Auger recombination in multiply excited nanocrystals is a dominant efficiency
loss pathway for nanocrystal-containing optoelectronic devices that rely on high-rate …
loss pathway for nanocrystal-containing optoelectronic devices that rely on high-rate …
Enhanced carrier mobility in Si nano-crystals via nanoscale phosphorus do**
D Shan, Y Ji, D Li, J Xu, M Qian, L Xu, K Chen - Applied Surface Science, 2017 - Elsevier
Usually, the conductivity of semiconductor can be increased after phosphorus (P) do** but
the electron mobility will be obviously reduced due to the strong impurity scattering. Here …
the electron mobility will be obviously reduced due to the strong impurity scattering. Here …
Highly efficient charge transfer in nanocrystalline Si: H solar cells
We demonstrate that in nanostructured films of nanocrystalline silicon imbedded in a
hydrogenated amorphous silicon matrix, carriers generated in the amorphous region are …
hydrogenated amorphous silicon matrix, carriers generated in the amorphous region are …
Ultrafast electrical measurements of isolated silicon nanowires and nanocrystals
We simultaneously determined the charge carrier mobility and picosecond to nanosecond
carrier dynamics of isolated silicon nanowires (Si NWs) and nanocrystals (Si NCs) using …
carrier dynamics of isolated silicon nanowires (Si NWs) and nanocrystals (Si NCs) using …