Giant bandgap renormalization and exciton–phonon scattering in perovskite nanocrystals

R Saran, A Heuer‐Jungemann… - Advanced Optical …, 2017 - Wiley Online Library
Understanding the interactions between photoexcited charge carriers (electrons and holes)
with lattice vibrations (phonons) in quantum confined semiconductor nanocrystals (NCs) is …

Measuring charge carrier diffusion in coupled colloidal quantum dot solids

D Zhitomirsky, O Voznyy, S Hoogland, EH Sargent - ACS nano, 2013 - ACS Publications
Colloidal quantum dots (CQDs) are attractive materials for inexpensive, room-temperature-,
and solution-processed optoelectronic devices. A high carrier diffusion length is desirable …

Low temperature photoluminescence properties of CsPbBr 3 quantum dots embedded in glasses

B Ai, C Liu, Z Deng, J Wang, J Han… - Physical Chemistry …, 2017 - pubs.rsc.org
The photoluminescence properties of perovskite CsPbBr3 QDs embedded in glasses were
investigated at cryogenic temperature in the range of 40–240 K. CsPbBr3 QDs with radii of …

Temperature dependence of band gaps in semiconductors: Electron-phonon interaction

J Bhosale, AK Ramdas, A Burger, A Muñoz… - Physical Review B …, 2012 - APS
We have theoretically investigated, by ab initio techniques, the phonon properties of several
semiconductors with chalcopyrite structure. Comparison with experiments has led us to …

Temperature‐dependent exciton and trap‐related photoluminescence of CdTe quantum dots embedded in a NaCl matrix: implication in thermometry

S Kalytchuk, O Zhovtiuk, SV Kershaw, R Zbořil… - Small, 2016 - Wiley Online Library
Temperature‐dependent optical studies of semiconductor quantum dots (QDs) are
fundamentally important for a variety of sensing and imaging applications. The steady‐state …

Size-and temperature-dependent intraband optical properties of heavily n-doped PbS colloidal quantum dot solid-state films

I Ramiro, B Kundu, M Dalmases, O Özdemir… - ACS …, 2020 - ACS Publications
Steady-state access to intraband transitions in colloidal quantum dots (CQDs), via do**,
permits exploitation of the electromagnetic spectrum at energies below the band gap. CQD …

One-pot synthesis and structural evolution of colloidal cesium lead halide–lead sulfide heterostructure nanocrystals for optoelectronic applications

M Jagadeeswararao, P Vashishtha… - The Journal of …, 2021 - ACS Publications
Heterostructures, combining perovskite nanocrystals (PNC) and chalcogenide quantum
dots, could pave a path to optoelectronic device applications by enabling absorption in the …

Visible and near-infrared, multiparametric, ultrasensitive nanothermometer based on dual-emission colloidal quantum dots

J Liu, H Zhang, GS Selopal, S Sun, H Zhao… - Acs …, 2019 - ACS Publications
Dual-emission nanothermometers with the capability of precise measurement combined
with high spatial resolution at the micro-and nanoscale could represent a powerful tool in …

Size dependence of temperature-related optical properties of PbS and PbS/CdS core/shell quantum dots

H Zhao, H Liang, F Vidal, F Rosei… - The Journal of …, 2014 - ACS Publications
The effect of PbS core size on the temperature-dependent photoluminescence (PL) of
PbS/CdS quantum dots (QDs) in the temperature range of 100–300 K was thoroughly …

Ultrasensitive, Biocompatible, Self-Calibrating, Multiparametric Temperature Sensors.

H Zhao, A Vomiero, F Rosei - Small (Weinheim an der Bergstrasse …, 2015 - europepmc.org
Core-shell quantum dots serve as self-calibrating, ultrasensitive, multiparametric, near-
infrared, and biocompatible temperature sensors. They allow temperature measurement …