Design of above-room-temperature ferroelectric two-dimensional layered halide perovskites

P Siwach, P Sikarwar, JS Halpati… - Journal of Materials …, 2022 - pubs.rsc.org
Oxide ferroelectric materials based on the ABO3 structure possess net electric polarization
at zero applied fields that give rise to new photovoltaic concepts. One of the peculiar …

Defects in halide perovskite semiconductors: impact on photo-physics and solar cell performance

S Singh, D Kabra - Journal of Physics D: Applied Physics, 2020 - iopscience.iop.org
Imperfections such as heterogeneity at different length scales, static versus dynamic
disorders, defects in the bulk, surface imperfections, grain boundaries, and interface …

The first 2D hybrid perovskite ferroelectric showing broadband white‐light emission with high color rendering index

C Ji, S Wang, L Li, Z Sun, M Hong… - Advanced Functional …, 2019 - Wiley Online Library
Luminescent ferroelectrics have attracted considerable attention in terms of integrated
photoelectronic devices, most of which are focused on the multicomponent systems of rare …

Long‐lasting nanophosphors applied to UV‐resistant and energy storage perovskite solar cells

C Chen, H Li, J Jin, X Chen, Y Cheng… - Advanced Energy …, 2017 - Wiley Online Library
Recently, considerable progress is achieved in lab prototype perovskite solar cells (PSCs);
however, the stability of outdoor applications of PSCs remains a challenge due to the high …

Intrinsic Broadband White‐Light Emission from Ultrastable, Cationic Lead Halide Layered Materials

Z Zhuang, C Peng, G Zhang, H Yang… - Angewandte Chemie …, 2017 - Wiley Online Library
We report a family of cationic lead halide layered materials, formulated as [Pb2X2] 2+[− O2C
(CH) 2CO2−](X= F, Cl, Br), exhibiting pronounced broadband white‐light emission in bulk …

Carrier thermal escape and retrapping in self-assembled quantum dots

S Sanguinetti, M Henini, MG Alessi, M Capizzi… - Physical Review B, 1999 - APS
The effects of carrier thermal escape and retrapping on the temperature dependence of the
photoluminescence of InAs/GaAs self-assembled quantum dots are investigated. A …

Temperature and excitation density dependence of the photoluminescence from annealed InAs/GaAs quantum dots

EC Le Ru, J Fack, R Murray - Physical Review B, 2003 - APS
Using rapid thermal annealing, we fabricated a series of InAs/GaAs quantum dot samples
with ground-state emission ranging from 1.05 eV to 1.35 eV. This set of annealed samples …

Excited states and energy relaxation in stacked InAs/GaAs quantum dots

R Heitz, A Kalburge, Q Xie, M Grundmann, P Chen… - Physical Review B, 1998 - APS
Excited states and energy relaxation processes are studied for stacked InAs/GaAs QD's with
GaAs cap layers grown by migration enhanced epitaxy. Photoluminescence excitation (PLE) …

Temperature dependence of the optical properties of self-organized quantum dots

A Polimeni, A Patane, M Henini, L Eaves, PC Main - Physical Review B, 1999 - APS
The photoluminescence properties of I n A s/A ly Ga 1− y As self-assembled quantum dots
are studied as a function of temperature from 10 to 290 K. By varying the Al content the dot …

Role of Localized States in Photoluminescence Dynamics of High Optical Gain CsPbBr3 Nanocrystals

A Dey, P Rathod, D Kabra - Advanced Optical Materials, 2018 - Wiley Online Library
Temperature‐dependent time‐resolved photoluminescence (TRPL) spectroscopy of high
optical gain CsPbBr3 nanocrystals (NCs) films along with temperature‐dependent steady …