Self-Trapped Excitons in Metal-Halide Perovskites Investigated by Time-Dependent Density Functional Theory

Y Jin, M Rusishvili, M Govoni… - The Journal of Physical …, 2024 - ACS Publications
We present a theoretical study of the formation of self-trapped excitons (STEs) and the
associated broadband emission in metal–halide perovskites Cs4SnBr6 and Cs2AgInCl6 …

Creating Energy Transfer Pathways in Lead-Free Perovskite Nanocrystals via Dopant Emission Centers for Optical Sensing

JK George, A Pasha… - ACS Applied Nano …, 2024 - ACS Publications
Cesium copper halide (CCH) nanocrystals (NCs) have gained significant interest as a Pb-
free alternative to conventional cesium lead halide NCs in fabricating LEDs due to their …

The origin of broadband blue emission in zero-dimensional organic lead iodine perovskites: A first-principles study

J Tan, X Jiang, D Liu, AO Moghaddam… - The Journal of …, 2024 - pubs.aip.org
Broadband blue emission in zero-dimensional perovskites has received considerable
attention, which is very important for the realization of stable blue-light emitters; however, the …

Why do similar 1D-polyhedron-chain copper chloride semiconductors have 2-order-distinct luminescence quantum efficiencies?

R Miao, H Wu, T Liang, J Fan - The Journal of Chemical Physics, 2024 - pubs.aip.org
The “green” copper halides with one-dimensional polyhedron chains are very interesting
novel semiconductors. These weakly interacting parallel quantum wires (1D polyhedron …

Excitonic feature in CsAg2I3 crystals prepared by Bridgman method

S Ibuki, T Kawai - Japanese Journal of Applied Physics, 2024 - iopscience.iop.org
This study investigated the optical spectra of the CsAg 2 I 3 crystals at low temperatures. In
the reflection spectrum, remarkable reflection peaks owing to band-edge exciton transitions …