scholarly journals Role of Polar Phonons in the Photo Excited State of Metal Halide Perovskites

2016 ◽  
Vol 6 (1) ◽  
Author(s):  
Menno Bokdam ◽  
Tobias Sander ◽  
Alessandro Stroppa ◽  
Silvia Picozzi ◽  
D. D. Sarma ◽  
...  
Keyword(s):  
Excited State ◽  
Metal Halide ◽  
Halide Perovskites

Nonlinear photocarrier dynamics and the role of shallow traps in mixed-halide mixed-cation hybrid perovskites

2021 ◽  
Author(s):  
David Alberto Valverde-Chávez ◽  
Esteban Rojas-Gatjens ◽  
Jacob Williamson ◽  
Sarthak Jariwala ◽  
Yangwei Shi ◽  
...  
Keyword(s):  
Surface Passivation ◽  
Metal Halide ◽  
Carrier Trapping ◽  
Mixed Cation ◽  
Halide Perovskites ◽  
Shallow Traps ◽  
Recombination Dynamics

We examine the role of surface passivation on carrier trapping and nonlinear recombination dynamics in hybrid metal-halide perovskites by means of excitation correlation photoluminescence (ECPL) spectroscopy. We find that carrier...

scholarly journals The Role of Grain Boundaries on Ionic Defect Migration in Metal Halide Perovskites

2020 ◽  
Vol 10 (20) ◽  
pp. 1903735 ◽  
Author(s):  
Nga Phung ◽  
Amran Al‐Ashouri ◽  
Simone Meloni ◽  
Alessandro Mattoni ◽  
Steve Albrecht ◽  
...  
Keyword(s):  
Grain Boundaries ◽  
Metal Halide ◽  
Defect Migration ◽  
Halide Perovskites ◽  
Ionic Defect

scholarly journals Strain in Metal Halide Perovskites: The Critical Role of A-Site Cation

2021 ◽  
Author(s):  
Yongtao Liu ◽  
Bobby G. Sumpter ◽  
Jong K. Keum ◽  
Bin Hu ◽  
Mahshid Ahmadi ◽  
...  
Keyword(s):  
Critical Role ◽  
Metal Halide ◽  
Halide Perovskites ◽  
A Site

Role of Spacer Cations and Structural Distortion in Two-Dimensional Germanium Halide Perovskites

2021 ◽  
Author(s):  
Lorenzo Malavasi ◽  
Luca Bindi ◽  
Mauro Coduri ◽  
Filippo De Angelis ◽  
Francesco Fracassi ◽  
...  
Keyword(s):  
Optical Properties ◽  
Metal Halide ◽  
Structural Distortion ◽  
Two Dimensional ◽  
Structure Property ◽  
Structural Distortions ◽  
Metal Halide Perovskite ◽  
Halide Perovskites ◽  
Halide Perovskite

The elucidation of the structure-property correlation in 2D metal halide perovskite is a key issue to understand the dependence of optical properties on structural distortions and to design novel tailored...

Mechanism of Charge Transfer and Recombination Dynamics in Organo Metal Halide Perovskites and Organic Electrodes, PCBM, and Spiro-OMeTAD: Role of Dark Carriers

2015 ◽  
Vol 137 (51) ◽  
pp. 16043-16048 ◽  
Author(s):  
Carlito S. Ponseca ◽  
Eline M. Hutter ◽  
Piotr Piatkowski ◽  
Boiko Cohen ◽  
Torbjörn Pascher ◽  
...  
Keyword(s):  
Charge Transfer ◽  
Metal Halide ◽  
Halide Perovskites ◽  
Recombination Dynamics ◽  
Organic Electrodes

scholarly journals The Role of Surface Tension in the Crystallization of Metal Halide Perovskites

2017 ◽  
Vol 2 (8) ◽  
pp. 1782-1788 ◽  
Author(s):  
Ayan A. Zhumekenov ◽  
Victor M. Burlakov ◽  
Makhsud I. Saidaminov ◽  
Abdulilah Alofi ◽  
Md Azimul Haque ◽  
...  
Keyword(s):  
Surface Tension ◽  
Metal Halide ◽  
Halide Perovskites

Dynamic adjustment of emission from both singlets and triplets: the role of excited state conformation relaxation and charge transfer in phenothiazine derivates

2021 ◽  
Author(s):  
Weidong Qiu ◽  
Xinyi Cai ◽  
Mengke Li ◽  
Liangying Wang ◽  
Yanmei He ◽  
...  
Keyword(s):  
Excited State ◽  
Charge Transfer ◽  
Intramolecular Charge Transfer ◽  
Dynamic Adjustment ◽  
Twisted Intramolecular Charge Transfer

Dynamic adjustment of emission behaviours by controlling the extent of twisted intramolecular charge transfer character in excited state.

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