Pronounced Exciton Dynamics in the Vacancy-Ordered Bismuth Halide Perovskite (CH3NH3)3Bi2I9 Observed by Ultrafast UV–vis–NIR Transient Absorption Spectroscopy

2017 ◽  
Vol 121 (22) ◽  
pp. 12110-12116 ◽  
Author(s):  
Mirko Scholz ◽  
Oliver Flender ◽  
Kawon Oum ◽  
Thomas Lenzer
Keyword(s):  
Absorption Spectroscopy ◽  
Transient Absorption ◽  
Transient Absorption Spectroscopy ◽  
Exciton Dynamics ◽  
Halide Perovskite

scholarly journals Exciton dynamics in DNA oligomers studied by broadband deep-UV transient absorption spectroscopy

2019 ◽  
Vol 205 ◽  
pp. 10006
Author(s):  
Benjamin Bauer ◽  
Malte Oppermann ◽  
Majed Chergui
Keyword(s):  
Absorption Spectroscopy ◽  
Transient Absorption ◽  
Transient Absorption Spectroscopy ◽  
Base Stacking ◽  
Dna Oligomers ◽  
Exciton Dynamics ◽  
Deep Uv ◽  
Strand Length ◽  
Absorption Measurements

We report broadband transient absorption measurements of adenine strands in the deep-UV (250-370 nm). By varying the strand length we resolve the interplay between inter-base stacking and exciton formation and dynamics in DNA oligomers.

scholarly journals Coupled valence carrier and core-exciton dynamics in WS2 probed by few-femtosecond extreme ultraviolet transient absorption spectroscopy

2021 ◽  
Vol 104 (6) ◽  
Author(s):  
Hung-Tzu Chang ◽  
Alexander Guggenmos ◽  
Christopher T. Chen ◽  
Juwon Oh ◽  
Romain Géneaux ◽  
...  
Keyword(s):  
Absorption Spectroscopy ◽  
Transient Absorption ◽  
Extreme Ultraviolet ◽  
Transient Absorption Spectroscopy ◽  
Exciton Dynamics

scholarly journals Bromine substitution improves excited-state dynamics in mesoporous mixed halide perovskite films

Nanoscale ◽  
2017 ◽  
Vol 9 (33) ◽  
pp. 12005-12013 ◽  
Author(s):  
Eric M. Talbert ◽  
Holly F. Zarick ◽  
Abdelaziz Boulesbaa ◽  
Naiya Soetan ◽  
Alexander A. Puretzky ◽  
...  
Keyword(s):  
Excited State ◽  
Absorption Spectroscopy ◽  
Transient Absorption ◽  
Carrier Dynamics ◽  
Transient Absorption Spectroscopy ◽  
Excited State Dynamics ◽  
Halide Perovskites ◽  
Halide Perovskite ◽  
Carrier Thermalization ◽  
The Impact

This study investigates the impact of Br substitution on the carrier dynamics in mixed halide perovskites using ultrafast transient absorption spectroscopy, revealing faster carrier thermalization lifetimes with increasing Br content.

Investigating the dynamics of excitons in monolayer WSe2 before and after organic super acid treatment

Nanoscale ◽  
2018 ◽  
Vol 10 (19) ◽  
pp. 9346-9352 ◽  
Author(s):  
Xin Chen ◽  
Zhuo Wang ◽  
Lei Wang ◽  
Hai-Yu Wang ◽  
Yuan-Yuan Yue ◽  
...  
Keyword(s):  
Absorption Spectroscopy ◽  
Acid Treatment ◽  
Transient Absorption ◽  
Transient Absorption Spectroscopy ◽  
Exciton Dynamics ◽  
Before And After ◽  
Super Acid

Exciton dynamics of monolayer WSe2 before and after organic super acid treatment investigated by broadband transient absorption spectroscopy.

Unveiling the dimension-dependence of femtosecond nonlinear optical properties of tellurium nanostructures

2021 ◽  
Author(s):  
Qi Xiao ◽  
Bo Ma ◽  
Xian Fei ◽  
Duan-Wu Liu ◽  
Xin-Ping Zhai ◽  
...  
Keyword(s):  
Optical Properties ◽  
Absorption Spectroscopy ◽  
Nonlinear Optical ◽  
Transient Absorption ◽  
Nonlinear Optical Properties ◽  
Transient Absorption Spectroscopy ◽  
Exciton Dynamics ◽  
Ultrafast Transient Absorption ◽  
First Time ◽  
Ultrafast Transient Absorption Spectroscopy

For the first time, strong dimension-dependent femtosecond nonlinear optical properties were demonstrated in a variety of Te nanostructures. Ultrafast transient absorption spectroscopy revealed the dimension-dependent exciton dynamics.

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