Terahertz spectroscopy and imaging–Modern techniques and applications

PU Jepsen, DG Cooke, M Koch - Laser & Photonics Reviews, 2011 - Wiley Online Library
Over the past three decades a new spectroscopic technique with unique possibilities has
emerged. Based on coherent and time‐resolved detection of the electric field of ultrashort …

Carrier dynamics in semiconductors studied with time-resolved terahertz spectroscopy

R Ulbricht, E Hendry, J Shan, TF Heinz, M Bonn - Reviews of Modern Physics, 2011 - APS
Time-resolved, pulsed terahertz spectroscopy has developed into a powerful tool to study
charge carrier dynamics in semiconductors and semiconductor structures over the past …

Mechanism for broadband white-light emission from two-dimensional (110) hybrid perovskites

T Hu, MD Smith, ER Dohner, MJ Sher… - The journal of …, 2016 - ACS Publications
The recently discovered phenomenon of broadband white-light emission at room
temperature in the (110) two-dimensional organic–inorganic perovskite (N-MEDA)[PbBr4](N …

Ultrafast Dynamics of Defect-Assisted Electron–Hole Recombination in Monolayer MoS2

H Wang, C Zhang, F Rana - Nano letters, 2015 - ACS Publications
In this Letter, we present nondegenerate ultrafast optical pump–probe studies of the carrier
recombination dynamics in MoS2 monolayers. By tuning the probe to wavelengths much …

A review of the terahertz conductivity of bulk and nano-materials

J Lloyd-Hughes, TI Jeon - Journal of Infrared, Millimeter, and Terahertz …, 2012 - Springer
We review pioneering and recent studies of the conductivity of solid state systems at
terahertz frequencies. A variety of theoretical formalisms that describe the terahertz …

The effects of do** density and temperature on the optoelectronic properties of formamidinium tin triiodide thin films

RL Milot, MT Klug, CL Davies, Z Wang… - Advanced …, 2018 - Wiley Online Library
Optoelectronic properties are unraveled for formamidinium tin triiodide (FASnI3) thin films,
whose background hole do** density is varied through SnF2 addition during film …

Predicting solar cell performance from terahertz and microwave spectroscopy

H Hempel, TJ Savenjie, M Stolterfoht… - Advanced Energy …, 2022 - Wiley Online Library
Mobilities and lifetimes of photogenerated charge carriers are core properties of photovoltaic
materials and can both be characterized by contactless terahertz or microwave …

Resonant internal quantum transitions and femtosecond radiative decay of excitons in monolayer WSe2

C Pöllmann, P Steinleitner, U Leierseder, P Nagler… - Nature materials, 2015 - nature.com
Atomically thin two-dimensional crystals have revolutionized materials science,,. In
particular, monolayer transition metal dichalcogenides promise novel optoelectronic …

Terahertz spectroscopy

JB Baxter, GW Guglietta - Analytical chemistry, 2011 - ACS Publications
Overview and Scope. THz radiation, with frequencies in the range of 0.1 À20 THz, can probe
physical phenomena such as low-energy excitations and carrier dynamics in electronic …

Direct Observation of Ultrafast Exciton Formation in a Monolayer of WSe2

P Steinleitner, P Merkl, P Nagler, J Mornhinweg… - Nano Letters, 2017 - ACS Publications
Many of the fundamental optical and electronic properties of atomically thin transition metal
dichalcogenides are dominated by strong Coulomb interactions between electrons and …