Charge carrier trap**, recombination and transfer during TiO2 photocatalysis: An overview

R Qian, H Zong, J Schneider, G Zhou, T Zhao, Y Li… - Catalysis Today, 2019 - Elsevier
Heterogeneous photocatalysis mediated by semiconducting TiO 2 has attracted continuous
interest during the past decades and has shown great potentials in environmental …

[HTML][HTML] Intrinsic intermediate gap states of TiO2 materials and their roles in charge carrier kinetics

B Liu, X Zhao, J Yu, IP Parkin, A Fujishima… - … of Photochemistry and …, 2019 - Elsevier
Titanium dioxide (TiO 2) is regarded as an important prototype photocatalytic material for
several decades. The charge carrier kinetics determines the photocatalytic properties of TiO …

Direct and real-time observation of hole transport dynamics in anatase TiO2 using X-ray free-electron laser

SH Park, A Katoch, KH Chae, S Gautam… - Nature …, 2022 - nature.com
Carrier dynamics affects photocatalytic systems, but direct and real-time observations in an
element-specific and energy-level-specific manner are challenging. In this study, we …

Time-Dependent Photoluminescence of Nanostructured Anatase TiO2 and the Role of Bulk and Surface Processes

R Brüninghoff, K Wenderich, JP Korterik… - The Journal of …, 2019 - ACS Publications
TiO2 is one of the most attractive photocatalysts, with applications in water splitting,
wastewater treatment, and air purification. Understanding the fundamentals of the …

Phonon-Mediated and Weakly Size-Dependent Electron and Hole Cooling in CsPbBr3 Nanocrystals Revealed by Atomistic Simulations and Ultrafast Spectroscopy

SC Boehme, S Brinck, J Maes, N Yazdani, F Zapata… - Nano …, 2020 - ACS Publications
We combine state-of-the-art ultrafast photoluminescence and absorption spectroscopy and
nonadiabatic molecular dynamics simulations to investigate charge-carrier cooling in …

Study of the Bulk Charge Carrier Dynamics in Anatase and Rutile TiO2 Single Crystals by Femtosecond Time-Resolved Spectroscopy

P Maity, OF Mohammed, K Katsiev… - The Journal of Physical …, 2018 - ACS Publications
Understanding of the fundamentals behind charge carrier dynamics of photocatalytic
materials is still illusive, hindering progress in our quest for renewable energy. TiO2 anatase …

Role of the metal oxide electron acceptor on gold–plasmon hot-carrier dynamics and its implication to photocatalysis and photovoltaics

Y Hattori, S Gutiérrez Álvarez, J Meng… - ACS Applied Nano …, 2021 - ACS Publications
The recent discovery that metal nanoparticles can generate hot carriers upon light excitation
is seen as a breakthrough in the fields of plasmonics and photonics. However, the high …

Visible Light Absorption and Hot Carrier Trap** in Anatase TiO2: The Role of Surface Oxygen Vacancies

E Hruska, J Husek, S Bandaranayake… - The Journal of Physical …, 2022 - ACS Publications
Anatase TiO2 is an efficient water splitting photocatalyst using UV light, but solar energy
harvesting requires the presence of midgap states to increase visible light absorption …

Effect of Photoinduced Screening on the Spectroscopic Signature of Exciton–Phonon Coupling

S Mor, V Gosetti, VF Agekyan, C Giannetti… - ACS …, 2024 - ACS Publications
The light-mediated interaction of fermionic and bosonic excitations governs the
optoelectronic properties of condensed matter systems. In photoexcited semiconductors, the …

Ultrafast molecular photophysics in the deep-ultraviolet

M Chergui - The Journal of chemical physics, 2019 - pubs.aip.org
In the landscape of ultrafast spectroscopic tools, the deep-and near-ultraviolet ranges (200–
400 nm) have lagged behind due to the lack of tunability of both the pump and the probe …