scholarly journals Surface electron dynamics in hematite (α-Fe2O3): correlation between ultrafast surface electron trapping and small polaron formation

2017 ◽  
Vol 8 (12) ◽  
pp. 8170-8178 ◽  
Author(s):  
Jakub Husek ◽  
Anthony Cirri ◽  
Somnath Biswas ◽  
L. Robert Baker
Keyword(s):  
Charge Carrier ◽  
Small Polaron ◽  
Functional Materials ◽  
Carrier Dynamics ◽  
Electron Trapping ◽  
Electron Dynamics ◽  
Surface Electron ◽  
X Ray ◽  
Charge Carrier Dynamics ◽  
Polaron Formation

Ultrafast soft X-ray reflection-absorption spectroscopy as a probe for following surface charge carrier dynamics in catalytically-relevant functional materials.

scholarly journals Real-time probing of charge-transfer induced interfacial fields in a dye-semiconductor system using time-resolved XPS

2019 ◽  
Vol 205 ◽  
pp. 05021
Author(s):  
Johannes Mahl ◽  
Stefan Neppl ◽  
Friedrich Roth ◽  
Andrey Shavorskiy ◽  
Nils Huse ◽  
...  
Keyword(s):  
Charge Transfer ◽  
Charge Carrier ◽  
Photoelectron Spectroscopy ◽  
Carrier Dynamics ◽  
Time Resolved ◽  
X Ray ◽  
Charge Carrier Dynamics ◽  
Semiconductor System ◽  
Induced Charge ◽  
Polypyridine Complexes

Photo-induced charge carrier dynamics and transient interfacial fields at the interface between N3 polypyridine complexes and films of nanocrystalline ZnO are probed by picosecond time-resolved X-ray photoelectron spectroscopy.

scholarly journals Time-resolved terahertz spectroscopy reveals the influence of charged sensitizing quantum dots on the electron dynamics in ZnO

2017 ◽  
Vol 19 (8) ◽  
pp. 6006-6012 ◽  
Author(s):  
Sesha Bamini N. ◽  
Hynek Němec ◽  
Karel Žídek ◽  
Mohamed Abdellah ◽  
Mohammed J. Al-Marri ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Charge Carrier ◽  
Transient Absorption ◽  
Terahertz Spectroscopy ◽  
Carrier Dynamics ◽  
Transient Absorption Spectroscopy ◽  
Cdse Quantum Dots ◽  
Electron Dynamics ◽  
Time Resolved ◽  
Charge Carrier Dynamics

Photoinitiated charge carrier dynamics in ZnO nanoparticles sensitized by CdSe quantum dots is studied using transient absorption spectroscopy and time-resolved terahertz spectroscopy.

Charge Carrier Dynamics in Nanostructured Tungsten Trioxide for Solar Driven Water Oxidation

2018 ◽  
Author(s):  
Sacha Corby ◽  
Laia Francas ◽  
Shababa Selim ◽  
Michael Sachs ◽  
Andreas Kafizas ◽  
...  
Keyword(s):  
Charge Carrier ◽  
Water Oxidation ◽  
Tungsten Trioxide ◽  
Carrier Dynamics ◽  
Charge Carrier Dynamics

scholarly journals Deciphering the role of quantum dot size in the ultrafast charge carrier dynamics at the perovskite–quantum dot interface

2020 ◽  
Vol 8 (42) ◽  
pp. 14834-14844
Author(s):  
Piotr Piatkowski ◽  
Sofia Masi ◽  
Pavel Galar ◽  
Mario Gutiérrez ◽  
Thi Tuyen Ngo ◽  
...  
Keyword(s):  
Quantum Dot ◽  
Charge Carrier ◽  
Rate Constants ◽  
Transient Absorption ◽  
Carrier Dynamics ◽  
Carrier Transfer ◽  
Charge Carrier Dynamics ◽  
Conduction Bands

Charge-carrier transfer (CT) from the perovskite host to PbS QDs were studied using fs-transient absorption and THz techniques. The CT rate constants increase with the size of QDs due to a change in the position of valence and conduction bands in PbS QDs.

scholarly journals WO3/BiVO4: impact of charge separation at the timescale of water oxidation

2019 ◽  
Vol 10 (9) ◽  
pp. 2643-2652 ◽  
Author(s):  
Shababa Selim ◽  
Laia Francàs ◽  
Miguel García-Tecedor ◽  
Sacha Corby ◽  
Chris Blackman ◽  
...  
Keyword(s):  
Charge Carrier ◽  
Water Oxidation ◽  
Charge Separation ◽  
Carrier Dynamics ◽  
Applied Bias ◽  
Charge Carrier Dynamics

Unveiling the role of applied bias on the charge carrier dynamics in the WO3/BiVO4 junction during water oxidation.

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