scholarly journals Photoluminescence imaging of defects in TiO2: The influence of grain boundaries and doping on charge carrier dynamics

2021 ◽  
pp. 150909
Author(s):  
Dominik Wrana ◽  
Thomas Gensch ◽  
Benedykt R. Jany ◽  
Karol Cieslik ◽  
Christian Rodenbücher ◽  
...  
Keyword(s):  
Charge Carrier ◽  
Grain Boundaries ◽  
Carrier Dynamics ◽  
Charge Carrier Dynamics

A deconvoluted PL approach to probe the charge carrier dynamics of the grain interior and grain boundary of a perovskite film for perovskite solar cell applications

2017 ◽  
Vol 19 (13) ◽  
pp. 9143-9148 ◽  
Author(s):  
Abdullah Al Mamun ◽  
Tanzila Tasnim Ava ◽  
Hyeon Jun Jeong ◽  
Mun Seok Jeong ◽  
Gon Namkoong
Keyword(s):  
Solar Cell ◽  
Grain Boundary ◽  
Charge Carrier ◽  
Grain Boundaries ◽  
Perovskite Solar Cell ◽  
Carrier Dynamics ◽  
Charge Carrier Dynamics ◽  
Pl Mapping

2D photoluminescence (PL) mapping revealed the blueshift of PL at grain boundaries while relatively very uniform but longer wavelengths were observed at grain interiors.

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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