Ultrafast charge carrier dynamics in CdSe/V2O5 core/shell quantum dots

2019 ◽  
Vol 21 (11) ◽  
pp. 6265-6273 ◽  
Author(s):  
Amar Nath Yadav ◽  
Ashwani Kumar Singh ◽  
Shubhda Srivastava ◽  
Mahesh Kumar ◽  
Bipin Kumar Gupta ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Charge Carrier ◽  
Transient Absorption ◽  
Carrier Dynamics ◽  
Core Shell ◽  
Cdse Core ◽  
Charge Carrier Dynamics ◽  
Ultrafast Transient Absorption

Ultrafast transient absorption (TA) spectroscopy has been carried out to study the charge carrier dynamics of CdSe core and CdSe/V2O5 core/shell quantum dots (QDs).

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.

scholarly journals Origin of the overall water splitting activity of Ta3N5 revealed by ultrafast transient absorption spectroscopy

2019 ◽  
Vol 10 (20) ◽  
pp. 5353-5362 ◽  
Author(s):  
Dharmapura H. K. Murthy ◽  
Hiroyuki Matsuzaki ◽  
Zheng Wang ◽  
Yohichi Suzuki ◽  
Takashi Hisatomi ◽  
...  
Keyword(s):  
Charge Carrier ◽  
Water Splitting ◽  
Absorption Spectroscopy ◽  
Transient Absorption ◽  
Carrier Dynamics ◽  
Transient Absorption Spectroscopy ◽  
Spectroscopy Study ◽  
Overall Water Splitting ◽  
Charge Carrier Dynamics ◽  
Ultrafast Transient Absorption

A detailed transient absorption spectroscopy study efficiently correlates charge carrier dynamics with the overall water splitting efficiency in Ta3N5 photocatalyst.

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.

Solvent-induced luminescence charge carrier dynamics for ZnO quantum dots

2021 ◽  
pp. 130469
Author(s):  
M. Kumar ◽  
A.H. Makki ◽  
B.P. Reddy ◽  
K.-S. Seong ◽  
S.-H. Park
Keyword(s):  
Quantum Dots ◽  
Charge Carrier ◽  
Carrier Dynamics ◽  
Charge Carrier Dynamics ◽  
Zno Quantum Dots

Surface Dependent Charge Carrier Dynamics in Core/Shell Nanoplatelets

2018 ◽  
Author(s):  
Sushma Yadav ◽  
Ajeet Singh Singh ◽  
Sameer Sapra Sapra ◽  
Nadja Bigall
Keyword(s):  
Charge Carrier ◽  
Carrier Dynamics ◽  
Core Shell ◽  
Charge Carrier Dynamics

scholarly journals Ultra-fast charge carrier dynamics across the spectrum of an optical gain media based on InAs/AlGaInAs/InP quantum dots

AIP Advances ◽  
2017 ◽  
Vol 7 (3) ◽  
pp. 035122 ◽  
Author(s):  
I. Khanonkin ◽  
A. K. Mishra ◽  
O. Karni ◽  
V. Mikhelashvili ◽  
S. Banyoudeh ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Charge Carrier ◽  
Optical Gain ◽  
Carrier Dynamics ◽  
Fast Charge ◽  
Charge Carrier Dynamics ◽  
Inp Quantum Dots ◽  
Gain Media

scholarly journals Isopropanol-assisted synthesis of highly stable MAPbBr3/p-g-C3N4 intergrowth composite photocatalysts and their interfacial charge carrier dynamics

2020 ◽  
Vol 2 (1) ◽  
pp. 274-285 ◽  
Author(s):  
Qun Wang ◽  
Sicao Yu ◽  
Wei Qin ◽  
Xiaohong Wu
Keyword(s):  
Charge Transfer ◽  
Charge Carrier ◽  
Molecular Oxygen ◽  
Oxygen Activation ◽  
Carrier Dynamics ◽  
Core Shell ◽  
Type I ◽  
Charge Carrier Dynamics ◽  
Composite Photocatalysts ◽  
Interfacial Charge

Isopropanol-assisted synthesis MAPbBr3 wrapped/entrapped p-g-C3N4 intergrowth microcrystals have inverted type-I core/shell band configuration which leads to enhanced interfacial charge transfer and molecular oxygen activation.

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