Femtosecond transient absorption spectroscopy investigation into the electron transfer mechanism in photocatalysis

J Zhang, B Zhu, L Zhang, J Yu - Chemical Communications, 2023 - pubs.rsc.org
Femtosecond transient absorption spectroscopy (fs-TAS) is a powerful technique for
monitoring the electron transfer kinetics in photocatalysis. Several important works have …

The unconventional role of surface ligands in dictating the light harvesting properties of quantum dots

IN Chakraborty, P Roy, A Rao, G Devatha… - Journal of Materials …, 2021 - pubs.rsc.org
The diligent utilisation of sunlight by green plants has essentially paved the way for the
existence of life on earth. Our understanding of natural photosynthetic machinery reveals …

Quantum dots: Another choice to sensitize organic transformations

C Ye, DS Zhang, B Chen, CH Tung… - Chemical Physics …, 2023 - pubs.aip.org
Photochemical reactions are among the most important reactions in both theoretical studies
and practical applications, since they utilize photon energy as the primary driving force. The …

Design and photophysical insights on graphene quantum dots for use as nanosensor in differentiating methamphetamine and morphine in solution

M Masteri-Farahani, F Askari - Spectrochimica Acta Part A: Molecular and …, 2019 - Elsevier
Fluorescent graphene quantum dots (GQDs) were prepared and utilized as nanosensor for
differentiation and determination of two most common narcotic drugs ie morphine and …

Inverse photochromism in viologen–tetraarylborate ion-pair complexes: optical write/microwave erase switching in polymer matrices

WG Santos, DS Budkina, PFGM da Costa… - Materials …, 2022 - pubs.rsc.org
With the aim to construct a new type of photoswitchable photochromic material modulated by
specific radiation in the microwave region, the spin dynamics of radical pairs (RPs) from ion …

PbSe Quantum Dots for X-ray and γ-Ray Sensors

BJ Davis, MD Hammig - ACS Applied Nano Materials, 2021 - ACS Publications
Nanocrystalline (NC) semiconductors exhibit exploitable properties, such as a tunable
energy band gap and multiexciton generation, which arise due to strong quantum …

The effect of Cu (I)-doping on the photoinduced electron transfer from aqueous CdS quantum dots

G Rana, S Das, PK Singha, F Ali, R Maji… - The Journal of Chemical …, 2024 - pubs.aip.org
The doping of CdS quantum dots (QDs) with Cu (I) disrupts electron–hole correlation due to
hole trapping by the dopant ion, post-photoexcitation. The present paper examines the effect …

Monitoring the electric field in CdSe quantum dots under ultrafast interfacial electron transfer via coherent phonon dynamics

DA Cherepanov, FE Gostev, IV Shelaev, NN Denisov… - Nanoscale, 2018 - pubs.rsc.org
Coherent phonon dynamics in CdSe quantum dots (QD) under an ultrafast electron transfer
(ET) reaction of the (1Se–1S3/2) exciton quenched by methyl viologen (MV2+) adsorbed …

Hot electron transfer in Zn–Ag–In–Te nanocrystal–methyl viologen complexes enhanced with higher-energy photon excitation

T Kameyama, K Sugiura, S Kuwabata, T Okuhata… - RSC …, 2020 - pubs.rsc.org
The dynamics of hot electron transfer from Zn–Ag–In–Te (ZAITe) nanocrystals (NCs) to
adsorbed methyl viologen (MV2+) were investigated by transient absorption spectroscopy …

Growth, Characterization and Assembly of Lead Chalcogenide Nanosemiconductors for Ionizing Radiation Sensors

B Davis - 2022 - deepblue.lib.umich.edu
The demand for precise and efficient nuclear radiation detection has increased dramatically,
particularly in numerous scientific disciplines, as well as homeland security and medical …