Inverse Heavy-Atom Effect in Near Infrared Photoluminescent Gold Nanoclusters

Nanoscale ◽  
2021 ◽  
Author(s):  
Goutam Pramanik ◽  
Klaudia Kvakova ◽  
Muhammed Arshad Thottappali ◽  
David Rais ◽  
Jiri Pfleger ◽  
...  
Keyword(s):  
Near Infrared ◽  
Heavy Atom ◽  
Gold Nanoclusters ◽  
Fluorescence Decay ◽  
Orbit Coupling ◽  
Heavy Elements ◽  
Intersystem Crossing ◽  
Spin Orbit Coupling ◽  
Spin Orbit ◽  
Atom Effect

Fluorophores functionalized with heavy elements show enhanced intersystem crossing due to increased spin–orbit coupling, which in turn shortens the fluorescence decay lifetime (τPL). This phenomenon is known as the heavy-atom...

Internal heavy-atom effect on spin–orbit and vibronic–spin–orbit coupling: nπ∗ phosphorescence of 9,10-anthraquinone haloderivatives

1999 ◽  
Vol 248 (2-3) ◽  
pp. 233-246 ◽  
Author(s):  
N.V. Korol'kova ◽  
V.G. Klimenko ◽  
T.A. Kir'yanova ◽  
S.A. Serov ◽  
E.A. Gastilovich
Keyword(s):  
Heavy Atom ◽  
Orbit Coupling ◽  
Spin Orbit Coupling ◽  
Spin Orbit ◽  
Heavy Atom Effect ◽  
Atom Effect

Untersuchung zur externen Spin-Bahn-Kopplung bei aromatischen Molekülen / External Spin-Orbit-Coupling in Aromatic Molecules

1976 ◽  
Vol 31 (7) ◽  
pp. 748-753
Author(s):  
J. Friedrich ◽  
G. Weinzierl ◽  
F. Dörr
Keyword(s):  
Nuclear Charge ◽  
Heavy Atom ◽  
Orbit Coupling ◽  
Coupling Mechanism ◽  
Intermolecular Distance ◽  
Spin Orbit Coupling ◽  
Spin Orbit ◽  
Overlap Integrals ◽  
Aromatic Molecules ◽  
Atom Effect

Abstract The influence of ethylhalogenes on the polarization of the phosphorescence of naphthalene was studied by means of the photoselection technique. It is shown that with increasing concentration and with increasing nuclear charge of the heavy atom the phosphorescence of naphthalene becomes increasingly depolarized. The influence of the external heavy atom on the Tx- and Tz- substate is stronger than on the Ty-substate. From the concentration dependence of the depolarizatign conclusions concerning the mechanism of the external spin-orbit-coupling are drawn. The dirept spin-orbit-coupling mechanism is ruled out. In the model discussed the variation of the external heavy atom effect with the intermolecular distance is related to overlap integrals.

scholarly journals Internal heavy atom effects in phenothiazinium dyes: enhancement of intersystem crossing via vibronic spin–orbit coupling

2015 ◽  
Vol 17 (17) ◽  
pp. 11350-11358 ◽  
Author(s):  
Angela Rodriguez-Serrano ◽  
Vidisha Rai-Constapel ◽  
Martha C. Daza ◽  
Markus Doerr ◽  
Christel M. Marian
Keyword(s):  
Heavy Atom ◽  
Orbit Coupling ◽  
Quantum Mechanical ◽  
Intersystem Crossing ◽  
Spin Orbit Coupling ◽  
Spin Orbit ◽  
Mechanical Methods ◽  
High Level

The effect of substituting the intra-cyclic sulphur of thionine by oxygen (oxonine) and selenium (selenine) on the intersystem crossing (ISC) efficiency has been studied using high level quantum mechanical methods.

scholarly journals Photophysical Heavy-Atom Effect in Iodinated Metallocorroles: Spin–Orbit Coupling and Density of States

2018 ◽  
Vol 122 (37) ◽  
pp. 7256-7266 ◽  
Author(s):  
Enrico Pomarico ◽  
Petr Pospíšil ◽  
Marine E. F. Bouduban ◽  
Jenya Vestfrid ◽  
Zeev Gross ◽  
...  
Keyword(s):  
Density Of States ◽  
Heavy Atom ◽  
Orbit Coupling ◽  
Spin Orbit Coupling ◽  
Spin Orbit ◽  
Heavy Atom Effect ◽  
Atom Effect

Spin-orbit coupling in free-radical reactions: on the way to heavy elements

1993 ◽  
Vol 93 (1) ◽  
pp. 537-570 ◽  
Author(s):  
Igor V. Khudyakov ◽  
Yuri A. Serebrennikov ◽  
Nicholas J. Turro
Keyword(s):  
Free Radical ◽  
Orbit Coupling ◽  
Heavy Elements ◽  
Radical Reactions ◽  
Spin Orbit Coupling ◽  
Spin Orbit ◽  
Free Radical Reactions ◽  
The Way

Effect of vibronically induced spin-orbit coupling of electronic ππ* states on nonradiative intersystem crossing: Naphthalene

2009 ◽  
Vol 106 (4) ◽  
pp. 483-489 ◽  
Author(s):  
V. G. Klimenko ◽  
E. A. Gastilovich ◽  
S. A. Serov ◽  
R. N. Nurmukhametov
Keyword(s):  
Orbit Coupling ◽  
Intersystem Crossing ◽  
Spin Orbit Coupling ◽  
Spin Orbit
Sign in / Sign up

Export Citation Format

Share Document