Observation of an unprecedented heavy-atom effect on the rate of 1n,.pi. in a .beta.,.gamma.-unsaturated ketone

1981 ◽  
Vol 103 (9) ◽  
pp. 2460-2461 ◽  
Author(s):  
Lidia T. Calcaterra ◽  
David I. Schuster
Keyword(s):  
Heavy Atom ◽  
Unsaturated Ketone ◽  
Heavy Atom Effect ◽  
Atom Effect

An Ionic Heavy-Atom Effect in the Solid State Photochemistry of a .beta.,.gamma.-Unsaturated Ketone

1994 ◽  
Vol 116 (22) ◽  
pp. 10322-10323 ◽  
Author(s):  
Bozena Borecka ◽  
Anna D. Gudmundsdottir ◽  
Gunnar Olovsson ◽  
V. Ramamurthy ◽  
John R. Scheffer ◽  
...  
Keyword(s):  
Solid State ◽  
Heavy Atom ◽  
Unsaturated Ketone ◽  
Heavy Atom Effect ◽  
Atom Effect

Achieving high singlet-oxygen generation by applying the heavy-atom effect to thermally activated delayed fluorescent materials

2021 ◽  
Author(s):  
Ya-Fang Xiao ◽  
Jia-Xiong Chen ◽  
Wen-Cheng Chen ◽  
Xiuli Zheng ◽  
Chen Cao ◽  
...  
Keyword(s):  
Singlet Oxygen ◽  
Heavy Atom ◽  
Synergetic Effect ◽  
Heavy Atom Effect ◽  
Oxygen Generation ◽  
Thermally Activated ◽  
Singlet Oxygen Generation ◽  
Fluorescent Materials ◽  
Atom Effect

Applying the heavy-atom effect to TADF photosensitizers achieves ultra-high 1O2 generation (ФΔ = 0.91) by the synergetic effect of small ΔEST and considerable SOC.

Enhancement of Reverse Intersystem Crossing in Charge‐Transfer Molecule through Internal Heavy Atom Effect

2021 ◽  
pp. 2104646
Author(s):  
Hyung Suk Kim ◽  
Ja Yeon Lee ◽  
Seongjun Shin ◽  
Wonkyo Jeong ◽  
Sang Hoon Lee ◽  
...  
Keyword(s):  
Charge Transfer ◽  
Heavy Atom ◽  
Intersystem Crossing ◽  
Heavy Atom Effect ◽  
Atom Effect

scholarly journals Etude par résonance magnétique nucléaire de composés organiques contenant des chalcogènes. II. L'éther de diphényle et ses analogues soufré, sélénié et telluré

1979 ◽  
Vol 57 (22) ◽  
pp. 2967-2970 ◽  
Author(s):  
Gabriel Llabrès ◽  
Marcel Baiwir ◽  
Léon Christiaens ◽  
Jean-Louis Piette
Keyword(s):  
Crystal Structure ◽  
Theoretical Calculations ◽  
Heavy Atom ◽  
Mesomeric Effect ◽  
Heavy Atom Effect ◽  
Inductive Effects ◽  
Structure Determinations ◽  
Résonance Magnétique ◽  
Atom Effect ◽  
Good Agreement

The 1Hmr study of the title compounds has revealed a screw conformation, with defined interconversion processes, in good agreement with crystal structure determinations and theoretical calculations. The mesomeric effect of the heteroatom is smaller than in the anisole series, due to steric inhibitions.The 13Cmr enhances, to some extent, these conclusions. In the case of Te compounds, a heavy atom effect adds to the classical mesomeric and inductive effects to account for the experimental observations.

Photostable Iodinated Silica/Porphyrin Hybrid Nanoparticles with Heavy-Atom Effect for Wide-Field Photodynamic/Photothermal Therapy Using Single Light Source

2013 ◽  
Vol 24 (4) ◽  
pp. 503-513 ◽  
Author(s):  
Koichiro Hayashi ◽  
Michihiro Nakamura ◽  
Hirokazu Miki ◽  
Shuji Ozaki ◽  
Masahiro Abe ◽  
...  
Keyword(s):  
Light Source ◽  
Photothermal Therapy ◽  
Heavy Atom ◽  
Hybrid Nanoparticles ◽  
Wide Field ◽  
Heavy Atom Effect ◽  
Atom Effect
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