scholarly journals Photochemical Upconversion Theory: Importance of Triplet Energy Levels and Triplet Quenching

2019 ◽  
Vol 12 (2) ◽  
Author(s):  
David Jefferies ◽  
Timothy W. Schmidt ◽  
Laszlo Frazer
Keyword(s):  
Energy Levels ◽  
Triplet Energy

Carbazolylphosphines and carbazolylphosphine oxides: facilely synthesized host materials with tunable mobilities and high triplet energy levels for blue phosphorescent OLEDs

2017 ◽  
Vol 5 (29) ◽  
pp. 7344-7351 ◽  
Author(s):  
Zifeng Zhao ◽  
Gang Yu ◽  
Qiaowen Chang ◽  
Xiaochen Liu ◽  
Yang Liu ◽  
...  
Keyword(s):  
Energy Levels ◽  
Triplet Energy ◽  
Charge Mobility ◽  
Highly Efficient ◽  
Host Materials ◽  
Blue Phosphorescent

Selectively modulating the charge mobility of host materials by the oxidation of phosphines for highly efficient blue phosphorescent OLEDs.

Promoting near-infrared emission of neodymium complexes by tuning the singlet and triplet energy levels of β-diketonates

2006 ◽  
Vol 30 (5) ◽  
pp. 791-796 ◽  
Author(s):  
Lifen Yang ◽  
Zeliang Gong ◽  
Daobo Nie ◽  
Bin Lou ◽  
Zuqiang Bian ◽  
...  
Keyword(s):  
Near Infrared ◽  
Energy Levels ◽  
Infrared Emission ◽  
Triplet Energy ◽  
Near Infrared Emission

Protonation of the Trimethylated Pyrichrominium Ion

1986 ◽  
Vol 41 (4) ◽  
pp. 661-664
Author(s):  
J. Koput ◽  
B. Marciniak ◽  
S. Paszyc
Keyword(s):  
Transfer Reaction ◽  
Energy Levels ◽  
Proton Transfer Reaction ◽  
Oscillator Strengths ◽  
Triplet States ◽  
Excited Singlet ◽  
Triplet Energy ◽  
Charge Densities ◽  
Singlet And Triplet States ◽  
Experimental Values

pKSpectroscopic manifestations of protonation of the trimethylated pyrichrominium ion studied previously experimentally [1] are investigated using a semiempirical INDO/S Cl method. Singlet and triplet energy levels of the free ion and several protonated species are calculated, and transition energies and oscillator strengths are compared with experimental spectra. Calculated charge densities on nitrogen atoms are correlated with experimental values for the ground and lowest excited singlet and triplet states. The possibility of the proton transfer reaction (phototautomerization) in the lowest excited singlet state of monoprotonated species is discussed on the basis of INDO/S Cl calculations, fluorescence and absorption spectroscopy.

Magnetic field effects on the quenching of triplet excitons in exciplex-based organic light emitting diodes

2018 ◽  
Vol 6 (21) ◽  
pp. 5721-5726 ◽  
Author(s):  
Peisen Yuan ◽  
Xianfeng Qiao ◽  
Donghang Yan ◽  
Dongge Ma
Keyword(s):  
Excited States ◽  
Light Emitting Diodes ◽  
Energy Levels ◽  
Organic Light Emitting Diodes ◽  
Magnetic Field Effects ◽  
Triplet Energy ◽  
Light Emitting ◽  
Organic Light ◽  
Triplet Excited States ◽  
Triplet Excitons

Triplet excited states in exciplex-based organic light emitting diodes (OLEDs) can be wasted by transferring their energy to the host material in a system with smaller triplet energy levels.

The influence of triplet energy levels of bridging ligands on energy transfer processes in Ir(iii)/Eu(iii) dyads

2011 ◽  
Vol 40 (43) ◽  
pp. 11410 ◽  
Author(s):  
Weili Jiang ◽  
Bin Lou ◽  
Jianqiang Wang ◽  
Hongbin Lv ◽  
Zuqiang Bian ◽  
...  
Keyword(s):  
Energy Transfer ◽  
Energy Levels ◽  
Triplet Energy ◽  
Bridging Ligands ◽  
Transfer Processes

Polymer Triplet Energy Levels Need Not Limit Photocurrent Collection in Organic Solar Cells

2012 ◽  
Vol 134 (48) ◽  
pp. 19661-19668 ◽  
Author(s):  
Cody W. Schlenker ◽  
Kung-Shih Chen ◽  
Hin-Lap Yip ◽  
Chang-Zhi Li ◽  
Liam R. Bradshaw ◽  
...  
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Energy Levels ◽  
Triplet Energy
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