Unveiling the Role of Langevin and Trap-Assisted Recombination in Long Lifespan OLEDs Employing Thermally Activated Delayed Fluorophores

2018 ◽  
Vol 11 (1) ◽  
pp. 1096-1108 ◽  
Author(s):  
Minghan Cai ◽  
Dongdong Zhang ◽  
Jingyi Xu ◽  
Xiangchen Hong ◽  
Chongguang Zhao ◽  
...  
Keyword(s):  
Thermally Activated

Effect of grain size on the vapour phase hydration of monoclinic and triclinic modifications of tricalcium silicate; role of high temperature activation

1991 ◽  
Vol 56 (10) ◽  
pp. 1993-2008
Author(s):  
S. Hanafi ◽  
G. M. S. El-Shafei ◽  
B. Abd El-Hamid
Keyword(s):  
Particle Size ◽  
Vapour Phase ◽  
Tricalcium Silicate ◽  
Active Centers ◽  
Thermally Activated ◽  
Grain Sizes ◽  
Intermediate Size ◽  
Surface Active ◽  
Temperature Activation

The hydration of tricalcium silicate (C3S) with three grain sizes of monoclinic (M) and triclinic (T) modifications and on their thermally activated samples were investigated by exposure to water vapour at 80°C for 60 days. The products were investigated by XRD, TG and N2 adsorption. The smaller the particle size the greater was the hydration for both dried and activated samples from (M). In the activated samples a hydrate with 2θ values of 38.4°, 44.6° and 48.6° could be identified. Hydration increased with particle size for the unactivated (T) samples but after activation the intermediate size exhibited enhanced hydration. Thermal treatment at 950°C of (T) samples increased the surface active centers on the expense of those in the bulk. Changes produced in surface texture upon activation and/or hydration are discussed.

The Role of Electron–Hole Separation in Thermally Activated Delayed Fluorescence in Donor–Acceptor Blends

2015 ◽  
Vol 119 (45) ◽  
pp. 25591-25597 ◽  
Author(s):  
Eric Hontz ◽  
Wendi Chang ◽  
Daniel N. Congreve ◽  
Vladimir Bulović ◽  
Marc A. Baldo ◽  
...  
Keyword(s):  
Delayed Fluorescence ◽  
Electron Hole ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Donor Acceptor

ON THE ROLE OF STACKING FAULTS IN SOME PROBLEMS OF GLIDE AND TWINNING IN CUBIC METALS

1967 ◽  
Vol 45 (2) ◽  
pp. 481-492 ◽  
Author(s):  
B. Escaig ◽  
G. Fontaine ◽  
J. Friedel
Keyword(s):  
Point Defects ◽  
Stacking Faults ◽  
Stacking Fault ◽  
Dislocation Network ◽  
Thermal Variation ◽  
Temperature Dependent ◽  
Cubic Metals ◽  
Thermally Activated ◽  
Stacking Fault Energies

The possible role of stacking faults is discussed in some problems of glide and twinning of cubic metals, especially at low temperatures.The first part analyzes a model for the thermal variation of macroyield in b.c.c. metals. If one assumes that the dislocations of such metals split along either the (110) or the (112) planes, the screw dislocations will be sessile. The strong temperature variation of macroyield could be due to the thermally activated slip of such screws, previously developed at lower stresses during the less temperature-dependent microyield. Reasonably high stacking-fault energies are required for satisfactory numerical fits.The second part studies the influence of a dense dislocation network on the propagation of a stacking fault. The friction force acting on the partial that propagates the fault must be taken into account when deducing a stacking-fault energy from the stress at which stacking faults develop in a strongly work-hardened (f.c.c.) metal. The trails of dipoles left at each tree crossed should prevent any creation of point defects; they should lead, after the faults have propagated some length, to its multiplication into a twin or martensitic lamella. The analogies with problems of slip bauds and dipole formation in easy glide are stressed.

scholarly journals Correction to Unveiling the Role of Langevin and Trap-Assisted Recombination in Long-Lifespan OLEDs Employing Thermally Activated Delayed Fluorophores

2019 ◽  
Vol 11 (6) ◽  
pp. 6663-6663
Author(s):  
Minghan Cai ◽  
Dongdong Zhang ◽  
Jingyi Xu ◽  
Xiangchen Hong ◽  
Chongguang Zhao ◽  
...  
Keyword(s):  
Thermally Activated

Strongly coupled hybrid nanostructures for selective hydrogen detection – understanding the role of noble metals in reducing cross-sensitivity

Nanoscale ◽  
2014 ◽  
Vol 6 (9) ◽  
pp. 4758-4764 ◽  
Author(s):  
Bin Liu ◽  
Daoping Cai ◽  
Yuan Liu ◽  
Dandan Wang ◽  
Lingling Wang ◽  
...  
Keyword(s):  
Gas Sensors ◽  
Noble Metals ◽  
Dft Calculation ◽  
Hybrid Nanostructures ◽  
Cross Sensitivity ◽  
Strongly Coupled ◽  
Thermally Activated ◽  
Calculation Results ◽  
Excellent Selectivity

New insights into the cross-sensitivity of gas sensors are provided based on experimental and DFT calculation results. Compared with traditional thermally activated sensors, the sensor based on the hybrid nanostructures exhibits high response and excellent selectivity towards hydrogen.

Sign in / Sign up

Export Citation Format

Share Document