scholarly journals Optical absorption of electronic Fe–Ti charge-transfer transition in natural andalusite: the thermal stability of the charge-transfer band

2010 ◽  
Vol 38 (3) ◽  
pp. 215-222 ◽  
Author(s):  
Michail N. Taran ◽  
Monika Koch-Müller
Keyword(s):  
Thermal Stability ◽  
Charge Transfer ◽  
Optical Absorption ◽  
Charge Transfer Band ◽  
Charge Transfer Transition ◽  
Thermal Stability Of

scholarly journals Molecular anchoring stabilizes low valence Ni(i)TPP on copper against thermally induced chemical changes

2020 ◽  
Vol 8 (26) ◽  
pp. 8876-8886
Author(s):  
Henning Maximilian Sturmeit ◽  
Iulia Cojocariu ◽  
Matteo Jugovac ◽  
Albano Cossaro ◽  
Alberto Verdini ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Charge Transfer ◽  
Copper Substrate ◽  
Surface Interaction ◽  
Chemical Changes ◽  
Thermally Induced ◽  
Thermal Stability Of ◽  
Molecule Surface

The strong molecule-surface interaction, followed by charge transfer at the interface, plays a fundamental role in the thermal stability of the layer by rigidly anchoring the porphyrin molecules to the copper substrate.

Thermal stability of some radiation damage products in X-irradiated NaClO3

1979 ◽  
Vol 57 (2) ◽  
pp. 128-131 ◽  
Author(s):  
V. S. Sivasankar ◽  
P. W. Whippey
Keyword(s):  
Thermal Stability ◽  
Electron Spin Resonance ◽  
Radiation Dose ◽  
Optical Absorption ◽  
Radiation Damage ◽  
Sodium Chlorate ◽  
X Rays ◽  
Optical Absorption Spectra ◽  
Spin Resonance ◽  
Thermal Stability Of

Single crystals of sodium chlorate have been exposed to X-rays, at 77 K. Thermoluminescence glow curves of the irradiated crystals have been recorded from 77 to 400 K. Optical absorption spectra and electron spin resonance spectra of the crystals subjected to radiation damage have also been recorded as a function of radiation dose, and at different stages of thermal annealing between 77 and 400 K. Using the optical and ESR data, the glow peaks at 173, 185, and 249 K have been identified as due to O2− in the vicinity of ClO3, ClO3, itself, and O2− adjacent to ClO2, respectively. The trapping parameters for these centers have been determined.

Thermal stability of radiation-induced optical absorption in quartz

1976 ◽  
Vol 19 (6) ◽  
pp. 780-782
Author(s):  
V. G. Zubov ◽  
N. G. Kirillova ◽  
N. D. Kundikova ◽  
L. P. Osipova
Keyword(s):  
Thermal Stability ◽  
Optical Absorption ◽  
Radiation Induced ◽  
Thermal Stability Of

scholarly journals Люминесценция дефектов F-типа и их термическая стабильность в сапфире, облученном импульсными ионными пучками

2020 ◽  
Vol 128 (2) ◽  
pp. 211
Author(s):  
Д.В. Ананченко ◽  
С.В. Никифоров ◽  
Г.Р. Рамазанова ◽  
Р.И. Баталов ◽  
Р.М. Баязитов ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Optical Absorption ◽  
Single Crystals ◽  
Ion Beam ◽  
Pulsed Cathodoluminescence ◽  
Ion Beam Treatment ◽  
Radiation Induced ◽  
The Stability ◽  
Induced Defects ◽  
Thermal Stability Of

Luminescence and thermal stability of defects formed in alpha-Al2O3 single crystals under pulsed ion beam treatment (C+/H+ ions with an energy 300 keV, pulse duration 80 ns) were investigated. This type of irradiation leads to the intensive generation of both single F- and F+-centers and more complex defects (F2-type aggregate centers or vacancy-impurity complexes) in alpha-Al2O3. It was confirmed by the results of optical absorption, photoluminescence, and pulsed cathodoluminescence measurements. The thermal stability of F-type defects formed in alpha-Al2O3 under the pulsed ion beam treatment is comparable to the stability of radiation-induced defects in neutron-irradiated samples.

Boosting the photovoltaic thermal stability of fullerene bulk heterojunction solar cells through charge transfer interactions

2017 ◽  
Vol 5 (45) ◽  
pp. 23662-23670 ◽  
Author(s):  
Carr Hoi Yi Ho ◽  
Huanyang Cao ◽  
Yong Lu ◽  
Tsz-Ki Lau ◽  
Sin Hang Cheung ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Solar Cells ◽  
Charge Transfer ◽  
Active Layer ◽  
Organic Solar Cells ◽  
Bulk Heterojunction ◽  
Heterojunction Solar Cells ◽  
Bulk Heterojunction Solar Cells ◽  
Charge Transfer Interaction ◽  
Thermal Stability Of

Charge transfer interaction of a donor polymer with an appropriate 9-fluorenylidene malononitrile derivative in the active layer leads to profoundly enhanced thermal stability of fullerene-based bulk heterojunction organic solar cells.

The Incorporation and Thermal Stability of Organic Dyes in Dialkylsiloxane-Oxide Matrices

1994 ◽  
Vol 346 ◽  
Author(s):  
John G. Darabi ◽  
W. R. Schmidt ◽  
G. Schwenke ◽  
R. K. MacCrone
Keyword(s):  
Thermal Stability ◽  
Optical Absorption ◽  
Absorption Maximum ◽  
Organic Dyes ◽  
Thermal Stabilities ◽  
Good Thermal Stability ◽  
Molar Ratios ◽  
Acid Catalyzed ◽  
Oxide Matrix ◽  
Thermal Stability Of

ABSTRACTThe dyes oxazine 725, 7-acetoxy-4-methyl coumarin, O-4-methylcoumarinyl-N-[3-(triethoxysilyl)-propyl] carbamate and 2′,7′-dichlorofluorescein were introduced during the acid-catalyzed cohydrolysis of various molar ratios of tetraethoxysilane (TEOS) and the gel modifers, diethoxydimethylsilane (DEDMS) or diethoxymethylvinylsilane (DEMVS). The morphological features and optical absorption spectra of the resulting dye doped gels were followed during subsequent drying and heating. For DEDMS-TEOS molar ratios less than 1.375, gel cracking during drying was a problem. DEDMS-TEOS molar ratios greater than 2.750 yielded optically transparent monoliths, but did not allow for sufficient incorporation of dye to be useful. However, the functionalized dye, 0-4-methylcoumarinyl-N-[3-(triethoxysilyl)-propyl] carbamate, appeared to be significantly more soluble in such a highly modified matrix. Compared to matrices derived from pure TEOS the DEDMS or DEMVS modified matrices provided oxazine 725 doped with improved thermal stabilities. Finally, the 2′,7′-dichlorofluorescein doped dimethylsiloxane-oxide matrix showed good thermal stability in its optical properties, having significant optical absorption and little change in the wavelength of the absorption maximum after heating to 300°C.

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