The role of H2O in the electron transfer-activation of substrates using SmI2: insights from DFT

2016 ◽  
Vol 45 (9) ◽  
pp. 3706-3710 ◽  
Author(s):  
Xuefei Zhao ◽  
Lionel Perrin ◽  
David J. Procter ◽  
Laurent Maron

The first detailed theoretical study on the synthetically important electron transfer reductant SmI2–H2O has been conducted in the context of the activation of important alkyliodide, ketone, lactone and ester substrates, processes of importance in cross-coupling.

2017 ◽  
Vol 19 (16) ◽  
pp. 10511-10517 ◽  
Author(s):  
V. V. Golovanov ◽  
B. V. Nazarchuk ◽  
V. V. Golovanova ◽  
N. V. Tkachenko ◽  
T. T. Rantala

A theoretical study of a phthalocyanine molecule anchored on CdSe quantum dots demonstrated strong orientational effects and the important role of a linker in the photoinduced charge transfer between the components.


2020 ◽  
pp. 6-13
Author(s):  
V. K. Potemkin

The article presents the results of a theoretical study of the influence processes of the developed digital technologies and the activities of enterprises and organizations on the changing role of man in labor and their social improvement. The necessity of a balanced and consistent approach to create conditions for the use of digital technologies in practical activities and determining the con- sequences not only in enterprises and organizations, but also in the conscious behavior and social realities of all workers, without exception, is substantiated. The main directions of the development of digital technologies are determined, involving the wide participation of workers in their use in enterprises and organizations.


Materials ◽  
2021 ◽  
Vol 14 (14) ◽  
pp. 3913
Author(s):  
Aljawhara H. Almuqrin ◽  
Mohamed Hanfi ◽  
K. G. Mahmoud ◽  
M. I. Sayyed ◽  
Hanan Al-Ghamdi ◽  
...  

The radiation shielding competence was examined for a binary glass system xLa2O3 + (1 − x) TeO2 where x = 5, 7, 10, 15, and 20 mol% using MCNP-5 code. The linear attenuation coefficients (LACs) of the glasses were evaluated, and it was found that LT20 glass has the greatest LAC, while LT5 had the least LAC. The transmission factor (TF) of the glasses was evaluated against thicknesses at various selected energies and was observed to greatly decrease with increasing thickness; for example, at 1.332 MeV, the TF of the LT5 glass decreased from 0.76 to 0.25 as the thickness increased from 1 to 5 cm. The equivalent atomic number (Zeq) of the glasses gradually increased with increasing photon energy above 0.1 MeV, with the maximum values observed at around 1 MeV. The buildup factors were determined to evaluate the accumulation of photon flux, and it was found that the maximum values for both can be seen at around 0.8 MeV. This research concluded that LT20 has the greatest potential in radiation shielding applications out of the investigated glasses due to the glass having the most desirable parameters.


Author(s):  
Lars Mohrhusen ◽  
Jessica Kräuter ◽  
Katharina Al-Shamery

The photochemical conversion of organic compounds on tailored transition metal oxide surfaces by (UV) irradiation has found wide applications ranging from the production of chemicals to the degradation of organic...


Author(s):  
Jingwen Pan ◽  
Baoyu Gao ◽  
Pijun Duan ◽  
Kangying Guo ◽  
Muhammad Akram ◽  
...  

Nonradical pathway-based persulfate oxidation technology is considered to be a promising method for high-salinity organic wastewater treatment.


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