(N2)3−Radical Chemistry via Trivalent Lanthanide Salt/Alkali Metal Reduction of Dinitrogen: New Syntheses and Examples of (N2)2−and (N2)3−Complexes and Density Functional Theory Comparisons of Closed Shell Sc3+, Y3+, and Lu3+versus 4f9Dy3+

2011 ◽  
Vol 50 (4) ◽  
pp. 1459-1469 ◽  
Author(s):  
Ming Fang ◽  
Jefferson E. Bates ◽  
Sara E. Lorenz ◽  
David S. Lee ◽  
Daniel B. Rego ◽  
...  
RSC Advances ◽  
2016 ◽  
Vol 6 (83) ◽  
pp. 79485-79496 ◽  
Author(s):  
F. Y. Adeowo ◽  
B. Honarparvar ◽  
A. A. Skelton

This work investigates NOTA–alkali metal (Li+, Na+ and K+ and Rb+) complexation using density functional theory.


RSC Advances ◽  
2016 ◽  
Vol 6 (96) ◽  
pp. 94228-94235 ◽  
Author(s):  
Maria Maria ◽  
Javed Iqbal ◽  
Khurshid Ayub

The effect of alkali metal (Li, Na, and K) doping in aluminum nitride (Al12N12) nanocages is studied through density functional theory (DFT) methods.


2016 ◽  
Vol 4 (46) ◽  
pp. 10919-10934 ◽  
Author(s):  
Khurshid Ayub

Density functional theory calculations have been performed for alkali metal encapsulated X12Y12 nano-cages (X = B, Al and Y = N, P) to evaluate their stability, boundary crossing barriers and optical (linear and non-linear) properties.


1982 ◽  
Vol 60 (2) ◽  
pp. 210-221 ◽  
Author(s):  
M. J. Stott ◽  
E. Zaremba ◽  
D. Zobin

The quadrupole polarizability and Sternheimer antishielding factor have been calculated for selected closed-shell atoms and ions using the density functional theory. In most cases, the results agree favourably with coupled Hartree–Fock calculations. However, for atoms with valence (d-shells the local density approximation used in the calculations is found to be inadequate. Our results suggest that refinements to the exchange-correlation energy functional are required in order to obtain accurate values for the polarizability and shielding factor of (d-shell atoms within a density functional approach.


2015 ◽  
Vol 1131 ◽  
pp. 117-122
Author(s):  
Nikorn Shinsuphan ◽  
Sriprajak Krongsuk ◽  
Vittaya Amornkitbamrung

The photoluminescence properties of pristine adamantane molecule have been calculated by time-dependent density functional theory (TD-DFT) within the hybrid functional level. This study aims to investigate the luminescence properties of the pristine adamantane molecule and its functionalized with neutral and ion of alkali metal to form C10H16-nXn structure (where X is Li, Li+, Na and Na+ atoms, n=1). The electronic gap of the pristine adamantane (7.15 eV) is too wide, leading to an insulator property. While all the functionalized adamantanes exhibit semiconducting behavior. The absorption and emission energies of the original structure are 6.51 eV and 5.63 eV, respectively which are in good agreement with experimental results. The pure adamantane exhibits a broad photoluminescence peak in the ultraviolet region (UV). The Stokes shift of the transition between vertical and emission is 0.88 eV which agrees well with the previous work that measures the Stokes shift of 0.7 eV. The modification of adamantane indicates that the absorption and emission gaps substantially decreases. Substituting with alkali metal causes the photoluminescence onset can be shifted from the UV to the near-IR region. These results suggest that pure and the alkali metal functionalized adamantane molecules are promoting as candidate materials for the opto-electronic applications in the ultraviolet to infrared spectral regions.


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