bismuth compound
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Author(s):  
Shiva Moaven ◽  
Brandon T. Watson ◽  
Thomas J. Polaske ◽  
Brian M. Karl ◽  
Daniel K. Unruh ◽  
...  

2021 ◽  
Author(s):  
Luke D Geoffrion ◽  
David Medina Cruz ◽  
Matthew Kusper ◽  
Sakr Elsaidi ◽  
Fumiya Watanabe ◽  
...  

Bismuth oxide is an important bismuth compound having applications in electronics, photo-catalysis and medicine. At the nanoscale, bismuth oxide experiences a variety of new physico-chemical properties because of its increased...


2020 ◽  
Vol 26 (34) ◽  
pp. 7711-7719 ◽  
Author(s):  
Robert D. Riley ◽  
Diane A. Dickie ◽  
Michael A. Land ◽  
Richard A. Kemp ◽  
Charles L. B. Macdonald ◽  
...  

2019 ◽  
Vol 19 (4) ◽  
pp. 299-306
Author(s):  
E. V. Lazareva ◽  
V. M. Bondareva ◽  
D. A. Svintsitskiy ◽  
T. Yu. Kardash

Physicochemical properties of modified MoVTeNbО catalysts are shown to depend strongly on the preparation procedure and the source of bismuth. Addition of a pH-neutral organic bismuth-containing compound at the stage of mixing initial component solutions is accompanied by precipitation and formation of inactive phase but not the necessary phase M1. Irrespectively of the nature of the initial bismuth compound, the introduction of it to the dry MoVTeNb precursor results in destruction of the latter and, as a consequence, in a lower content of phase M1 and the formation of binary V-Mo and Te-Mo oxides. In the reaction of oxidative dehydrogenation of ethane (ODE), the maximal yield of ethylene (76.5 %) is observed with the catalyst obtained by impregnation of calcined MoVTeNb oxide catalyst with a solution of an organobismuth compound. The same catalyst provides the yield of acrylic acid of ca. 48 %. Nevertheless, a more practicable method for preparation of bismuthcontaining catalysts is the addition of bismuth nitrate to the solution of the initial components; such an ODE catalyst provides the maximal yield of ethylene of ca. 76 %.


2017 ◽  
Vol 29 (7) ◽  
pp. 3314-3323 ◽  
Author(s):  
Ryan Groom ◽  
Allison Jacobs ◽  
Marisa Cepeda ◽  
Rachel Drummey ◽  
Susan E. Latturner
Keyword(s):  

2016 ◽  
Vol 4 (1) ◽  
pp. 1 ◽  
Author(s):  
Salah Daoud ◽  
Noudjoud Labgaa

<p>In the present work, we report first principles calculations of the pressure effect on the structural and electronic properties of Boron- Bismuth (BBi) compound in its zincblende phase. The pseudopotential plane wave (PPW) method in the framework of the density func-tional theory (DFT) within the local density approximation for the exchange-correlation functional, and the Hartwigzen-Goedecker-Hutter (HGH) scheme for the pseudopotential were used in the calculation. The unit cell volume, the molecular and crystal densities, the equation of state and also the linear and quadratic pressure coefficients of the energy band-gaps are investigated.</p>


Author(s):  
Salah Daoud ◽  
Nadhira Bioud ◽  
Noudjoud Labgaa ◽  
Rabie Mezouar

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