Electronic band structure, optical absorption and photocatalytic activity of anatase doped with bismuth or carbon

2013 ◽  
Vol 548 ◽  
pp. 46-51 ◽  
Author(s):  
V.P. Zhukov ◽  
I.R. Shein ◽  
V.M. Zainullina
2013 ◽  
Vol 55 (9) ◽  
pp. 1903-1912 ◽  
Author(s):  
V. N. Krasil’nikov ◽  
V. P. Zhukov ◽  
L. A. Perelyaeva ◽  
I. V. Baklanova ◽  
I. R. Shein

2016 ◽  
Vol 32 (12) ◽  
pp. 2905-2912 ◽  
Author(s):  
Gang LI ◽  
◽  
Min-Qiang CHEN ◽  
Shi-Xiong ZHAO ◽  
Peng-Wei LI ◽  
...  

2013 ◽  
Vol 55 (12) ◽  
pp. 2450-2458 ◽  
Author(s):  
V. P. Zhukov ◽  
V. N. Krasil’nikov ◽  
L. A. Perelyaeva ◽  
I. V. Baklanova ◽  
I. R. Shein

2015 ◽  
Vol 3 (29) ◽  
pp. 15265-15273 ◽  
Author(s):  
Linlin Zhang ◽  
Long Tian ◽  
Yongxin Liu ◽  
Taixing Tan ◽  
Dan Liu ◽  
...  

Enhanced photocatalytic activities of tapered tetragonal nanorods of anatase TiO2 mediated by H2O2 and NH3 were ascribed to their large surface area, unique surface heterojunction and superior electronic band structure.


RSC Advances ◽  
2016 ◽  
Vol 6 (103) ◽  
pp. 101105-101114 ◽  
Author(s):  
H. Ait Ahsaine ◽  
A. El jaouhari ◽  
A. Slassi ◽  
M. Ezahri ◽  
A. Benlhachemi ◽  
...  

BWO and Lu-BWO were synthesized by coprecipitation method. Lu-BWO sample exhibits the highest visible-light-responsive photocatalytic performance for the degradation of MB. h+ and ˙O2− are the main active species in the photocatalytic degradation.


2010 ◽  
Vol 24 (31) ◽  
pp. 6049-6067 ◽  
Author(s):  
V. P. ZHUKOV ◽  
V. M. ZAINULLINA ◽  
E. V. CHULKOV

The effect of doping with boron, carbon and nitrogen on crystal lattice parameters, electronic band structure and optical absorption of anatase has been studied by means of an ab initio density functional theory approach. The investigations included optimization of crystal structure based on the pseudo-potential plane-wave approach. The spin-polarized calculations of the band structure with the account of on-site Coulomb correlations (LSDA+U) employing the tight-binding linear muffin-tin orbitals method (TB-LMTO) have also been performed. The evaluations of optical absorption were based on the calculations of dielectric function with local field effects taken into account. We find that the crystal lattice relaxation around the doping atoms produces noticeable changes in the band structure, magnetic state and optical properties of the doped compounds. The most considerable effects are the collapse of magnetic moment on carbon atom and an essential reduction of the optical absorption in the region of the impurity band — impurity band transitions. Comparing optical absorption for different kinds of doping and taking into account the intensity distribution of the solar light we come to the conclusion than the doping with boron is the most promising kind of doping for photocatalytic applications of the doped anatase.


2020 ◽  
Vol 512 ◽  
pp. 145744 ◽  
Author(s):  
M.S. Azami ◽  
A.A. Jalil ◽  
C.N.C. Hitam ◽  
N.S. Hassan ◽  
C.R. Mamat ◽  
...  

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