Effective masses, electronic and optical properties of (111)-layered B-site deficient hexagonal perovskite Ba5M4O15 (M = Ta, Nb): a DFT study using HSE06

RSC Advances ◽  
2016 ◽  
Vol 6 (66) ◽  
pp. 61150-61161 ◽  
Author(s):  
Ehsan Zahedi ◽  
Mirabbos Hojamberdiev ◽  
Maged F. Bekheet

Density functional theory has been used to investigate crystal structure, effective masses, electronic and optical properties of (111)-layered B-site deficient hexagonal perovskite Ba5M4O15 (M = Ta, Nb) as UV-light-responsive photocatalysts.

2021 ◽  
pp. 413061
Author(s):  
Shahran Ahmed ◽  
Sadiq Shahriyar Nishat ◽  
Alamgir Kabir ◽  
A.K.M. Sarwar Hossain Faysal ◽  
Tarique Hasan ◽  
...  

2019 ◽  
Vol 43 (24) ◽  
pp. 9453-9457 ◽  
Author(s):  
Diwen Liu ◽  
Huijuan Jing ◽  
Rongjian Sa ◽  
Kechen Wu

To reduce the toxicity of Pb in perovskite solar cells, the structural stabilities, and electronic and optical properties of the mixed perovskites MAPb0.75B0.25I3(B = Mg, Ca, Sr, and Ba) were predicted using density functional theory.


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