Optical properties of double-perovskite Sr3TeO6:Sm3+ reddish-orange emitting phosphors for w-LEDs

2021 ◽  
Vol 240 ◽  
pp. 118426
Author(s):  
Xuemei Yao ◽  
Yifan Zhong ◽  
Junzhi Che ◽  
Jun Chen ◽  
Fanhua Zeng ◽  
...  
Keyword(s):  
Optical Properties ◽  
Double Perovskite ◽  
Reddish Orange

Structural and optical properties of Sr2NiWO6 double perovskite

2021 ◽  
Author(s):  
Nur Amira Farhana Mohamed Saadon ◽  
Nurliyana Mohd Ali ◽  
Norazila Ibrahim ◽  
Zakiah Mohamed
Keyword(s):  
Optical Properties ◽  
Double Perovskite ◽  
Structural And Optical Properties

The synthesis of lead-free double perovskite Cs2Ag0.4Na0.6InCl6 phosphor with improved optical properties via ion doping

2022 ◽  
Vol 891 ◽  
pp. 161978
Author(s):  
Kangliang Peng ◽  
Lixin Yu ◽  
Xiao Min ◽  
Mengzhu Hu ◽  
Yaoyao Yang ◽  
...  
Keyword(s):  
Optical Properties ◽  
Double Perovskite ◽  
Lead Free ◽  
Ion Doping

Electronic, magnetic and optical properties of double perovskite Sr2CuIrO6

2021 ◽  
Vol 136 (1) ◽  
Author(s):  
Dafang He ◽  
Xue Du ◽  
Yuqing Liu ◽  
Huayue Mei ◽  
Hongkuan Yuan ◽  
...  
Keyword(s):  
Optical Properties ◽  
Double Perovskite

Improving Lead‐Free Double Perovskite Cs 2 NaBiCl 6 Nanocrystal Optical Properties via Ion Doping

2020 ◽  
Vol 8 (8) ◽  
pp. 1901919 ◽  
Author(s):  
Ming‐Ming Yao ◽  
Li Wang ◽  
Ji‐Song Yao ◽  
Kun‐Hua Wang ◽  
Chen Chen ◽  
...  
Keyword(s):  
Optical Properties ◽  
Double Perovskite ◽  
Lead Free ◽  
Ion Doping

Micro-structure, optical properties and ac conductivity of rare earth double perovskite oxides: Sr2ErNbO6

2013 ◽  
Vol 422 ◽  
pp. 78-82 ◽  
Author(s):  
Rajesh Mukherjee ◽  
Sadhan Chanda ◽  
Chandrahas Bharti ◽  
P. Sahu ◽  
T.P. Sinha
Keyword(s):  
Optical Properties ◽  
Rare Earth ◽  
Ac Conductivity ◽  
Double Perovskite ◽  
Perovskite Oxides ◽  
Micro Structure

scholarly journals OPTOELECTRONIC STUDY OF DOUBLE PEROVSKITE Rb2SnBr6: A FIRST PRINCIPLES CALCULATIONS

2020 ◽  
pp. 1-5
Author(s):  
MD. ABDUR RAZZAQ ◽  
TARIKUL ISLAM
Keyword(s):  
Optical Properties ◽  
Band Gap ◽  
Density Functional ◽  
Research Work ◽  
Double Perovskite ◽  
Incident Radiation ◽  
Lattice Parameter ◽  
Dielectric Constants ◽  
Ultraviolet Region ◽  
Ambient Conditions

The aim of this research work is to investigate the structural, mechanical, electronic and optical properties of double perovskite Rb2SnBr6 by density functional theory (DFT) calculations. The calculated lattice parameter is in sensible agreement with the on the market experimental information. From Paugh’s ductility index (B/G), it shows that Rb2SnBr6 is brittle at ambient conditions. The Zener anisotropy factor confirms the anisotropic nature of this compound. The calculated energy band structures indicate that Rb2SnBr6 is a direct band gap semiconductor, with the band gap of 1.228 eV using PBE potentials. In this work, the optical properties such as dielectric constants, refractive index, conductivity, extinction coefficient, loss function, and reflectivity have been studied and reported for radiation up to 20 eV. It is found that the reflectivity is about 50% in the ultraviolet (UV) region regions up to ~11 eV of incident radiation in the ultraviolet region.

scholarly journals Fabrication and characterization of Cs2SnI6 perovskite films using SnI2 and I2 powders as reactants

2021 ◽  
Author(s):  
Saad Ullah ◽  
Peixin Yang ◽  
Ghulam Abbas ◽  
Yongsheng Chen
Keyword(s):  
Optical Properties ◽  
Phase Stability ◽  
Double Perovskite ◽  
Photovoltaic Devices ◽  
Reaction Conditions ◽  
Step Process ◽  
Fabrication And Characterization ◽  
The Impact ◽  
Exceptional Stability

Abstract In the recent years, cesium tin iodide (Cs2SnI6) double perovskite has emerged as a research hotspot in photovoltaics due to its exceptional stability and outstanding optoelectronic properties. In this work, we have utilized a reactant combination of SnI2 and I2 to prepare uniform Cs2SnI6 films via modified two-step process. The impact of the reaction conditions on the structural, morphological and optical properties is explored. It is found that optimizing the reaction conditions improves the phase stability and morphology of the films. The iodine-rich fabrication of the films ensued in enhanced PL and optical characteristics of the Cs2SnI6 with an optimal bandgap in the range of 1.21-1.34 eV. Additionally, we constructed all-inorganic photovoltaic devices FTO/TiO2/Cs2SnI6/Carbon utilizing optimized Cs2SnI6 films.

Sign in / Sign up

Export Citation Format

Share Document