Direct band gap halide-double-perovskite absorbers for solar cells and light emitting diodes: Ab initio study of bulk and layers

2021 ◽  
Vol 5 (9) ◽  
Author(s):  
Anu Bala ◽  
Vijay Kumar
Keyword(s):  
Solar Cells ◽  
Ab Initio ◽  
Band Gap ◽  
Light Emitting Diodes ◽  
Double Perovskite ◽  
Ab Initio Study ◽  
Light Emitting ◽  
Direct Band Gap ◽  
Direct Band

Reabsorption effects on direct band gap emission from germanium light emitting diodes

2014 ◽  
Author(s):  
Yen-Yu Chen ◽  
Chia-Chun Yen ◽  
Yi-Hsin Nien ◽  
Wen-Wei Hsu ◽  
Qing-Qi Chen ◽  
...  
Keyword(s):  
Band Gap ◽  
Light Emitting Diodes ◽  
Light Emitting ◽  
Direct Band Gap ◽  
Direct Band

Room-temperature direct band-gap electroluminescence from germanium (111)-fin light-emitting diodes

2017 ◽  
Vol 56 (3) ◽  
pp. 032102 ◽  
Author(s):  
Kazuki Tani ◽  
Shin-ichi Saito ◽  
Katsuya Oda ◽  
Makoto Miura ◽  
Yuki Wakayama ◽  
...  
Keyword(s):  
Band Gap ◽  
Room Temperature ◽  
Light Emitting Diodes ◽  
Light Emitting ◽  
Direct Band Gap ◽  
Direct Band

Ab initio study of strained wurtzite InAs nanowires: engineering an indirect–direct band gap transition through size and uniaxial strain

RSC Advances ◽  
2015 ◽  
Vol 5 (109) ◽  
pp. 89993-90000 ◽  
Author(s):  
Shweta D. Dabhi ◽  
Prafulla K. Jha
Keyword(s):  
Density Functional Theory ◽  
Ab Initio ◽  
Band Gap ◽  
Density Functional ◽  
Ab Initio Study ◽  
Functional Theory ◽  
Direct Band Gap ◽  
Inas Nanowires ◽  
Direct Band ◽  
Strain Dependent

Size and strain dependent electronic properties of wurtzite InAs nanowires are investigated using density functional theory.

Direct Band-gap Electroluminescence from Strained n-Ge Light Emitting Diodes

2013 ◽  
Vol 50 (9) ◽  
pp. 305-308 ◽  
Author(s):  
P. Velha ◽  
K. F. Gallacher ◽  
D. C. Dumas ◽  
D. J. Paul ◽  
M. Myronov ◽  
...  
Keyword(s):  
Band Gap ◽  
Light Emitting Diodes ◽  
Light Emitting ◽  
Direct Band Gap ◽  
Direct Band

Lead-Free Direct Band Gap Double-Perovskite Nanocrystals with Bright Dual-Color Emission

2018 ◽  
Vol 140 (49) ◽  
pp. 17001-17006 ◽  
Author(s):  
Bin Yang ◽  
Xin Mao ◽  
Feng Hong ◽  
Weiwei Meng ◽  
Yuxuan Tang ◽  
...  
Keyword(s):  
Band Gap ◽  
Double Perovskite ◽  
Lead Free ◽  
Perovskite Nanocrystals ◽  
Direct Band Gap ◽  
Dual Color ◽  
Direct Band ◽  
Color Emission

Cs2TlBiI6: a new lead-free halide double perovskite with direct band gap

2019 ◽  
Vol 31 (44) ◽  
pp. 445902 ◽  
Author(s):  
Shruthi Nair ◽  
Mrinalini Deshpande ◽  
Vaishali Shah ◽  
Subhash Ghaisas ◽  
Sandesh Jadkar
Keyword(s):  
Band Gap ◽  
Double Perovskite ◽  
Lead Free ◽  
Direct Band Gap ◽  
Direct Band

scholarly journals Cs2NaGaBr6: a new lead-free and direct band gap halide double perovskite

RSC Advances ◽  
2020 ◽  
Vol 10 (30) ◽  
pp. 17444-17451 ◽  
Author(s):  
Yasir Saeed ◽  
Bin Amin ◽  
Haleema Khalil ◽  
Fida Rehman ◽  
Hazrat Ali ◽  
...  
Keyword(s):  
Band Gap ◽  
Double Perovskite ◽  
Lead Free ◽  
Direct Band Gap ◽  
Perovskite Materials ◽  
Direct Band

In this work, we have studied new double perovskite materials, A21+B2+B3+X61−, where A21+ = Cs, B2+ = Li, Na, B3+ = Al, Ga, In, and X61−.

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