scholarly journals Exploring excitonic signal in optical conductivity of ZnO through first-order electron-hole vertex correction

2018 ◽  
Vol 1011 ◽  
pp. 012073
Author(s):  
Humaira Khoirunnisa ◽  
Muhammad Aziz Majidi
Keyword(s):  
Optical Conductivity ◽  
Vertex Correction ◽  
Electron Hole ◽  
First Order

scholarly journals Quantum many-body effects on Rydberg excitons in cuprous oxide

2021 ◽  
Author(s):  
D. Semkat ◽  
H. Fehske ◽  
H. Stolz
Keyword(s):  
Perturbation Theory ◽  
Oscillator Strength ◽  
Cuprous Oxide ◽  
Many Body ◽  
Electron Hole ◽  
First Order ◽  
Electron Hole Plasma ◽  
Plasma Line ◽  
Many Body Effects ◽  
First Order Perturbation

AbstractWe investigate quantum many-body effects on Rydberg excitons in cuprous oxide induced by the surrounding electron-hole plasma. Line shifts and widths are calculated by full diagonalisation of the plasma Hamiltonian and compared to results in first order perturbation theory, and the oscillator strength of the exciton lines is analysed.

scholarly journals Effect of electron-hole asymmetry on optical conductivity in 8−Pmmn borophene

2017 ◽  
Vol 96 (15) ◽  
Author(s):  
Sonu Verma ◽  
Alestin Mawrie ◽  
Tarun Kanti Ghosh
Keyword(s):  
Optical Conductivity ◽  
Electron Hole

scholarly journals Facile Fabrication of g-C3N4/Fe3O4 Photocatalyst with Enhanced Visible-Light Photocatalytic Activity towards the Degradation of Tartrazine Dye

2021 ◽  
Vol 33 (10) ◽  
pp. 2293-2300
Author(s):  
S. Nikhil ◽  
R. Arunadevi ◽  
Krishna Veni ◽  
C. Sudhakar ◽  
A. Karthika ◽  
...  
Keyword(s):  
Photocatalytic Performance ◽  
Precipitation Method ◽  
Electron Hole ◽  
First Order ◽  
First Order Kinetics ◽  
Electron Hole Pair ◽  
Facile Fabrication ◽  
Pair Generation ◽  
Ft Ir ◽  
Co Precipitation

The removal of tartrazine dye from aqueous solution using g-C3N4/Fe3O4 nanocomposites was studied. The g-C3N4/Fe3O4 nanocomposites were synthesized using simple co-precipitation method. The synthesized nanocomposites were characterized by spectral (UV-Vis DRS, FT-IR) and analytical (PXRD, SEM, EDAX, HRTEM) techniques. Photodegradation of tartrazine dye using the synthesized catalyst was studied. The g-C3N4/Fe3O4 nanocomposites exhibited excellent photocatalytic performance by degrading tartrazine (90%) at 0.1 g/L of catalyst and 20 μM initial dye concentration at pH 3. The excellent performance by the catalyst was attributed to the highest electron hole pair generation. The kinetic study revealed that the photodegradation of tartrazine obeyed pseudo first-order kinetics.

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