scholarly journals Nanocrystalline Porous Silicon: Structural, Optical, Electrical and Photovoltaic Properties

Author(s):  
Ma. Concepcin ◽  
Marina ◽  
Omar Martinez ◽  
Oscar H.
2012 ◽  
Vol 62 (9) ◽  
pp. 1283-1292
Author(s):  
Isam M Arafa ◽  
Hassan M El-Ghanem ◽  
Ahmad Lafi Ahmad

2015 ◽  
Vol 18 (4) ◽  
pp. 225-230 ◽  
Author(s):  
N. Mendoza-Agüero ◽  
V. Agarwal ◽  
H. I. Villafán-Vidales ◽  
J. Campos-Alvarez ◽  
P. J. Sebastian

Transparent and conductive Al doped zinc oxide (AZO) films were reactively sputtered from metallic targets onto macro-porous silicon (MPS) substrate to fabricate a heterojunction interface structure. A tungsten oxide (WO3) thin film was placed between metallic aluminum back contact and bulk silicon to extract photogenerated holes from the absorber. Due to the susceptibility of PS to naturally oxidize over the period of time, a thin film of SiO2 was thermally grown to stabilize the electrical response of the junction. Such thin layer acts as passive film to prevent recombination and is placed between the p-n junction. Photovoltaic properties of this heterojunction were studied by using the current density-voltage (J-V) measurement under AM 1.5 illumination. The experimental results show an increase in photovoltaic performance of AZO/MPS solar cell with a buffer layers of WO3. Such heterostructures are promising for the development of the low-cost, clean, and durable devices with appreciable light-to-electricity conversion efficiency.


2017 ◽  
Vol 1 (3) ◽  
pp. 652-657
Author(s):  
Hamid Ghorbani Shiraz

This study describes the fabrication and optimization procedure of porous silicon-based solar cells.


2020 ◽  
Vol 14 (9) ◽  
pp. 10650-10653
Author(s):  
Shaymaa H. Nawfal ◽  
Karrar A. Hammoodi

2018 ◽  
Vol 25 (05) ◽  
pp. 1850099 ◽  
Author(s):  
ZOUHIER BOUZNIF ◽  
AHMED ZARROUG ◽  
ZIED BEN HAMED ◽  
LOTFI DERBALI ◽  
HATEM EZZAOUIA

The aim of this paper is to study the effect of erbium oxide (Er2O3) on porous silicon (PS) wafers used for photovoltaic application. An immersion of PS wafers in Er2O3 solution can be used to enhance light trapping and form an efficient surface by passivation process. PS was prepared by the stain-etching method and doped by Er species. In fact, the topography was investigated by the scanning electron microscope (SEM). In addition, the spectral behaviors of the reflectivity and the photoluminescence were discussed. The dependence of minority carrier lifetime was evaluated by means of the Quasi-Steady-State Photoconductance technique (QSSPC). Besides, an enhancement in lifetime was observed. A framework is provided for estimating an efficiency improvement in studied films which will help to guide the development of improved energy-efficient.


Optik ◽  
2017 ◽  
Vol 138 ◽  
pp. 359-364 ◽  
Author(s):  
Mukhlis M. Ismail ◽  
Bassam G. Rasheed ◽  
Ali H. Al-Hamdani ◽  
Abdulhadi K. Judran

1993 ◽  
Vol 03 (C5) ◽  
pp. 355-358 ◽  
Author(s):  
G. FISHMAN ◽  
R. ROMESTAIN ◽  
J. C. VIAL

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