Electrical characteristics of silicon nanowires solar cells with surface roughness

2018 ◽  
Author(s):  
Mohamed A. Swillam ◽  
Salah Obayya ◽  
Mohamed Farahat ◽  
Mohamed Hussein
Keyword(s):  
Surface Roughness ◽  
Solar Cells ◽  
Silicon Nanowires ◽  
Electrical Characteristics

Experimental investigation and modelling of light scattering in a-Si:H solar cells deposited on glass/ZnO:Al substrates

2002 ◽  
Vol 715 ◽  
Author(s):  
J. Krc ◽  
M. Zeman ◽  
O. Kluth ◽  
F. Smole ◽  
M. Topic
Keyword(s):  
Surface Roughness ◽  
Experimental Investigation ◽  
Solar Cells ◽  
Angular Distribution ◽  
Light Scattering ◽  
Optical Model ◽  
Distribution Functions ◽  
Interface Roughness ◽  
Scattering Parameters ◽  
Good Agreement

AbstractThe descriptive scattering parameters, haze and angular distribution functions of textured ZnO:Al transparent conductive oxides with different surface roughness are measured. An approach to determine the scattering parameters of all internal interfaces in p-i-n a-Si:H solar cells deposited on the glass/ZnO:Al substrates is presented. Using the determined scattering parameters as the input parameters of the optical model, a good agreement between the measured and simulated quantum efficiencies of the p-i-n a-Si:H solar cells with different interface roughness is achieved.

Influence of Si Surface Roughness on Electrical Characteristics of MOSFET with HfON Gate Insulator Formed by ECR Plasma Sputtering

2014 ◽  
Vol E97.C (5) ◽  
pp. 413-418 ◽  
Author(s):  
Dae-Hee HAN ◽  
Shun-ichiro OHMI ◽  
Tomoyuki SUWA ◽  
Philippe GAUBERT ◽  
Tadahiro OHMI
Keyword(s):  
Surface Roughness ◽  
Gate Insulator ◽  
Electrical Characteristics ◽  
Ecr Plasma ◽  
Plasma Sputtering

scholarly journals Ultrathin Cu(In,Ga)Se2 Solar Cells with Ag/AlOx Passivating Back Reflector

Energies ◽  
2021 ◽  
Vol 14 (14) ◽  
pp. 4268
Author(s):  
Jessica de Wild ◽  
Gizem Birant ◽  
Guy Brammertz ◽  
Marc Meuris ◽  
Jef Poortmans ◽  
...  
Keyword(s):  
Surface Roughness ◽  
Solar Cells ◽  
Short Circuit ◽  
Short Circuit Current ◽  
Short Circuit Current Density ◽  
Open Circuit ◽  
Electron Microscopic ◽  
Current Increase ◽  
Time Resolved ◽  
Cigs Solar Cells

Ultrathin Cu(In,Ga)Se2 (CIGS) absorber layers of 550 nm were grown on Ag/AlOx stacks. The addition of the stack resulted in solar cells with improved fill factor, open circuit voltage and short circuit current density. The efficiency was increased from 7% to almost 12%. Photoluminescence (PL) and time resolved PL were improved, which was attributed to the passivating properties of AlOx. A current increase of almost 2 mA/cm2 was measured, due to increased light scattering and surface roughness. With time of flight—secondary ion mass spectroscopy, the elemental profiles were measured. It was found that the Ag is incorporated through the whole CIGS layer. Secondary electron microscopic images of the Mo back revealed residuals of the Ag/AlOx stack, which was confirmed by energy dispersive X-ray spectroscopy measurements. It is assumed to induce the increased surface roughness and scattering properties. At the front, large stains are visible for the cells with the Ag/AlOx back contact. An ammonia sulfide etching step was therefore applied on the bare absorber improving the efficiency further to 11.7%. It shows the potential of utilizing an Ag/AlOx stack at the back to improve both electrical and optical properties of ultrathin CIGS solar cells.

Electrical characteristics of amorphous Si:H/crystalline Si0.3Ge0.7 heterojunction solar cells grown on compositionally graded buffer layers

2015 ◽  
Vol 425 ◽  
pp. 162-166 ◽  
Author(s):  
Ryuji Oshima ◽  
Mitsuyuki Yamanaka ◽  
Hitoshi Kawanami ◽  
Isao Sakata ◽  
Koji Matsubara ◽  
...  
Keyword(s):  
Solar Cells ◽  
Buffer Layers ◽  
Electrical Characteristics ◽  
Heterojunction Solar Cells

Electrical characteristics and hot carrier effects in quantum well solar cells

2017 ◽  
Author(s):  
Dac-Trung Nguyen ◽  
Laurent Lombez ◽  
Francois Gibelli ◽  
Myriam Paire ◽  
Soline Boyer-Richard ◽  
...  
Keyword(s):  
Solar Cells ◽  
Quantum Well ◽  
Electrical Characteristics ◽  
Hot Carrier ◽  
Hot Carrier Effects

Graphene Nanoparticles Decorated Silicon Nanowires with Tungsten Oxide Counter Electrode for Quasi-Solid State Hybrid Solar Cells

2021 ◽  
Author(s):  
Ankita Kolay ◽  
Manoranjan Ojha ◽  
Melepurath Deepa
Keyword(s):  
Ionic Liquid ◽  
Solar Cells ◽  
Solid State ◽  
Tungsten Oxide ◽  
Silicon Nanowires ◽  
Counter Electrode ◽  
Near Infrared ◽  
Hybrid Solar Cells ◽  
Functionalized Graphene ◽  
Graphene Nanoparticles

Anchoring ionic liquid functionalized graphene nanoparticles (IL-GNP) to silicon nanowires (SiNW) improves the solar spectral utilization from visible to near infrared (NIR). Due to the bandgap of IL-GNP in the...

Persistent phenomena in the electrical characteristics of solar cells based on Cu(In,Ga)S2

2009 ◽  
Vol 6 (5) ◽  
pp. 1291-1294 ◽  
Author(s):  
A. Krysztopa ◽  
M. Igalson ◽  
N. Papathanasiou
Keyword(s):  
Solar Cells ◽  
Electrical Characteristics
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