scholarly journals Illumination Intensity Dependence of the Recombination Mechanism in Mixed Perovskite Solar Cells

ChemPlusChem ◽  
2021 ◽  
Author(s):  
Alejandra Castro-Chong ◽  
Antonio Jesús Riquelme Expósito ◽  
Tom Aernouts ◽  
Laurence J. Bennet ◽  
Gerko Oskam ◽  
...  
Keyword(s):  
Solar Cells ◽  
Perovskite Solar Cells ◽  
Illumination Intensity ◽  
Recombination Mechanism ◽  
Intensity Dependence

scholarly journals Cs0.15FA0.85PbI3 perovskite solar cells for concentrator photovoltaic applications

2018 ◽  
Vol 6 (44) ◽  
pp. 21913-21917 ◽  
Author(s):  
Joel Troughton ◽  
Nicola Gasparini ◽  
Derya Baran
Keyword(s):  
Solar Cells ◽  
Perovskite Solar Cells ◽  
Standard Test ◽  
Illumination Intensity ◽  
Perovskite Materials ◽  
Test Conditions ◽  
Photovoltaic Applications

Recently developed, highly stable perovskite materials show promise for use in concentrator photovoltaics where the illumination intensity far exceeds standard test conditions.

The Mechanism for Defect Generation Studied by Photodegradation of A-Si:H Solar Cells Under Electrical Bias

1992 ◽  
Vol 258 ◽  
Author(s):  
Liyou Yang ◽  
L. Chen ◽  
J.Y. Hou ◽  
Y.M. Li
Keyword(s):  
Experimental Data ◽  
Solar Cells ◽  
Open Circuit ◽  
Recombination Mechanism ◽  
Free Hole ◽  
Intensity Dependence ◽  
Bimolecular Recombination ◽  
Electrical Bias ◽  
Trapped Electron ◽  
Open Circuit Condition

ABSTRACTThe light induced degradation of a-Si:H p-i-n solar cells under electrical bias has been systematically studied. By comparing the results with the light intensity dependence of cell degradation under open circuit condition, we show that the only recombination mechanism, which can be consistent with the experimental data in both cases, is based on the bimolecular recombination between a free hole and a trapped electron at the “weak” bond site. Other possibilities for defect creation are also pointed out.

scholarly journals Photon recycling in perovskite solar cells and its impact on device design

Nanophotonics ◽  
2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Waseem Raja ◽  
Michele De Bastiani ◽  
Thomas G. Allen ◽  
Erkan Aydin ◽  
Arsalan Razzaq ◽  
...  
Keyword(s):  
Solar Cells ◽  
Surface Plasmon ◽  
Radiative Recombination ◽  
Light Trapping ◽  
Perovskite Solar Cells ◽  
Localized Surface Plasmon ◽  
Design Strategies ◽  
Recombination Mechanism ◽  
Submicron Scale ◽  
Photon Recycling

Abstract Metal halide perovskites have emerged in recent years as promising photovoltaic materials due to their excellent optical and electrical properties, enabling perovskite solar cells (PSCs) with certified power conversion efficiencies (PCEs) greater than 25%. Provided radiative recombination is the dominant recombination mechanism, photon recycling – the process of reabsorption (and re-emission) of photons that result from radiative recombination – can be utilized to further enhance the PCE toward the Shockley–Queisser (S-Q) theoretical limit. Geometrical optics can be exploited for the intentional trapping of such re-emitted photons within the device, to enhance the PCE. However, this scheme reaches its fundamental diffraction limits at the submicron scale. Therefore, introducing photonic nanostructures offer attractive solutions to manipulate and trap light at the nanoscale via light coupling into guided modes, as well as localized surface plasmon and surface plasmon polariton modes. This review focuses on light-trapping schemes for efficient photon recycling in PSCs. First, we summarize the working principles of photon recycling, which is followed by a review of essential requirements to make this process efficient. We then survey photon recycling in state-of-the-art PSCs and propose design strategies to invoke light-trapping to effectively exploit photon recycling in PSCs. Finally, we formulate a future outlook and discuss new research directions in the context of photon recycling.

Probe of Field Collapse in a-Si:H Solar Cells

1996 ◽  
Vol 420 ◽  
Author(s):  
Qi Wang ◽  
Richard S. Crandall
Keyword(s):  
Solar Cells ◽  
Solar Cell ◽  
Light Intensity ◽  
Space Charge ◽  
Fill Factor ◽  
Illumination Intensity ◽  
Solar Cell Performance ◽  
Intensity Dependence ◽  
Low Levels ◽  
Good Agreement

AbstractWe study the effect of illumination intensity on solar cell performance in a-Si:H solar cells. We find that the fill factor strongly depends on light intensity. As we increase the illumination intensity from low levels to one sun we observe a decrease in fill factor of approximately 15% in as grown cells. We attribute this effect to electric field collapse inside the cell. We propose that photogenerated space charge (free and trapped charge) increases with light intensity and causes field collapse. We describe the origin of space charge and the associated capacitance - photocapacitance. We measure the photocapacitance as a barometer to probe the collapsed field. We obtain a good agreement between photocapacitance experiments and theory. We also explore the light intensity dependence of photocapacitance and explain the decrease of FF with the increasing light intensity.

scholarly journals Light Intensity Dependence of Performance of Lead Halide Perovskite Solar Cells

2017 ◽  
Vol 30 (5) ◽  
pp. 577-582 ◽  
Author(s):  
Maning Liu ◽  
Masaru Endo ◽  
Ai Shimazaki ◽  
Atsushi Wakamiya ◽  
Yasuhiro Tachibana
Keyword(s):  
Solar Cells ◽  
Light Intensity ◽  
Perovskite Solar Cells ◽  
Intensity Dependence ◽  
Halide Perovskite ◽  
Lead Halide
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