scholarly journals Thin-film semiconductor perspective of organometal trihalide perovskite materials for high-efficiency solar cells

2016 ◽  
Vol 101 ◽  
pp. 1-38 ◽  
Author(s):  
Zhengguo Xiao ◽  
Yongbo Yuan ◽  
Qi Wang ◽  
Yuchuan Shao ◽  
Yang Bai ◽  
...  
Keyword(s):  
Thin Film ◽  
Solar Cells ◽  
High Efficiency ◽  
Perovskite Materials ◽  
High Efficiency Solar Cells

High Efficiency Thin Film Silicon Solar Cells

2013 ◽  
Vol 750-752 ◽  
pp. 970-973
Author(s):  
Chun Rong Xue ◽  
Xia Yun Sun
Keyword(s):  
Thin Film ◽  
Solar Cells ◽  
Amorphous Silicon ◽  
Triple Junction ◽  
High Efficiency ◽  
Silicon Solar Cells ◽  
Cell Efficiency ◽  
High Efficiency Solar Cells ◽  
Alternative Material ◽  
Staebler Wronski Effect

High-efficiency solar cells based on amorphous silicon technology are designed. Multi-junction amorphous silicon solar cells are discussed, how these are made and how their performance can be understood and optimized. Although significant amount of work has been carried out in the last twenty-five years, the Staebler-Wronski effect has limited the development of a-Si:H solar cells. As an alternative material, nc-Si:H has attracted remarkable attention. Taking advantage of a lower degradation in nc-Si:H than a-Si:H and a-SiGe:H alloys, the light induced degradation in triple junction structures has been minimized by designing a bottom-cell-limited current mismatching, and obtained a stable active-area cell efficiency. All this has been investigated in this paper.

scholarly journals Surface Plasmon Enhanced Light Trapping in Metal/Silicon Nanobowl Arrays for Thin Film Photovoltaics

2017 ◽  
Vol 2017 ◽  
pp. 1-8 ◽  
Author(s):  
Ruinan Sun ◽  
Haoxin Fu ◽  
Jiang Wang ◽  
Yachun Wang ◽  
Xingchen Du ◽  
...  
Keyword(s):  
Thin Film ◽  
Solar Cells ◽  
High Efficiency ◽  
Light Trapping ◽  
Short Circuit ◽  
Silicon Solar Cells ◽  
Periodic Arrays ◽  
High Efficiency Solar Cells ◽  
Wide Range ◽  
Significant Cost Reduction

Enhancing the light absorption in thin film silicon solar cells with nanophotonic and plasmonic structures is important for the realization of high efficiency solar cells with significant cost reduction. In this work, we investigate periodic arrays of conformal metal/silicon nanobowl arrays (MSNBs) for light trapping applications in silicon solar cells. They exhibited excellent light-harvesting ability across a wide range of wavelengths up to infrared regimes. The optimized structure (MSNBsH) covered by SiO2 passivation layer and hemisphere Ag back reflection layer has a maximal short-circuit density (Jsc) 25.5 mA/cm2, which is about 88.8% higher than flat structure counterpart, and the light-conversion efficiency (η) is increased two times from 6.3% to 12.6%. The double-side textures offer a promising approach to high efficiency ultrathin silicon solar cells.

scholarly journals Absorption-Enhanced Ultra-Thin Solar Cells Based on Horizontally Aligned p–i–n Nanowire Arrays

Nanomaterials ◽  
2020 ◽  
Vol 10 (6) ◽  
pp. 1111 ◽  
Author(s):  
Xueguang Yuan ◽  
Xiaoyu Chen ◽  
Xin Yan ◽  
Wei Wei ◽  
Yangan Zhang ◽  
...  
Keyword(s):  
Thin Film ◽  
Refractive Index ◽  
Solar Cells ◽  
High Efficiency ◽  
Light Trapping ◽  
Nanowire Array ◽  
Three Dimensional ◽  
Absorption Enhancement ◽  
High Efficiency Solar Cells ◽  
Maximum Conversion Efficiency

A horizontally aligned GaAs p–i–n nanowire array solar cell is proposed and studied via coupled three-dimensional optoelectronic simulations. Benefiting from light-concentrating and light-trapping properties, the horizontal nanowire array yields a remarkable efficiency of 10.8% with a radius of 90 nm and a period of 5 radius, more than twice that of its thin-film counterpart with the same thickness. To further enhance the absorption, the nanowire array is placed on a low-refractive-index MgF2 substrate and capsulated in SiO2, which enables multiple reflection and reabsorption of light due to the refractive index difference between air/SiO2 and SiO2/MgF2. The absorption-enhancement structure increases the absorption over a broad wavelength range, resulting in a maximum conversion efficiency of 18%, 3.7 times higher than that of the thin-film counterpart, which is 3 times larger in GaAs material volume. This work may pave the way for the development of ultra-thin high-efficiency solar cells with very low material cost.

scholarly journals Photovoltaics with Emphasis on CdTe Solar Cells and Modules

2020 ◽  
Author(s):  
Alessio Bosio
Keyword(s):  
Thin Film ◽  
Solar Cells ◽  
High Efficiency ◽  
Inorganic Materials ◽  
Thin Film Solar Cells ◽  
Polycrystalline Thin Film ◽  
Photovoltaic Modules ◽  
Cdte Solar Cells ◽  
High Efficiency Solar Cells ◽  
Photovoltaic Technologies

A brief overview of the main photovoltaic technologies is chronologically presented. Single-crystal and multi-crystalline, epitaxial and thin film inorganic materials are widely used as absorbers in high efficiency solar cells and modules. A schematic representation of the principal devices developed in more then 70 years of research will be displayed and commented. Among thin-film technology, cadmium telluride (CdTe) has achieved a truly impressive development that can commercially compete with silicon, which is still the king of the market. Solar cells made on a laboratory scale have reached efficiencies close to 22%, while modules made with fully automated in-line machines show efficiencies above 18%. Based on the research developed in our laboratory, the fabrication processes of both CdTe polycrystalline thin-film solar cells and photovoltaic modules are critically discussed. The most common substrates, the constituent layers and their interaction, the interfaces and the different “tricks” commonly used for obtaining highly efficient devices will be analyzed. A realistic industrial production process will be analytically described.

Electron band tuning of organolead halide perovskite materials by methylammonium and formamidinium halide post-treatment for high-efficiency solar cells

2020 ◽  
Vol 56 (8) ◽  
pp. 1235-1238 ◽  
Author(s):  
Atsushi Kogo ◽  
Masayuki Chikamatsu
Keyword(s):  
Solar Cells ◽  
High Efficiency ◽  
Post Treatment ◽  
Bandgap Energy ◽  
Electron Band ◽  
Perovskite Materials ◽  
High Efficiency Solar Cells ◽  
Halide Perovskite ◽  
Organolead Halide

The bandgap energy of perovskite materials was tuned by post-treatment with methylammonium and formamidinium halides to improve the efficiency up to 20.06%.

CsPbBr3 and CH3NH3PbBr3 promote visible-light photo-reactivity

2018 ◽  
Vol 20 (24) ◽  
pp. 16847-16852
Author(s):  
Shankar Harisingh ◽  
Sujith Ramakrishnan ◽  
Michael Kulbak ◽  
Igal Levine ◽  
David Cahen ◽  
...  
Keyword(s):  
Solar Cells ◽  
Visible Light ◽  
Scientific Community ◽  
High Efficiency ◽  
Low Cost ◽  
Perovskite Materials ◽  
High Efficiency Solar Cells ◽  
Organic Lead ◽  
Halide Perovskite ◽  
Lead Halide

Inorganic and organic lead halide perovskite materials attract great interest in the scientific community because of their potential for low-cost, high efficiency solar cells.

Engineering of Perovskite Materials Based on Formamidinium and Cesium Hybridization for High-Efficiency Solar Cells

2019 ◽  
Vol 31 (5) ◽  
pp. 1620-1627 ◽  
Author(s):  
Daniel Prochowicz ◽  
Rashmi Runjhun ◽  
Mohammad Mahdi Tavakoli ◽  
Pankaj Yadav ◽  
Marcin Saski ◽  
...  
Keyword(s):  
Solar Cells ◽  
High Efficiency ◽  
Perovskite Materials ◽  
High Efficiency Solar Cells
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