Results 51 to 60 of about 1,907 (200)

Strained Carbon Nanotube (SCNT) Thin Layer Effect on GaAs Solar Cells Efficiency [PDF]

open access: yesJournal of Optoelectronical Nanostructures, 2020
In this paper, the effect of strain on the efficiency of GaAs solar cell isinvestigated. It has been shown that the applied strain during the synthesizing of carbonnanotubes (CNTs) leads to changing some of its physical properties.
S.N jafari, Abbas Ghadimi, s. rouhi
doaj  

Direct-bonded GaAs∕InGaAs tandem solar cell [PDF]

open access: yesApplied Physics Letters, 2006
A direct-bonded GaAs∕InGaAs solar cell is demonstrated. The direct-bonded interconnect between subcells of this two-junction cell enables monolithic interconnection without threading dislocations and planar defects that typically arise during lattice-mismatched epitaxial heterostructure growth.
Tanabe, Katsuaki   +4 more
openaire   +2 more sources

Structure‐Function Tailoring of Plasmonic Nanomaterials for Thin‐Film Photovoltaics

open access: yesCarbon Energy, EarlyView.
This review discusses the mechanisms and recent advancements of plasmonics in achieving effective light management to enhance the performance of thin‐film solar cells. It highlights applications in high‐performance perovskite solar cells and future‐oriented tandem solar cells.
Sen Jiang   +14 more
wiley   +1 more source

Damage Characteristics Analysis of Laser Ablation Triple-Junction Solar Cells Based on Electroluminescence Characteristics

open access: yesSensors
To study the physical property effects of the laser on GaInP/GaAs/Ge solar cells and their sub-cell layers, a pulsed laser with a wavelength of 532 nm was used to irradiate the solar cells under various energy conditions.
Wei Guo   +3 more
doaj   +1 more source

Enhancement in Power Conversion Efficiency of GaAs Solar Cells by Utilizing Gold Nanostar Film for Light-Trapping

open access: yesFrontiers in Chemistry, 2019
Light trapping, caused by the introduction of metallic nanoparticles, has been demonstrated to enhance photo-absorption in GaAs solar cells. In this study, we successfully synthesized gold nanostar thin film with hot spots and obtained a notable ...
Sheng-Qing Zhu   +5 more
doaj   +1 more source

Fe Atoms Accelerator Coupled With Oxygen Vacancies Channel Synergistically Boost OER Performance of Fe‐CoMoO4‐Ov Nanosheets

open access: yesCarbon Energy, EarlyView.
Fe‐CoMoO4‐Ov/NF demonstrates significantly improved OER catalytic performance compared to CoMoO4. Specifically, the introduced Fe atoms act as a promoter for surface reconstruction, significantly reducing the energy required for surface reconstruction to generate FeCoOOH. The oxygen vacancies serve as electron channels between the core Fe‐CoMoO4‐Ov and
Chaojie Lyu   +4 more
wiley   +1 more source

Photovoltaic Performance of a Nanowire/Quantum Dot Hybrid Nanostructure Array Solar Cell

open access: yesNanoscale Research Letters, 2018
An innovative solar cell based on a nanowire/quantum dot hybrid nanostructure array is designed and analyzed. By growing multilayer InAs quantum dots on the sidewalls of GaAs nanowires, not only the absorption spectrum of GaAs nanowires is extended by ...
Yao Wu, Xin Yan, Xia Zhang, Xiaomin Ren
doaj   +1 more source

Tandem Electrolysers for High‐Efficiency CO2‐to‐Acetate Conversion Driven by Full‐Spectrum Solar Energy

open access: yesCarbon Energy, EarlyView.
A full‐spectrum solar‐driven tandem electrolysis system enables efficient CO2‐to‐acetate conversion by spectrally splitting sunlight and coupling high‐temperature SOEC CO2‐to‐CO electrolysis with ambient CO reduction. The integrated design achieves a solar‐to‐acetate efficiency of 15.8%, demonstrating effective energy‐quality matching for solar carbon ...
Shangchun Su   +8 more
wiley   +1 more source

Boosting Bifacial Output Power of Ag‐CIGS Solar Cells by Optimizing ITO Back‐Contact Thickness for Tandem Applications

open access: yesCarbon Energy, EarlyView.
Optimized ITO back contact with pre‐Ga supply growth and Ag incorporation suppresses GaOx formation and interface recombination in bifacial CIGS solar cells. The devices achieve 17.25% front and 5.77% rear efficiency, delivering record bifacial power density up to 32.26 mW cm−2 in 4T perovskite/CIGS tandem architectures under enhanced albedo ...
Amanat Ali   +13 more
wiley   +1 more source

Guiding crack propagation in GaAs solar cells with four-pointed-star patterned GaAs/Si virtual substrate

open access: yesMaterials Research Express
This study reports experimental results for GaAs solar cells grown on patterned and unpatterned GaAs/Si virtual substrates. GaAs solar cells grown on Si commonly suffer from cracking induced by thermal-expansion mismatch during growth and cooldown.
Jei-Li Hou   +3 more
doaj   +1 more source

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