Journal ArticleDOI
Improved broadband antireflection in Schottky-like junction of conformal Al-doped ZnO layer on chemically textured Si surfaces
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TLDR
In this paper, chemically textured Si with improved absorption in the complete range of solar spectrum was investigated by ultraviolet/visible/near-infrared (UV/Vis/NIR) spectroscopy, showing an average specular reflectance of ∼ 0.4% in the wavelength of 500-3000nm.Abstract:
Chemically textured Si with improved absorption in the complete range of solar spectrum is investigated by ultraviolet/visible/near-infrared (UV/Vis/NIR) spectroscopy, showing an average specular reflectance of ∼0.4% in the wavelength of 500–3000 nm. The pyramidal structures on such solar-blind Si can reduce the reflectance further below 0.1% in the UV region by conformal growth of granular Al-doped ZnO (AZO) films. X-ray diffraction analyses suggest the growth of polycrystalline AZO on faceted-Si. Moreover, marginal increase in electrical conductivity of AZO is found on textured surfaces, whereas rise in leakage current in Schottky-like Ag/AZO/Si/Ag heterostructure devices is noticed with increasing Si surface area.read more
Citations
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Journal ArticleDOI
Achieving graded refractive index by use of ZnO nanorods/TiO2 layer to enhance omnidirectional photovoltaic performances of InGaP/GaAs/Ge triple-junction solar cells
Meng-Tsan Tsai,Zu Po Yang,Ting Shiuan Jing,Hsing Hua Hsieh,Hsing Hua Hsieh,Yung Chi Yao,Tai-Yuan Lin,Yang-Fang Chen,Ya Ju Lee +8 more
TL;DR: In this article, the authors theoretically and experimentally demonstrate high performance of antireflection (AR) coating composed of the ZnO nanorods (NRs) and TiO2 layers applied on InGaP/GaAs/Ge triple-junction solar cells.
Journal ArticleDOI
Optical absorption and photoluminescence of Ag interlayer modulated ZnO film in view of their application in Si solar cells
TL;DR: In this article, the effect on the optical absorption efficiency and photoluminescence properties of monolayer ZnO and multilayer ZNO/Ag/ZnO films as anti-reflection layers of Si substrates were investigated.
Journal ArticleDOI
Fabrication and Analysis of Chemically-Derived Graphene/Pyramidal Si Heterojunction Solar Cells
TL;DR: The fabrication technique for rGO-based devices has the merits of simplicity, large scale, high throughput and low cost, which is a new starting point in the direction of graphene-based material for the applications of next generation optoelectronics.
Journal ArticleDOI
Self-decorated Au nanoparticles on antireflective Si pyramids with improved hydrophobicity
TL;DR: In this paper, post-deposition annealing mediated evolution of selfdecorated Au nanoparticles (NPs) on chemically etched Si pyramids is presented, showing an increase in contact angle (CA) from 58° to 98° (± 1°).
Journal ArticleDOI
Influences of defects evolvement on the properties of sputtering deposited ZnO:Al films upon hydrogen annealing
TL;DR: In this paper, the effects of hydrogen annealing on the structural, optical and electrical properties of ZnO:Al films prepared by magnetron sputtering were studied, and it was shown that when films are annealed at ∼500 oC, the oxygenrelated defects (interstitials Oi, etc.) in the as-grown films can be remarkably removed or converted, which lead to increments in the carrier concentration, mobility, and the transmittance in the visible range.
References
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Journal ArticleDOI
Light management for photovoltaics using high-index nanostructures.
TL;DR: This Review discusses some of the recent developments in the design and implementation of such photonic elements in thin-film photovoltaic cells, including nanoscale wires, particles and voids.
Journal ArticleDOI
Absorption enhancement in ultrathin crystalline silicon solar cells with antireflection and light-trapping nanocone gratings.
TL;DR: A double-sided grating design is introduced, where the front and back surfaces of the cell are separately optimized for antireflection and light trapping, respectively, which yields a photocurrent close to the Yablonovitch limit.
Journal ArticleDOI
Anti-reflecting and photonic nanostructures
Surojit Chattopadhyay,Y.F. Huang,Y.F. Huang,Yi-Jun Jen,Abhijit Ganguly,Kuei-Hsien Chen,Kuei-Hsien Chen,Li-Chyong Chen +7 more
TL;DR: In this article, a review of state-of-the-art anti-reflecting (AR) techniques, reported over the last half a century, and their guiding principles to predict a logical trend for future research in this field are presented.
Journal ArticleDOI
Energy-conversion properties of vapor-liquid-solid-grown silicon wire-array photocathodes.
Shannon W. Boettcher,Joshua M. Spurgeon,Morgan C. Putnam,Emily L. Warren,Daniel B. Turner-Evans,Michael D. Kelzenberg,James R. Maiolo,Harry A. Atwater,Nathan S. Lewis +8 more
TL;DR: The inherent performance of these wires thus conceptually allows the development of efficient photovoltaic and photoelectrochemical energy-conversion devices based on a radial junction platform.
Book
Transparent conductive zinc oxide : basics and applications in thin film solar cells
TL;DR: In this article, the surface and interface properties of sputter-deposited ZnO-based thin films are investigated for thin-film solar cells and texture-etched ZnOs for Silicon Thin Film solar cells.
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