Development of highly efficient thin film silicon solar cells on texture-etched zinc oxide-coated glass substrates

Müller, J.; Kluth, O.; Wieder, S.; Siekmann, H.; Schöpe, G.; Reetz, W.; Vetterl, O.; Lundszien, D.; Lambertz, Andreas; Finger, F.; Rech, Bernd; Wagner, H.

doi:10.1016/s0927-0248(00)00184-7

Cited by 92 publications

(38 citation statements)

References 4 publications

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“…Usually a SiO 2 [46] or SiON x barrier layer grown between the glass and front electrode is used as an anti-reflection coating and as a barrier to sodium diffusion from the soda lime glass substrate. Since the front electrode of thin film silicon pin PV cell, must be both highly conductive and transparent for visible and infra-red light, transparent conducting oxides such as ZnO:Al [97], ZnO:B [30], ZnO:Ga [29] and SnO 2 :F [29,46] are used for this purpose. Additionally, the surface texture achieved on these front electrodes plays a crucial role in light management by enhancing photo-current generation and thus increasing the overall PCE [29,30,46,97].…”

Section: Pin Solar Cellsmentioning

confidence: 99%

“…Since the front electrode of thin film silicon pin PV cell, must be both highly conductive and transparent for visible and infra-red light, transparent conducting oxides such as ZnO:Al [97], ZnO:B [30], ZnO:Ga [29] and SnO 2 :F [29,46] are used for this purpose. Additionally, the surface texture achieved on these front electrodes plays a crucial role in light management by enhancing photo-current generation and thus increasing the overall PCE [29,30,46,97]. At the rear of the PV cell, a dielectric layer is required to increase the reflectivity of the metal reflector and to prevent the diffusion of metal ions from the back reflector into the silicon [98,99].…”

Section: Pin Solar Cellsmentioning

confidence: 99%

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Applications of Oxide Coatings in Photovoltaic Devices

Calnan

2014

Coatings

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Metalloid and metal based oxides are an almost unavoidable component in the majority of solar cell technologies used at the time of writing this review. Numerous studies have shown increases of ≥1% absolute in solar cell efficiency by simply substituting a given layer in the material stack with an oxide. Depending on the stoichiometry and whether other elements are present, oxides can be used for the purpose of light management, passivation of electrical defects, photo-carrier generation, charge separation, and charge transport in a solar cell. In this review, the most commonly used oxides whose benefits for solar cells have been proven both in a laboratory and industrial environment are discussed. Additionally, developing trends in the use of oxides, as well as newer oxide materials, and deposition technologies for solar cells are reported.

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Section: Pin Solar Cellsmentioning

confidence: 99%

Section: Pin Solar Cellsmentioning

confidence: 99%

Applications of Oxide Coatings in Photovoltaic Devices

Calnan

2014

Coatings

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“…Hydrogenated amorphous silicon (a-Si:H) is a favorite candidate for executing cutting edge thin-film solar cell. In any case, it has a weak absorption of longer wavelength range due to their backhanded material properties, which likewise restrains the general power conversion efficiency (Zeman et al 2000;Muller et al 2001;Green 2006;Hsu et al 2011;Kim et al 2011;Dubey et al 2014;Barugkin et al 2016). In thin-film solar cell utilizing hydrogenated amorphous silicon, the active layer cannot be made thick because of their incited light degradation issue, so it must be thinner (as a rule \320 nm) (Jovanov et al 2013a, b al.…”

Section: Introductionmentioning

confidence: 99%

“…As of late, different light-trapping systems have been severely contemplated where texturing at the surface of the solar cell assumes an explicit part in dispersing and diffracting the incident light through the solar cell structure Ferry et al 2009Ferry et al , 2010Escarre et al 2011;Jovanov et al 2017). Texturing at the front and back interfaces permits to build light diffusing, optical path length without expanding optical losses, the productive coupling of light, and total reflection of the solar cell (Zeman et al 2000;Muller et al 2001;Jovanov et al 2013b). The optical path length of a material with a refractive record of n is enhanced by a component 4n 2 which has a huge impact making a high-efficiency solar cell (Ferry et al 2010;Escarre et al 2011).…”

Section: Introductionmentioning

confidence: 99%

Effect of back reflectors on photon absorption in thin-film amorphous silicon solar cells

et al. 2017

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In thin-film solar cells, the photocurrent conversion productivity can be distinctly boosted-up utilizing a proper back reflector. Herein, the impact of different smooth and textured back reflectors was explored and effectuated to study the optical phenomena with interface engineering strategies and characteristics of transparent contacts. A unique type of wet-chemically textured glasssubstrate 3D etching mask used in superstrate (p-i-n) amorphous silicon-based solar cell along with legitimated back reflector permits joining the standard light-trapping methodologies, which are utilized to upgrade the energy conversion efficiency (ECE). To investigate the optical and electrical properties of solar cell structure, the optical simulations in three-dimensional measurements (3D) were performed utilizing finite-difference time-domain (FDTD) technique. This design methodology allows to determine the power losses, quantum efficiencies, and short-circuit current densities of various layers in such solar cell. The short-circuit current densities for different reflectors were varied from 11.50 to 13.27 and 13.81 to 16.36 mA/cm 2 for the smooth and pyramidal textured solar cells, individually. Contrasted with the comparable flat reference cell, the short-circuit current density of textured solar cell was increased by around 24%, and most extreme outer quantum efficiencies rose from 79 to 86.5%. The photon absorption was fundamentally improved in the spectral region from 600 to 800 nm with no decrease of photocurrent shorter than 600-nm wavelength. Therefore, these optimized designs will help to build the effective plans next-generation amorphous silicon-based solar cells.

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“…Therefore, one needs to enhance light absorption in the material. One way to do this is to use texturing leading to light trapping [8]. A popular texturing method is to use textured silver back reflector [9] followed by a ZnO layer, the combination of which increases light trapping.…”

Section: Introductionmentioning

confidence: 99%

Novel R2R Manufacturable Photonic-Enhanced Thin Film Solar Cells; January 28, 2010 -- January 31, 2011

Slafer¹,

Dalal²

2012

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Development of highly efficient thin film silicon solar cells on texture-etched zinc oxide-coated glass substrates

Cited by 92 publications

References 4 publications

Applications of Oxide Coatings in Photovoltaic Devices

Applications of Oxide Coatings in Photovoltaic Devices

Effect of back reflectors on photon absorption in thin-film amorphous silicon solar cells

Novel R2R Manufacturable Photonic-Enhanced Thin Film Solar Cells; January 28, 2010 -- January 31, 2011

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