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Title: Influence of Chirped DBR Reflector on the Absorption Efficiency of Multi-nanolayer Photovoltaic Structures: Wavelength-scale Analysis by the Method of Single Expression, Journal of Telecommunications and Information Technology, 2017, nr 3

Creator:

Marciniak, Marian ; Knyazyan, Tamara ; Hovhannisyan, Tamara ; Baghdasaryan, Hovik ; Mardoyan, Gurgen ; Benson, Trevor

Date:

2017, nr 3

Resource Type:

artykuł

Description:

An electromagnetic wavelength-scale analysis of the optical characteristics of multi-nanolayer photovoltaic (PV) structures: without an antireflection coating, with an antireflection coating on the top of the structure, and with both the antireflection coating on the top and a broadband non-periodic (chirped) distributed Bragg reflector (DBR) on the bottom of the structure is performed. All the PV structures studied are based on a Si p-i-n type absorber supported by a metallic layer (Cu) and SiO2 substrate. The top-to-bottom electromagnetic analysis is performed numerically by the method of single expression (MSE). Absorbing and reflecting characteristics of the multi-nanolayer PV structures are obtained. The influence of the thicknesses and permittivities of the layers of the PV structures on the absorbing characteristics of the structures is analyzed to reveal favourable configurations for enhancement of their absorption efficiency. The localizations of the electric component of the optical field and the power flow distribution within all the PV structures considered are obtained to confirm an enhancement of the absorption efficiency in the favorable configuration. The results of the electromagnetic wavelength-scale analysis undertaken will have scientific and practical importance for optimizing the operation of thin-filmmulti-nanolayer PV structures incorporating a chirped DBR reflector with regards to enhancing their efficiency.

Publisher:

National Institute of Telecommunications

Format:

application/pdf

Resource Identifier:

ISSN 1509-4553, on-line: ISSN 1899-8852 ; oai:bc.itl.waw.pl:1996

Source:

Journal of Telecommunications and Information Technology

Language:

ang

Rights Management:

Biblioteka Naukowa Instytutu Łączności

Subject and keywords:

method of single expression electromagnetic modeling antireflection coating photovoltaics chirped distributed Bragg reflector multi-nanolayer photovoltaic structure

Object collections:

Last modified:

Nov 7, 2017

In our library since:

Nov 7, 2017

Number of object content hits:

64

All available object's versions:

https://bc.itl.waw.pl/publication/2275

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Edition name Date
Baghdasaryan, Hovik; Knyazyan, Tamara; Hovhannisyan, Tamara, Influence of Chirped DBR Reflector on the Absorption Efficiency of Multi-nanolayer Photovoltaic Structures: Wavelength-scale Analysis by the Method of Single Expression, Journal of Telecommunications and Information Technology, 2017, nr 3 Nov 7, 2017

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