On the ultra-miniaturization of concentrator solar cells

Alexis Vossier; Baruch Hirsch; Eugene A. Katz; Jeffrey M. Gordon

doi:10.1016/j.solmat.2010.12.053

On the ultra-miniaturization of concentrator solar cells

Alexis Vossier, Baruch Hirsch, Eugene A. Katz, Jeffrey M. Gordon

Ben-Gurion University of the Negev

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

Abstract

The trend of cell miniaturization in concentrator photovoltaics (CPV) currently in mm-scale and motivated by efficiency improvements linked to reduced series resistance begs the question whether fundamental energetic considerations limit ultra-miniaturization. Mitigating factors subsume the busbars and metallization grid, the contributions of which embody subtle tradeoffs and vary non-trivially as cell size is reduced evaluated via a distributed circuit simulation model, with some supporting experimental evidence. Concurrently, the influence of cell size on how metal grid design can lower series resistance is assessed, prompted by micro-concentrators that completely eliminate grid shadowing and allow far greater metallization coverage.

Original language	English
Pages (from-to)	1188-1192
Number of pages	5
Journal	Solar Energy Materials and Solar Cells
Volume	95
Issue number	4
DOIs	https://doi.org/10.1016/j.solmat.2010.12.053
State	Published - Apr 2011
Externally published	Yes

Keywords

Concentrator
Metallization
Miniaturization
Multijunction
Photovoltaics
Solar

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.solmat.2010.12.053

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abstract = "The trend of cell miniaturization in concentrator photovoltaics (CPV) currently in mm-scale and motivated by efficiency improvements linked to reduced series resistance begs the question whether fundamental energetic considerations limit ultra-miniaturization. Mitigating factors subsume the busbars and metallization grid, the contributions of which embody subtle tradeoffs and vary non-trivially as cell size is reduced evaluated via a distributed circuit simulation model, with some supporting experimental evidence. Concurrently, the influence of cell size on how metal grid design can lower series resistance is assessed, prompted by micro-concentrators that completely eliminate grid shadowing and allow far greater metallization coverage.",

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AU - Hirsch, Baruch

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AB - The trend of cell miniaturization in concentrator photovoltaics (CPV) currently in mm-scale and motivated by efficiency improvements linked to reduced series resistance begs the question whether fundamental energetic considerations limit ultra-miniaturization. Mitigating factors subsume the busbars and metallization grid, the contributions of which embody subtle tradeoffs and vary non-trivially as cell size is reduced evaluated via a distributed circuit simulation model, with some supporting experimental evidence. Concurrently, the influence of cell size on how metal grid design can lower series resistance is assessed, prompted by micro-concentrators that completely eliminate grid shadowing and allow far greater metallization coverage.

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KW - Metallization

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KW - Multijunction

KW - Photovoltaics

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On the ultra-miniaturization of concentrator solar cells

Abstract

Keywords

UN SDGs

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