Transparent Conductive Oxide Materials for Bifacial Heterojunction Back Contact Solar Cells

Takaya Sugiura, Nobuhiko Nakano

研究成果: Article査読

抄録

We assessed the performance of transparent conductive oxide (TCO) materials for use in the heterojunction back contact + (HBC+) solar cell. In addition to indium tin oxide (ITO), titanium dioxide (TiO2) and zinc oxide (ZnO) were evaluated as possible materials for the rear side of HBC+ solar cells. The results showed that the different optical and electrical parameters of the TCO materials affect the cell performance differently. Of the TCO materials that were assessed, the HBC+ cell with TiO2 delivered the best performance by increasing the power density by approximately 0.5 mW/cm2 (relative to our previous evaluation) under bifacial illumination conditions. The optical properties of the TCO materials were revealed to have the greatest effect on the cell performance, particularly on the rear-side performance. The optimal size of the rear metal area is affected by the properties of the TCO material, mainly by the resistive components, and an increase in the temperature does not affect the selection of the best TCO material.

本文言語English
ページ(範囲)3748-3752
ページ数5
ジャーナルIEEE Transactions on Electron Devices
69
7
DOI
出版ステータスPublished - 2022 7月 1

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 電子工学および電気工学

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