Engin Özkol , Maria M.R. Magalhães , Yifeng Zhao , Liqi Cao , Paula Perez-Rodriguez , Katarina Kovačević , Paul Procel , Manuel João Mendes , Miro Zeman , Olindo Isabella
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引用次数: 0
Abstract
In this work, we optimize cerium-doped indium oxide – ICO – thin films with respect to sputtering parameters such as oxygen flow, deposition pressure, applied RF power. Optimized 35-nm-thick ICO layer demonstrated a mobility of 44.22 cm2/Vs, a carrier concentration of 1.65 × 1020/cm3, and a resistivity of 8.56 × 10−4 Ω cm. Application of such layers into front/back contact silicon heterojunction (FBC-SHJ) solar cells enhanced the short-circuit current density (JSC) by 0.67 when compared to SHJ cell endowed with tin-doped indium oxide (ITO), respectively. This enhancement yielded an absolute power conversion efficiency (PCE) improvement of 0.55 %, reaching efficiencies of around 23.6 % for devices with ICO layers.
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Solar Energy Materials & Solar Cells is intended as a vehicle for the dissemination of research results on materials science and technology related to photovoltaic, photothermal and photoelectrochemical solar energy conversion. Materials science is taken in the broadest possible sense and encompasses physics, chemistry, optics, materials fabrication and analysis for all types of materials.
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