Efficiency enhancement of pyramidal Si solar cells with reduced graphene oxide hybrid electrodes

Wei Chen Tu, Chun Ying Huang, Chang Wen Fang, Ming Yi Lin, Wen Chieh Lee, Xiang Sheng Liu, Wu Yih Uen

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

Developing a transparent and cost-effective electrode for a textured and large-scale optoelectronic device is an important requirement for high-throughput products. Here, we propose a costly fabrication procedure using reduced graphene oxide (rGO) hybrid materials composed of rGO, Au nanoparticles (AuNPs) and Ag nanowires (AgNWs) top electrodes for structured Si solar cells via a spin coating method. This work overcomes the obstacle of graphene damage during the transferred process and provides a simple way to form largescale graphene-based films on textured surfaces. Due to the spin-coated rGO being uniform along with AgNW frameworks and plasmonic AuNPs, the pyramidal Si solar cell exhibits a significant improved efficiency of 10.75% compared with solar cells using pure rGO flakes as the top electrodes. Our study realizes the rGO hybrid materials deposited on a textured surface and has great potential for integration into transparent and structured devices for nextgeneration industrial production.

Original languageEnglish
Article number49LT02
JournalJournal of Physics D: Applied Physics
Volume49
Issue number49
DOIs
Publication statusPublished - 2016 Jan 1

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Acoustics and Ultrasonics
  • Surfaces, Coatings and Films

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