Optimizing the efficiency of organic solar cell under indoor light via controlling optical absorption

Premkumar Vincent, Jae Won Shim, Jin Hyuk Bae, Hyeok Kim

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

Indoor lighting is a major source of energy consumption in buildings. However, reusability of the power output from the light source can help to recycle a small portion of the expended power. Third generation solar cells, such as organic solar cells (OSC), and dye-sensitized solar cells (DSSC), are semi-transparent and can be fabricated on flexible substrates. These desirable characteristics make them suitable candidates to be employed in applications such as smart windows, low-light harvesting systems, and wireless sensor nodes. Illuminance of household lighting is usually in the range of 500 lux. Our researched focused on optimizing the device structure of a conventional OSC to maximize its power conversion efficiency (PCE). When illuminated under a 500 lux light emitting diode (LED) light source. We have integrated optical modelling with empirical fitting of experimental data to conclude the most optimized structure for the low-light harvesting indoor photovoltaic (IPV) device.

Original languageEnglish
Pages (from-to)85-89
Number of pages5
JournalMolecular Crystals and Liquid Crystals
Volume660
Issue number1
DOIs
StatePublished - 2 Jan 2018

Keywords

  • FDTD optical simulation
  • indoor photovoltaics
  • low-light energy harvesting
  • optimized solar cell structure
  • organic solar cells

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