Hybrid tandem photovoltaic devices with a transparent conductive interconnecting recombination layer

Taehee Kim, Jin Young Choi, Jun Hong Jeon, Youn Su Kim, Bong Soo Kim, Doh Kwon Lee, Honggon Kim, Seunghee Han, Kyungkon Kim

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

We demonstrate hybrid tandem photovoltaic devices with a transparent conductive interconnecting recombination layer. The series-connected hybrid tandem photovoltaic devices were developed by combining hydrogenated amorphous silicon (a-Si:H) and polymer-based organic photovoltaics (OPVs). In order to enhance the interfacial connection between the subcells, we employed highly transparent and conductive indium tin oxide (ITO) thin layer. By using the ITO interconnecting layer, the power conversion efficiency of the hybrid tandem solar cell was enhanced from 1.0% (V OC = 1.041 V, J SC = 2.97 mA/cm 2, FF = 32.3%) to 2.6% (V OC = 1.336 V, J SC = 4.65 mA/cm 2, FF = 41.98%) due to the eliminated interfacial series resistance.

Original languageEnglish
Pages (from-to)3040-3043
Number of pages4
JournalMaterials Research Bulletin
Volume47
Issue number10
DOIs
StatePublished - Oct 2012

Bibliographical note

Funding Information:
This research was supported by the Pioneer Research Center Program through the National Research Foundation of Korea , funded by the Ministry of Education, Science and Technology and by KRCF (Korea Research Council of Fundamental Science & Technology) and KIST (Korea Institute of Science & Technology) for “NAP (National Agenda Project) program”.

Keywords

  • A. Amorphous materials
  • A. Electronic materials
  • A. Interfaces
  • B. Plasma deposition
  • B. Sputtering

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