Abstract

In this paper we demonstrate the use of self-assembled monolayer modified indium tin oxide (ITO) electrode in bulk heterojunction solar cell structure based on a photoactive layer of poly(3-hexylthiophene) and [6,6]-phenyl C61 butyric acid methyl ester (P3HT:PC61BM). The device studies show that there is a significant enhancement in the short-circuit current as well as in the shunt resistance on use of the hexamethyldisilazane (HMDS) layer. The enhancement in short-circuit current density is attributed to the good contact formed between the organic materials and the methyl groups of HMDS. A significant improvement in the external quantum efficiency is also observed in case of the HMDS modified ITO based solar cells.

Original languageEnglish (US)
Pages (from-to)98-102
Number of pages5
JournalSolar Energy Materials and Solar Cells
Volume124
DOIs
StatePublished - May 2014

Fingerprint

Self assembled monolayers
Tin oxides
Short circuit currents
Indium
Solar cells
Butyric acid
Quantum efficiency
Heterojunctions
Esters
Current density
Electrodes
Organic solar cells
indium tin oxide
hexamethylsilazane

Keywords

  • HMDS
  • Organic solar cells
  • SAM modified ITO

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Electronic, Optical and Magnetic Materials
  • Surfaces, Coatings and Films

Cite this

Self-assembled monolayer modified ITO in P3HT : PC61BM organic solar cells with improved efficiency. / Das, Sayantan; Joslin, Joseph; Alford, Terry.

In: Solar Energy Materials and Solar Cells, Vol. 124, 05.2014, p. 98-102.

Research output: Contribution to journalArticle

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