Electrical and photoelectrical properties of P3HT/n-Si hybrid organic-inorganic heterojunction solar cells

V. V. Brus, M. Zellmeier, X. Zhang, S. M. Greil, M. Gluba, A. J. Töfflinger, J. Rappich, N. H. Nickel

Research output: Contribution to journalArticlepeer-review

25 Citations (Scopus)

Abstract

A detail analysis of electrical and photoelectrical properties of hybrid organic-inorganic heterojunction solar cells poly(3-hexylthiophene) (P3HT)/n-Si, fabricated by spin-coating of the polymeric thin film onto oxide passivated Si(1 0 0) surface, was carried out within the temperature ranging from 283 to 333 K. The dominating current transport mechanisms were established to be the multistep tunnel-recombination and space charge limited current at forward bias and leakage current through the shunt resistance at reverse bias. A simple approach was developed and successfully applied for the correct analysis of the high frequency C-V characteristics of hybrid heterojunction solar cells. The P3HT/n-Si solar cell under investigation possessed the following photoelectric parameters: Jsc = 16.25 mA/cm2, Voc = 0.456 V, FF = 0.45, η = 3.32% at 100 mW/cm2 AM 1.5 illumination. The light dependence of the current transport mechanisms through the P3HT/n-Si hybrid solar cells is presented quantitatively and discussed in detail.

Original languageEnglish
Pages (from-to)3109-3116
Number of pages8
JournalOrganic Electronics
Volume14
Issue number11
DOIs
Publication statusPublished - 2013
Externally publishedYes

Keywords

  • Current transport
  • Heterojunction
  • Hybrid solar cell
  • Quantum efficiency

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry
  • Electrical and Electronic Engineering

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