Enhancement of the photovoltaic performance in PbS nanocrystal: P3HT hybrid composite devices by post-treatment-driven ligand exchange

Jangwon Seo, Sung Jin Kim, Won Jin Kim, Rohit Singh, Marek Samoc, Alexander N. Cartwright, Paras N. Prasad

Research output: Contribution to journalArticle

83 Citations (Scopus)

Abstract

A methodology for achieving versatile and facile ligand exchange by post-fabrication chemical treatment in PbS nanocrystal:poly(3-hexylthiophene) (P3HT) hybrid composite photovoltaic devices is demonstrated. We report a considerable improvement of the photovoltaic performance after post-fabrication chemical treatment using acetic acid to produce PbS nanocrystals surrounded by short-length ligands. Annealing induced morphological and photovoltaic performance changes in the resulting composite devices were investigated as a function of the annealing time.

Original languageEnglish
Article number095202
JournalNanotechnology
Volume20
Issue number9
DOIs
StatePublished - May 8 2009
Externally publishedYes

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Nanocrystals
Ligands
Annealing
Fabrication
Composite materials
Acetic acid
Acetic Acid
poly(3-hexylthiophene)

ASJC Scopus subject areas

  • Bioengineering
  • Chemistry(all)
  • Electrical and Electronic Engineering
  • Mechanical Engineering
  • Mechanics of Materials
  • Materials Science(all)

Cite this

Enhancement of the photovoltaic performance in PbS nanocrystal : P3HT hybrid composite devices by post-treatment-driven ligand exchange. / Seo, Jangwon; Kim, Sung Jin; Kim, Won Jin; Singh, Rohit; Samoc, Marek; Cartwright, Alexander N.; Prasad, Paras N.

In: Nanotechnology, Vol. 20, No. 9, 095202, 08.05.2009.

Research output: Contribution to journalArticle

Seo, Jangwon ; Kim, Sung Jin ; Kim, Won Jin ; Singh, Rohit ; Samoc, Marek ; Cartwright, Alexander N. ; Prasad, Paras N. / Enhancement of the photovoltaic performance in PbS nanocrystal : P3HT hybrid composite devices by post-treatment-driven ligand exchange. In: Nanotechnology. 2009 ; Vol. 20, No. 9.
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