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

doi:10.1088/0957-4484/20/9/095202

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 journal › Article › peer-review

85 Scopus citations

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 language	English (US)
Article number	095202
Journal	Nanotechnology
Volume	20
Issue number	9
DOIs	https://doi.org/10.1088/0957-4484/20/9/095202
State	Published - May 8 2009
Externally published	Yes

ASJC Scopus subject areas

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

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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 journal › Article › peer-review

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