Improvement of organic solar cells by anode buffer omposed of evaporated gold nanoparticles

Dan Wang, Noriaki Yukitake, Katsuhiko Fujita

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

We here report that evaporated gold islands with mean sizes of 2-3nm can enhance the hole injection at the anode/organic semiconductor in rganic devices. The enhancement was observed only after UV-ozone treatment. It was indicated by elemental analysis that the evaporated gold as partially oxidized by the treatment. The oxidized layer would act as an insulator to increase the work function of the electrode. By inserting a yper-branched polymer, the work function further increased. This method can also be employed in an anode buffer for organic solar cells to mprove the device performance.

Original languageEnglish
Article number100211
JournalJapanese journal of applied physics
Volume52
Issue number10 PART1
DOIs
Publication statusPublished - Oct 1 2013

Fingerprint

Anodes
anodes
buffers
solar cells
Gold
gold
Nanoparticles
nanoparticles
Semiconducting organic compounds
organic semiconductors
Ozone
ozone
insulators
injection
Electrodes
electrodes
augmentation
polymers
Polymers
Chemical analysis

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

Improvement of organic solar cells by anode buffer omposed of evaporated gold nanoparticles. / Wang, Dan; Yukitake, Noriaki; Fujita, Katsuhiko.

In: Japanese journal of applied physics, Vol. 52, No. 10 PART1, 100211, 01.10.2013.

Research output: Contribution to journalArticle

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