Wavelength sensitive photodiodes in the visible based on J-type aggregated films patterned by inkjet method

Yu Yang, Soichiro Omi, Ryo Goto, Masayuki Yahiro, Masanao Era, Hirofumi Watanabe, Yuji Oki

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

In this study, a kind of disposable and miniaturized organic photodiodes in the visible has been developed based on the J-type aggregated cyanine dyes films by the drop-on-demand inkjet method. Wavelength sensitivity has been found by measuring the open-circuit voltage (Voc) of the organic photodiodes under the excitation of laser pulses at various wavelengths and high spectral resolution around the absorption peak of each cyanine dye J-aggregates can be obtained, where a sharp decrease on the Voc and a Voc in reverse direction are observed. The mechanism responsible for the sharp decrease and reverse Voc are discussed and the feasibility of using the laser output from a solid-state dye laser waveguide as the excitation source for the organic photodiodes which may be possibly integrated together onto the flow-cytometry chips in the future are also demonstrated.

Original languageEnglish
Pages (from-to)405-410
Number of pages6
JournalOrganic Electronics
Volume12
Issue number3
DOIs
Publication statusPublished - Jan 1 2011

Fingerprint

Photodiodes
photodiodes
Wavelength
Coloring Agents
Dyes
dyes
wavelengths
cytometry
Dye lasers
Flow cytometry
Spectral resolution
Open circuit voltage
laser outputs
solid state lasers
open circuit voltage
dye lasers
spectral resolution
excitation
Laser pulses
Waveguides

All Science Journal Classification (ASJC) codes

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

Cite this

Wavelength sensitive photodiodes in the visible based on J-type aggregated films patterned by inkjet method. / Yang, Yu; Omi, Soichiro; Goto, Ryo; Yahiro, Masayuki; Era, Masanao; Watanabe, Hirofumi; Oki, Yuji.

In: Organic Electronics, Vol. 12, No. 3, 01.01.2011, p. 405-410.

Research output: Contribution to journalArticle

Yang, Yu ; Omi, Soichiro ; Goto, Ryo ; Yahiro, Masayuki ; Era, Masanao ; Watanabe, Hirofumi ; Oki, Yuji. / Wavelength sensitive photodiodes in the visible based on J-type aggregated films patterned by inkjet method. In: Organic Electronics. 2011 ; Vol. 12, No. 3. pp. 405-410.
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