A multifunction heterojunction formed between pentacene and a single-crystal silicon nanomembrane

Jung Hun Seo, Tae Yeon Oh, Jung ho Park, Weidong Zhou, Byeong Kwon Ju, Zhenqiang Ma

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

A mesh patterned n-type single-crystalline silicon nanomembrane (SiNM) created from a silicon-on-insulator (SOI) wafer is complementally combined with a p-type pentacene layer to form a heterogeneous p-n junction on a flexible plastic substrate. Excellent rectifying characteristics are obtained from the heterogeneous p-n diode. The diode also exhibits photosensitivity at visible wavelengths with a photo-to-dark current ratio exceeding four orders, a responsivity of 0.7 A/W, and an external quantum efficiency of 21.9% at 633 nm. Over 60% average transmittance in the visible spectrum is measured from the heterogeneous multilayer junction on a plastic substrate. Outstanding mechanical bending characteristics are observed with up to 1.08% of strain applied to the diode. These results suggest that organic-inorganic heterogeneous integration may be a viable strategy to build flexible organic-inorganic heterojunction devices and thus enable a number of novel multifunctional applications.

Original languageEnglish
Pages (from-to)3398-3403
Number of pages6
JournalAdvanced Functional Materials
Volume23
Issue number27
DOIs
Publication statusPublished - 2013 Jul 19

Fingerprint

Silicon
Heterojunctions
heterojunctions
Diodes
diodes
Single crystals
single crystals
silicon
plastics
Plastics
heterojunction devices
Photosensitivity
Dark currents
photosensitivity
Substrates
dark current
visible spectrum
p-n junctions
Quantum efficiency
quantum efficiency

ASJC Scopus subject areas

  • Biomaterials
  • Electrochemistry
  • Condensed Matter Physics
  • Electronic, Optical and Magnetic Materials

Cite this

A multifunction heterojunction formed between pentacene and a single-crystal silicon nanomembrane. / Seo, Jung Hun; Oh, Tae Yeon; Park, Jung ho; Zhou, Weidong; Ju, Byeong Kwon; Ma, Zhenqiang.

In: Advanced Functional Materials, Vol. 23, No. 27, 19.07.2013, p. 3398-3403.

Research output: Contribution to journalArticle

Seo, Jung Hun ; Oh, Tae Yeon ; Park, Jung ho ; Zhou, Weidong ; Ju, Byeong Kwon ; Ma, Zhenqiang. / A multifunction heterojunction formed between pentacene and a single-crystal silicon nanomembrane. In: Advanced Functional Materials. 2013 ; Vol. 23, No. 27. pp. 3398-3403.
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