Direct photopatternable organic-inorganic hybrid gate dielectric for solution-processed flexible ZnO thin film transistors

Yangho Jung, Taewhan Jun, Areum Kim, Keunkyu Song, Tae Hoon Yeo, Joo Ho Moon

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

A direct photopatternable organosiloxane-based organic-inorganic hybrid gate dielectric was synthesized. The sol-gel derived hybrid dielectric could be cured at a temperature sufficiently low enough to apply to temperature-sensitive polymeric substrates, whilst maintaining good electrical properties. The addition of hexa(methoxymethyl)melamine minimizes the polar silanol group by enhancing the cross-linking reaction and improves the film density, so that the resulting hybrid dielectric retains both thermal and chemical stability against the highly basic aqueous semiconductor precursor, forming a coherent interface between the dielectric and the semiconductor. The synthesized hybrid materials allow for a high-performance solution-processed flexible ZnO transistor on polymeric substrate at 150 °C.

Original languageEnglish
Pages (from-to)11879-11885
Number of pages7
JournalJournal of Materials Chemistry
Volume21
Issue number32
DOIs
Publication statusPublished - 2011 Aug 28

Fingerprint

Gate dielectrics
Thin film transistors
Semiconductor materials
Melamine
Hybrid materials
Chemical stability
Substrates
Sol-gels
Transistors
Electric properties
Thermodynamic stability
Temperature

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Chemistry

Cite this

Jung, Yangho ; Jun, Taewhan ; Kim, Areum ; Song, Keunkyu ; Yeo, Tae Hoon ; Moon, Joo Ho. / Direct photopatternable organic-inorganic hybrid gate dielectric for solution-processed flexible ZnO thin film transistors. In: Journal of Materials Chemistry. 2011 ; Vol. 21, No. 32. pp. 11879-11885.
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Direct photopatternable organic-inorganic hybrid gate dielectric for solution-processed flexible ZnO thin film transistors. / Jung, Yangho; Jun, Taewhan; Kim, Areum; Song, Keunkyu; Yeo, Tae Hoon; Moon, Joo Ho.

In: Journal of Materials Chemistry, Vol. 21, No. 32, 28.08.2011, p. 11879-11885.

Research output: Contribution to journalArticle

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