Blue Electroluminescence from Novel Silicon-Based Copolymers at Low Operating Voltages

Hwan Kyu Kim, Jin Sung Park, Ki Dong Kim, Sung Hyun Jung, Sae Chae Jeoung, Yong Hee Kim, Dongho Kim

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Novel silicon-based copolymers show the UV-visible strong absorption bands around 347-387 nm. Their maximum photoluminescence (PL) wavelengths for silicon-based copolymers appeared around 420-480 nm in the blue region. The present copolymers with a relatively short π-conjugation length exhibit blue light-emitting diodes (LED) at the low operating voltages, due to the reduction of the LUMO level in luminescent polymers by introducing silicon atoms in luminescent polymers as well as the d-orbital participation of silicon atoms.

Original languageEnglish
Pages (from-to)175-180
Number of pages6
JournalMolecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals
Volume327
DOIs
Publication statusPublished - 1999 Jan 1

Fingerprint

Electroluminescence
Silicon
electroluminescence
copolymers
Copolymers
Electric potential
electric potential
silicon
Polymers
Atoms
polymers
conjugation
Light emitting diodes
atoms
Absorption spectra
Photoluminescence
light emitting diodes
absorption spectra
photoluminescence
orbitals

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

Cite this

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abstract = "Novel silicon-based copolymers show the UV-visible strong absorption bands around 347-387 nm. Their maximum photoluminescence (PL) wavelengths for silicon-based copolymers appeared around 420-480 nm in the blue region. The present copolymers with a relatively short π-conjugation length exhibit blue light-emitting diodes (LED) at the low operating voltages, due to the reduction of the LUMO level in luminescent polymers by introducing silicon atoms in luminescent polymers as well as the d-orbital participation of silicon atoms.",
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Blue Electroluminescence from Novel Silicon-Based Copolymers at Low Operating Voltages. / Kim, Hwan Kyu; Park, Jin Sung; Kim, Ki Dong; Jung, Sung Hyun; Jeoung, Sae Chae; Kim, Yong Hee; Kim, Dongho.

In: Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals, Vol. 327, 01.01.1999, p. 175-180.

Research output: Contribution to journalArticle

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AU - Kim, Yong Hee

AU - Kim, Dongho

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