Single molecule solid state light emitting electrochemical cells with lifetimes superior to 3000 hours

Rubén D. Costa; Henk J. Bolink; Enrique Ortí; Michele Sessolo; Stefan Graber; Kevin Doyle; Markus Neuburger; Catherine E. Housecraft; Edwin C. Constable

Single molecule solid state light emitting electrochemical cells with lifetimes superior to 3000 hours

Rubén D. Costa, Henk J. Bolink, Enrique Ortí, Michele Sessolo, Stefan Graber, Kevin Doyle, Markus Neuburger, Catherine E. Housecraft, Edwin C. Constable

研究成果: Conference contribution

1 被引用数 (Scopus)

抄録

We will present a breakthrough in the stability of the simplest light-emitting electrochemical cells (LECs). The main drawback of these molecular devices limiting their practical use are their short lifetimes, which range from several minutes to a few days due to intrinsic instabilities of the ionic transition-metal complex (iTMC's). By using an ionic iridium(III) complex conveniently designed to form a supramolecularly-caged structure, we show that the lifetime of LECs can be increased to more than 3000 hours at an average luminance of 200 cd m^-2 while operating at a bias of only 3 volts. In order to reduce the turn-on time to a few minutes small amount of ionic liquid (IL) were added and short pulses of higher-voltage were applied at the start.

本文言語	English
ホスト出版物のタイトル	Organic and Hybrid Materials for Large-Area Functional Systems
ページ	61-67
ページ数	7
出版ステータス	Published - 2008
外部発表	はい
イベント	2008 MRS Fall Meeting - Boston, MA, United States 継続期間: 2008 12月 1 → 2008 12月 5

出版物シリーズ

名前	Materials Research Society Symposium Proceedings
巻	1114
ISSN（印刷版）	0272-9172

Conference

Conference	2008 MRS Fall Meeting
国/地域	United States
City	Boston, MA
Period	08/12/1 → 08/12/5

ASJC Scopus subject areas

材料科学（全般）
凝縮系物理学
材料力学
機械工学

他のファイルとリンク

引用スタイル

Costa, R. D., Bolink, H. J., Ortí, E., Sessolo, M., Graber, S., Doyle, K., Neuburger, M., Housecraft, C. E., & Constable, E. C. (2008). Single molecule solid state light emitting electrochemical cells with lifetimes superior to 3000 hours. In Organic and Hybrid Materials for Large-Area Functional Systems (pp. 61-67). (Materials Research Society Symposium Proceedings; Vol. 1114).

Costa, RD, Bolink, HJ, Ortí, E, Sessolo, M, Graber, S, Doyle, K, Neuburger, M, Housecraft, CE & Constable, EC 2008, Single molecule solid state light emitting electrochemical cells with lifetimes superior to 3000 hours. in Organic and Hybrid Materials for Large-Area Functional Systems. Materials Research Society Symposium Proceedings, vol. 1114, pp. 61-67, 2008 MRS Fall Meeting, Boston, MA, United States, 08/12/1.

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abstract = "We will present a breakthrough in the stability of the simplest light-emitting electrochemical cells (LECs). The main drawback of these molecular devices limiting their practical use are their short lifetimes, which range from several minutes to a few days due to intrinsic instabilities of the ionic transition-metal complex (iTMC's). By using an ionic iridium(III) complex conveniently designed to form a supramolecularly-caged structure, we show that the lifetime of LECs can be increased to more than 3000 hours at an average luminance of 200 cd m-2 while operating at a bias of only 3 volts. In order to reduce the turn-on time to a few minutes small amount of ionic liquid (IL) were added and short pulses of higher-voltage were applied at the start.",

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AU - Costa, Rubén D.

AU - Bolink, Henk J.

AU - Ortí, Enrique

AU - Sessolo, Michele

AU - Graber, Stefan

AU - Doyle, Kevin

AU - Neuburger, Markus

AU - Housecraft, Catherine E.

AU - Constable, Edwin C.

PY - 2008

Y1 - 2008

N2 - We will present a breakthrough in the stability of the simplest light-emitting electrochemical cells (LECs). The main drawback of these molecular devices limiting their practical use are their short lifetimes, which range from several minutes to a few days due to intrinsic instabilities of the ionic transition-metal complex (iTMC's). By using an ionic iridium(III) complex conveniently designed to form a supramolecularly-caged structure, we show that the lifetime of LECs can be increased to more than 3000 hours at an average luminance of 200 cd m-2 while operating at a bias of only 3 volts. In order to reduce the turn-on time to a few minutes small amount of ionic liquid (IL) were added and short pulses of higher-voltage were applied at the start.

AB - We will present a breakthrough in the stability of the simplest light-emitting electrochemical cells (LECs). The main drawback of these molecular devices limiting their practical use are their short lifetimes, which range from several minutes to a few days due to intrinsic instabilities of the ionic transition-metal complex (iTMC's). By using an ionic iridium(III) complex conveniently designed to form a supramolecularly-caged structure, we show that the lifetime of LECs can be increased to more than 3000 hours at an average luminance of 200 cd m-2 while operating at a bias of only 3 volts. In order to reduce the turn-on time to a few minutes small amount of ionic liquid (IL) were added and short pulses of higher-voltage were applied at the start.

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M3 - Conference contribution

AN - SCOPUS:77950510250

SN - 9781615677603

T3 - Materials Research Society Symposium Proceedings

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BT - Organic and Hybrid Materials for Large-Area Functional Systems

T2 - 2008 MRS Fall Meeting

Y2 - 1 December 2008 through 5 December 2008

ER -

Single molecule solid state light emitting electrochemical cells with lifetimes superior to 3000 hours

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出版物シリーズ

Conference

ASJC Scopus subject areas

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