Molecular self-assembly routes to electroluminescent multilayer structures

Weijin Li; Joshua E. Malinsky; Homer Chou; Wuping Ma; Lifeng Geng; Tobin J Marks; Ghassan E. Jabbour; Sean E. Shaheen; Bernard Kippelen; Nasser Peyghambarian; Pulak Dutta; Andrew G. Richter; Neal R. Armstrong; Paul A. Lee; Jeffrey D. Anderson

Molecular self-assembly routes to electroluminescent multilayer structures

Weijin Li, Joshua E. Malinsky, Homer Chou, Wuping Ma, Lifeng Geng, Tobin J Marks, Ghassan E. Jabbour, Sean E. Shaheen, Bernard Kippelen, Nasser Peyghambarian, Pulak Dutta, Andrew G. Richter, Neal R. Armstrong, Paul A. Lee, Jeffrey D. Anderson

Northwestern University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Citations (Scopus)

Abstract

Self-limiting siloxane chemisorptive self-assembly approaches have been employed to construct multilayer organic LED (OLED) structures. Extensive characterization of the deposition of a prototype triaryamine hole transport layer precursor on ITO using ellipsometry, X-ray reflectivity, AFM, XPS, and cyclic voltammetry reveal that smooth, contiguous, pinhole-free multilayer structures can be sequentially built up angstrom-level precision. Vapor deposition of a conventional emissive/electron transport layer and a metal electrode on the self-assembled HTL structure yields stable OLED structures with low turn-on voltages, high light output, and good external quantum efficiencies. Finally, self-assembly of an emissive layer on an ITO/HTL structure, followed by a LiF buffer layer and metal electrode, affords the first totally self-assembled two-layer OLED devices which emit continuous blue light.

Original language	English
Title of host publication	American Chemical Society, Polymer Preprints, Division of Polymer Chemistry
Editors	Anon
Publisher	ACS
Pages	1083-1084
Number of pages	2
Volume	39
Edition	2
Publication status	Published - Aug 1998
Event	Proceedings of the 1997 Boston Meeting - Boston, MA, USA Duration: Aug 23 1998 → Aug 27 1998

Other

Other	Proceedings of the 1997 Boston Meeting
City	Boston, MA, USA
Period	8/23/98 → 8/27/98

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ASJC Scopus subject areas

Polymers and Plastics

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Li, W., Malinsky, J. E., Chou, H., Ma, W., Geng, L., Marks, T. J., Jabbour, G. E., Shaheen, S. E., Kippelen, B., Peyghambarian, N., Dutta, P., Richter, A. G., Armstrong, N. R., Lee, P. A., & Anderson, J. D. (1998). Molecular self-assembly routes to electroluminescent multilayer structures. In Anon (Ed.), American Chemical Society, Polymer Preprints, Division of Polymer Chemistry (2 ed., Vol. 39, pp. 1083-1084). ACS.

Molecular self-assembly routes to electroluminescent multilayer structures. / Li, Weijin; Malinsky, Joshua E.; Chou, Homer; Ma, Wuping; Geng, Lifeng; Marks, Tobin J; Jabbour, Ghassan E.; Shaheen, Sean E.; Kippelen, Bernard; Peyghambarian, Nasser; Dutta, Pulak; Richter, Andrew G.; Armstrong, Neal R.; Lee, Paul A.; Anderson, Jeffrey D.

American Chemical Society, Polymer Preprints, Division of Polymer Chemistry. ed. / Anon. Vol. 39 2. ed. ACS, 1998. p. 1083-1084.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Li, W, Malinsky, JE, Chou, H, Ma, W, Geng, L, Marks, TJ, Jabbour, GE, Shaheen, SE, Kippelen, B, Peyghambarian, N, Dutta, P, Richter, AG, Armstrong, NR, Lee, PA & Anderson, JD 1998, Molecular self-assembly routes to electroluminescent multilayer structures. in Anon (ed.), American Chemical Society, Polymer Preprints, Division of Polymer Chemistry. 2 edn, vol. 39, ACS, pp. 1083-1084, Proceedings of the 1997 Boston Meeting, Boston, MA, USA, 8/23/98.

Li, Weijin ; Malinsky, Joshua E. ; Chou, Homer ; Ma, Wuping ; Geng, Lifeng ; Marks, Tobin J ; Jabbour, Ghassan E. ; Shaheen, Sean E. ; Kippelen, Bernard ; Peyghambarian, Nasser ; Dutta, Pulak ; Richter, Andrew G. ; Armstrong, Neal R. ; Lee, Paul A. ; Anderson, Jeffrey D. / Molecular self-assembly routes to electroluminescent multilayer structures. American Chemical Society, Polymer Preprints, Division of Polymer Chemistry. editor / Anon. Vol. 39 2. ed. ACS, 1998. pp. 1083-1084

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abstract = "Self-limiting siloxane chemisorptive self-assembly approaches have been employed to construct multilayer organic LED (OLED) structures. Extensive characterization of the deposition of a prototype triaryamine hole transport layer precursor on ITO using ellipsometry, X-ray reflectivity, AFM, XPS, and cyclic voltammetry reveal that smooth, contiguous, pinhole-free multilayer structures can be sequentially built up angstrom-level precision. Vapor deposition of a conventional emissive/electron transport layer and a metal electrode on the self-assembled HTL structure yields stable OLED structures with low turn-on voltages, high light output, and good external quantum efficiencies. Finally, self-assembly of an emissive layer on an ITO/HTL structure, followed by a LiF buffer layer and metal electrode, affords the first totally self-assembled two-layer OLED devices which emit continuous blue light.",

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AU - Jabbour, Ghassan E.

AU - Shaheen, Sean E.

AU - Kippelen, Bernard

AU - Peyghambarian, Nasser

AU - Dutta, Pulak

AU - Richter, Andrew G.

AU - Armstrong, Neal R.

AU - Lee, Paul A.

AU - Anderson, Jeffrey D.

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AB - Self-limiting siloxane chemisorptive self-assembly approaches have been employed to construct multilayer organic LED (OLED) structures. Extensive characterization of the deposition of a prototype triaryamine hole transport layer precursor on ITO using ellipsometry, X-ray reflectivity, AFM, XPS, and cyclic voltammetry reveal that smooth, contiguous, pinhole-free multilayer structures can be sequentially built up angstrom-level precision. Vapor deposition of a conventional emissive/electron transport layer and a metal electrode on the self-assembled HTL structure yields stable OLED structures with low turn-on voltages, high light output, and good external quantum efficiencies. Finally, self-assembly of an emissive layer on an ITO/HTL structure, followed by a LiF buffer layer and metal electrode, affords the first totally self-assembled two-layer OLED devices which emit continuous blue light.

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ER -

Molecular self-assembly routes to electroluminescent multilayer structures

Abstract

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