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

ASJC Scopus subject areas

Polymers and Plastics

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Cite this

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.",

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

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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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