Refereed Publications:
Charge Transfer Range for Photoexcitations in Conjugated Polymer/Fullerene Bilayers and Blends, D.Vacar, E.S.Maniloff, D.W.McBranch, and A.J.Heeger, Phys. Rev. B 56 (8) 4573 (1997).
Effects of Intermolecular Interactions on the Lowest Excited State in Luminescent Conjugated Polymers and Oligomers, J.Cornil, A.J.Heeger, and J.L. Bredas, Chem. Phys. Lett. 272 463 (1997).
Efficient, Fast Response Light-emitting Electrochemical Cells: Electroluminescent and Solid Electrolyte Polymers with Interpenetrating Network Morphology, Y.Cao, G.Yu, A.J.Heeger, and C.Y.Yang, Appl.Phys.Lett. 68 (23) 3218 (1996).
New Developments in the Photonic Applications of Conjugated Polymers, F.Hide, M.A.Diaz-Garcia, B.J. Schwartz, and A.J. Heeger, Acc. Chem. Res. 30 (10) 430 (1997).
Near IR Photoluminescence in Mixed Films of Conjugated Polymers and Fullerenes, K.Hasharoni, M.Keshavarz A.Sastre R.González, C.Bellavia-Lund, Y.Greenwald, T.Swager, F.Wudl, and A.J.Heeger, J.Chem.Phys. 107 (7) 2308 (1997).
Planar Light-emitting Devices Fabricated with Luminescent Electrochemical Polyblends, G. Yu, Q. Pei, and A.J. Heeger, J. Appl. Phys. 70 (8) 934 (1997).
Electronic Transport in Doped Poly(3,4-ethylenedioxythiophene) Near the Metal-insulator Transition, A.Aleshin, R.Kiebooms, Reghu M., and A.J.Heeger, Synth. Met. 90 61 (1997).
Ultrafast Holography Using Charge-transfer Polymers, E.S.Maniloff, D.Vacar, D.W. McBranch, H-L. Wang, B.R. Mattes, J. Gao, and A.J. Heeger, Optics Comm. 141 243 (1997).
Polymer Light-Emitting Electrochemical Cells with Frozen p-i-n Junctions, J.Gao, G.Yu, and A.J.Heeger, Appl. Phys. Lett. 71 (10) 1293 (1997).
Metallic Conductivity at Low Temperatures in Poly(3,4-ethylenedioxythiophene) Doped with PF6, A.Aleshin, R.Kiebooms, Reghu M., F.Wudl, and A.J.Heeger, Phys.Rev.B 56 (7) 3659 (1997).
Photoinduced Changes in the Complex Index of Refraction in Conjugated Polymer/Fullerene Blends, E.K.Miller, K.Lee, K.Hasharoni, J.C.Hummelen, F.Wudl, and A.J.Heeger, J. Chem. Phys. 108 (4) 1390 (1998).
Light-emitting Electrochemical Cells with Crown Ether as Solid Electrolyte, Y.Cao, Q.Pei, M.R.Andersson, G.Yu, and A.J.Heeger, J.Electrochem. Soc. 144 (12) L317 (1997).
Semiconducting Polymers as Materials for Photonic Devices, A.J. Heeger, and M.A. Diaz-Garcia, Curr. Opinion. Solid St. & Mtrls Sci. 3 (1) 16 (1998).
Conjugated Polymers as Solid-State Laser Materials, F. Hide, B.J. Schwartz, M.A. Diaz-Garcia, and A. J. Heeger, Synth. Met. 91 35 (1997).
Temperature-independent Photoconductivity in Thin Films of Semiconducting Polymers: Photocarrier Sweep-out Prior to Deep Trapping, D. Moses, J. Wang, G. Yu, and A.J. Heeger, Phys.Rev.Lett. 80 (12) 2685 (1998).
Semiconducting Polymer Distributed Feedback Lasers, M.D.McGehee, M.A.Diaz-Garcia, F.Hide, E.K.Miller, B.J.Schwartz, D.Moses, and A.J.Heeger, Appl. Phys. Lett. 72 (13) 1536 (1998).
Microstructure of Thin Films of Photoluminescent Semiconducting Polymers, C.Y.Yang, F.Hide, M.A.Díaz-García, A.J.Heeger, and Y.Cao, Polymer 39 (11) 2299 (1998).
Polymer Light-Emitting Electrochemical Cells with Frozen p-i-n Junction at Room Temperature, G.Yu, Y.Cao, M.Andersson, J.Gao, and A.J.Heeger, Adv. Mater. 10 (5) 385 (1998).
AC Impedance of Polymer Light-emitting Electrochemical Cells and Light-emitting Diodes: A Comparative Study, Y.Li, J.Gao, G.Yu, Y.Cao, and A.J.Heeger, Chem.Phys.Lett. 287 83 (1998).
Nature of the Metallic State in Conducting Polypyrrole, K.Lee, E.K.Miller, A.N.Aleshin, Reghu M., A.J.Heeger, J.-H.Kim, C.-O. Yoon, and H.Lee, Adv. Mater 10 (6) 456 (1998).
Efficient Blue Light-emitting Diodes from a Soluble Poly (para-phenylene): Internal Field Emission Measurement of the Energy Gap in Semiconducting Polymers, Y.Yang, Q.Pei, and A.J.Heeger, Synth. Met. 78 (3) 263 (1996).
Measurement of the Energy Gap in Semiconducting Polymers Using the Light-emitting Electrochemical Cell, G.Yu, Y.Yang, Y.Cao, Q.Pei, C.Zhang, and A.J.Heeger, Chem. Phys. Lett. 259 (3-4) 465 (1996).
Transport Properties of Poly(3,4-ethylenedioxythiophene)/Poly(styrenesulfonate), A.N. Aleshin, S.R. Williams, and A.J.Heeger, Synth. Met. 94 (2) 173 (1998).
Polymer Light-Emitting Electrochemical Cells: A Theoretical Study of Junction Formation under Steady-State Conditions, J.A. Manzanares, H. Reiss, and A.J.Heeger, J. Phys. Chem. B. 102 (22) 4327 (1998).
Spatial Frequency Filtering Using Non-Delineated Thin Films, J. McElvain, J.D. Langan, and A.J. Heeger, Proceedings of the IEEE International Conference on Image Processing, Vol. III, 380 (1997).
Interaction Range for Photoexcitations in Luminescent Conjugated Polymers, D.Vacar, A.Dogariu, and A.J.Heeger, Adv. Mater. 10 (9) 669 (1998).
Polymer p-i-n Junction Photovoltaic Cells, J.Gao, G.Yu, and A.J. Heeger, Adv. Mater. 10 (9) 692 (1998).
Efficient, Low Operating Voltage Polymer Light-Emitting Diodes with Aluminum as the Cathoide Material, Y. Cao, G. Yu, and A.J. Heeger, Adv. Mater. 10 (12) 917 (1998).
Linear and Nonlinear Optical Spectra of Polyaxomethines Fabricated by Chemical Vapor Deposition, J. McElvain, S. Tatsuura, F. Wudl, and A.J. Heeger, Synth. Met. 95 (2) 101 (1998).
Ultrafast Gain and Excited State Absorption in Luminescent Polymers: Pump Wavelength Invariance, D.Vacar, A.Dogariu, and A.J.Heeger, Chem. Phys. Lett. 290 58 (1998).
Complex Admittance Measurements of Polymer-Light-emitting Electrochemical Cells: Ionic and Electronic Contributions, G.Yu, Y.Cao, C.Zhang, Y-F. Li, J.Gao and A.J. Heeger, Appl. Phys. Lett. 73 (1) 111 (1998).
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Books or Chapters
Metal-Insulator Transition in Doped Conducting Polymers, Reghu M., C.O. Yoon, D. Moses, and A.J. Heeger, T.A.Skotheim, et al., (eds), Handbook of Conducting Polymers, 2nd Edition, 27-84, Marcel Dekker, Inc., Publ. (1998).
The Optoelectronic Properties of Fullerene - Conjugated Polymer - Conventional Polymers Guest-Host Systems, C.J.Brabec, N.S.Sariciftci, W.Graupner, G.Leising, F.Wudl, A.J.Heeger, Proceedings of theXIth International Winterschool on Electronic Properties of Novel Materials, Molecular Nanostructures, World Scientific Co. Pte. Ltd., (1997).
Nature of the Primary photo-excitations in Poly(arylene-vinylenes): Bound Neutral Excitons or Charged Polaron Pairs, A.J. Heeger; N.S. Sariciftci (ed), Primary Photoexcitations in Conjugated Polymers, 20-50,World Scientific Publ. Co. (1998).
In Press
Carrier Tunneling and Device Characteristics in Polymer Light-emitting Diodes, I.D. Parker and A.J. Heeger book chapter in Organic Electroluminescence., ed. by D.Bradley & T.Tsutsui (in press).
Polymer-polymer Rectifying Heterojunction Based on Poly(3,4-dicyanothiophene) and MEH-PPV, Y.Greenwald, M.Fourmigué, X.Xu, G.Srdanov, C. Koss, F.Wudl, and A.J.Heeger, J. Poly. Sci., (accepted).
Ultrafast Nonlinear Optical Properties of Charge-transfer Polymers: Transient Holography and Transient Absorption Studies, D.W.McBranch, E.S.Maniloff, D.Vacar, and A.J.Heeger, J.Nonlin. Optical Prop. of Mater., (accepted).
Light Emission from Semiconducting Polymers: Light-Emitting Diodes, Light-emitting Electrochemical Cells, Lasers, and White Light for the Future, A.J.Heeger, Sol. State Comm., (accepted).
Gallium Nitride/Conjugated Polymer Hybrid Light Emitting Diodes: Performance and Lifetime, C. Zhang, and A.J. Heeger, J. Appl. Phys., (accepted).
Amplifed Spontaneous Emission from Photopumped Films of a Conjugated Polymer, M.D. McGehee, R. Gupta, S. Veenstra, E. K. Miller, M.A. Diaz-Garcia, and A. J. Heeger, Phys. Rev. B., (accepted).
Picosecond Time-Resolved Spectroscopy of the Excited State in a Soluble Derivative of Poly(phenylene vinylene): Origin of the Bimolecular Decay, A.Dogariu, D.Vacar, and A.J.Heeger, Phys. Rev. B., (accepted).
AC Impedance of Frozen Junction Polymer Light-emitting Electrochemical Cells, Y.Li, J.Gao, D.Wang, G.Yu, Y.Cao, and A.J.Heeger, Syn.Met., (accepted).
Low Threshold Amplifed Spontaneous Emission in Blends of Conjugated Polymers, R.Gupta, M.Stevenson, A.Dogariu, H.Wang, M.D.McGehee, J.Y.Park, V.Srdanov, and A.J.Heeger, Appl. Phys. Lett., (submitted).
Time-Resolved Förster Energy Transfer in Polymer Blends, A. Dogariu, R. Gupta, and A.J. Heeger, Syn.Met., (submitted)
Photoconductivity in Semiconducting Polymers, A.J. Heeger, and D.Moses, Proceedings of the Franqui Symposium 1998 (submitted).
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Lectures & Symposia
Invited Speaker or Lecturer is Alan J. Heeger unless otherwise indicated.
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Invited speaker: "Polymers as Lasers",
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Invited speaker: "New Developments in the Photonic Applications of Conjugated Polymers",
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Invited speaker: "Light Emission from Semiconducting Polymers: LEDs, LASERS, and White Light for the Future"
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Invited speaker: "Chemistry Division Seminars",
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Invited speaker: " Plastic Lasers",
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Invited speaker: "Light Emission From Conjugated Polymers: LEDs, LECs, Lasers and White Light For the Future",
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Invited speaker: F. Hide, "Light Emission From Semiconducting Polymers"
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Invited speaker: M. Diaz Garcia, "New Developments in the Photonic Applications of Conjugated Polymers", in session for
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Invited Speaker: "Light Emission from Semiconducting Polymers: LEDs, Monochrome Displays and Lasers",
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Invited speaker: M.D. McGehee, "Semiconducting Polymer Distributed Feedback Lasers",
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Plenary Lecture: " Light Emission and Charge Transfer in Semiconducting Polymers: Competing Progress in the Excited States",
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Invited speaker: "Light Emission From Semiconducting Polymers: LEDs, LECs, Lasers", Materials Research Society Nat’l Meeting,
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Los Alamos National Laboratory, Dec. 10-11, 1997 Los Alamos, NM
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A.J. Heeger: Participant in ONR Workshop on Efficient Lighting,
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Colloquium speaker: "Light Emission From Semiconducting Polymers: LEDs, Lasers, and White Light For the Future",
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Invited speaker: M. D. McGehee, "Amplified Spontaneous Emission and Lasing from Thin Films of Photopumped Conjugated Polymers,"
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Invited Speaker: "Polymer Light-Emitting Electrochemical Cells: Control of nanoscale Phase Separation in Polymer Blends, American Physical Society Meeting,
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Invited Lecturer: "Semiconducting Polymer Lasers",
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Invited Speaker: "Light Emission from Semiconducting Polymers"
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DARPA/DSRC Workshop, "The Pacific Coast Perspective on Electrically Pumped, Organic Molecule Based lasers",
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Alan J. Heeger: Honorary Doctorship
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ONR Polymer Program Review, |
Submitted presentations
E.K. Miller, American Physical Society March Meeting, March 16-20, 1998, Los Angeles, CA.,.
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E.K. Miller: Fullerenes and Photonics IV, hosted by the International Optical Society (SPIE), July 1997, San Diego, California..
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F. Hide: Fullerenes and Photonics IV, hosted by the International Optical Society (SPIE). July 1997, San Diego, California.
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M. D. McGehee, "Amplified Spontaneous Emission and Lasing from Thin Films of Photopumped Conjugated Polymers," American Physical Society March Meeting, March 16-20, 1998, Los Angeles, CA.
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authored by Pat Walker
Last Modified 9/28/98