Publications in peer-reviewed journals:

Optoelectronic Energy Conversion
Photovoltaics
O'Connor, B., An, K. H., Pipe, K. P., Zhao, Y. & Shtein, M. "Enhanced optical field intensity distribution in organic photovoltaic devices using external coatings." Appl. Phys. Lett. 89, 233502 (2006).

Yang, F; Shtein, M; Forrest, SR, "Controlled Growth Of A Molecular Bulk Heterojunction Photovoltaic Cell," Nature Materials, Vol. 4, Issue 1, pp. 37 (2005).

Solid State Lighting
"Fiber Shaped Light Emitting Device," Advanced Materials, Volume 19, Issue 22, Date: November, 2007, Pages: 3897-3900
B. O'Connor, K. H. An, Y. Zhao, K. P. Pipe, M. Shtein

O'Connor, B., An, K. H., Zhao, Y., Pipe, K. P., & Shtein, M. "Fiber shaped organic light emitting device." Advanced Materials (in press)

Zhou, TX; Ngo, T; Brown, JJ; Shtein, M; Forrest, SR, "Stable And Efficient Electrophosphorescent Organic Light-Emitting Devices Grown By Organic Vapor Phase Deposition," Applied Physics Letters, Vol. 86, Issue 2, (2005).

Scanning Probe Optical Microscopy
Zhao, Y., O'Connor, B., An, K.H., Chen, S., Pipe, K., Shtein, M. "Localized current injection and sub-micron organic light emitting device on a pyramidal atomic force microscopy tip." Nano Letters (in press)

An, K. H., O'Connor, B., Pipe, K. P., Zhao, Y. Y. & Shtein, M. "Organic light-emitting device on a scanning probe cantilever." Appl. Phys. Lett. 89, 111117 (2006).

Thermoelectric Energy Conversion
Yadav, A., Pipe, K., & Shtein, M. "Fiber based thermoelectric power generator." J. Power Sources (in press)

H.-K. Lyeo, A. A. Khajetoorians, L. Shi, K. P. Pipe, R. J. Ram, A. Shakouri, and C. K. Shih, "Profiling the thermoelectric power of semiconductor junctions with nanometer resolution", Amer. Physical Soc. March Meeting, March 22-26, 2004

K. P. Pipe, R. J. Ram, and A. Shakouri, "Internal cooling in a semiconductor laser diode", IEEE Phot. Tech. Lett. 14, 453 (2002).

K. P. Pipe, R. J. Ram, and A. Shakouri, "Bias-dependent Peltier coefficient and internal cooling in bipolar devices", Phys. Rev. B 66, 125316 (2002).

Thermal Imaging of Devices
P. K. L. Chan, K. P. Pipe, G. Qin, and Z. Ma, “Thermoreflectance imaging of current dynamics in high power SiGe heterojunction bipolar transistors”, Appl. Phys. Lett. 89, 233521 (2006).

P. K. L. Chan, K. P. Pipe, J. J. Plant, R. B. Swint, and P. W. Juodawlkis, “Temperature mapping and thermal lensing in large-mode, high power laser diodes”, Appl. Phys. Lett. 89, 201110 (2006).

P. K. L. Chan, K. P. Pipe, Z. Mi, J. Yang, P. Bhattacharya, and D. Lüerßen, "Thermal relaxation time and heat distribution in pulsed InGaAs quantum dot lasers", accepted in Appl. Phys. Lett.

Z. Mi, J. Yang, P. Bhattacharya, P. K. L. Chan, and K. P. Pipe, "High performance self-organized InGaAs quantum dot lasers on silicon", submitted to JVSTB.

Z. Mi, P. Bhattacharya, J. Yang, and K. P. Pipe, "Room-temperature self-organised In_0.5Ga_0.5As quantum dot laser on silicon",  Electronics Letters 41, 742 (2005).

PDFK. P. Pipe and R. J. Ram, "Comprehensive heat exchange model for a semiconductor laser diode", IEEE Phot. Tech. Lett. 15, 504 (2003).

J. A. Hudgings, K. P. Pipe, and R. J. Ram, "Thermal profiling for optical characterization of waveguide devices", Appl. Phys. Lett. 83, 3882 (2003).

S. G. Patterson, E. K. Lau, K. P. Pipe, and R. J. Ram, "Temperature characteristics of bipolar cascade lasers", Appl. Phys. Lett. 77, 172 (2000).

Device Processing and Patterning
Sun, YR; Shtein, M; Forrest, SR, "Direct Patterning Of Organic Light-Emitting Devices By Organic-Vapor Jet Printing," Applied Physics Letters, Vol. 86, Issue 11, (2005).

Shtein, M; Peumans, P; Benziger, JB; Forrest, SR, "Direct, Mask- And Solvent-Free Printing Of Molecular Organic Semiconductors," Advanced Materials, Vol. 16, Issue 18, pp. 1615 (2004).

Shtein, M; Peumans, P; Benziger, JB; Forrest, SR, "Direct Mask-Free Patterning Of Molecular Organic Semiconductors Using Organic Vapor Jet Printing," Journal Of Applied Physics, Vol. 96, Issue 8, pp. 4500 (2004).

Shtein, M; Peumans, P; Benziger, JB; Forrest, SR, "Micropatterning Of Small Molecular Weight Organic Semiconductor Thin Films Using Organic Vapor Phase Deposition," Journal Of Applied Physics, Vol. 93, Issue 7, pp. 4005 (2003).

Kim, C; Shtein, M; Forrest, SR, "Nanolithography Based On Patterned Metal Transfer And Its Application To Organic Electronic Devices," Applied Physics Letters, Vol. 80, Issue 21, pp. 4051 (2002).

Shtein, M; Mahon, JK; Zhou, T; Forrest, SR; Schwambera, M; Meyer, N, "Organic VPD Shows Promise For OLED Volume Production," Solid State Technology, Vol. 45, Issue 10, pp. 18 (2002).

Shtein, M; Mapel, J; Benziger, JB; Forrest, SR, "Effects Of Film Morphology And Gate Dielectric Surface Preparation On The Electrical Characteristics Of Organic-Vapor-Phase-Deposited Pentacene Thin-Film Transistors," Applied Physics Letters, Vol. 81, Issue 2, pp. 268 (2002).

Shtein, M; Gossenberger, HF; Benziger, JB; Forrest, SR, "Material Transport Regimes And Mechanisms For Growth Of Molecular Organic Thin Films Using Low-Pressure Organic Vapor Phase Deposition," Journal Of Applied Physics, Vol. 89, Issue 2, pp. 1470 (2001).

Barton, DG; Shtein, M; Wilson, RD; Soled, SL; Iglesia, E, "Structure And Electronic Properties Of Solid Acids Based On Tungsten Oxide Nanostructures," Journal Of Physical Chemistry B, Vol. 103, Issue 4, pp. 630 (1999).

M. H. Lim, J. Ferrera, K. P. Pipe, and H. I. Smith, "A holographic phase-shifting interferometer technique to measure in-plane distortion", J. Vac. Sci. Technol. B 17, 2703 (1999).

Conference presentations:

Optoelectronic Energy Conversion
Photovoltaic
B. O’Connor, M. Shtein, and K. P. Pipe, “Dielectric capping layers for enhanced optical transmission through metallic electrodes in organic photovoltaic devices”, Materials Research Society Fall Meeting, November 2006

Solid State Lighting
B. O’Connor, K. P. Pipe, and M. Shtein, “Fiber based organic light emitting diodes and photovoltaic cells”, Materials Research Society Spring Meeting, April 2007.

Scanning Probe Optical Microscopy
Y. Zhao, M. Shtein, and K. P. Pipe, “Highly localized light emission from an organic device deposited on an atomic force microscopy probe tip due to field-assisted carrier injection at the sharp tip”, Materials Research Society Spring Meeting, April 2007.

K. H. An, B. O’Connor, K. P. Pipe, and M. Shtein, “An organic photodetector on a scanning probe cantilever”, Materials Research Society Spring Meeting, April 2007.

K. H. An, B. O’Connor, Y. Zhao, W. Loh*, K. P. Pipe, and M. Shtein, “Cantilevers with integrated organic LEDs for scanning probe microscopy”, Photonics West, San Jose, CA, January 20-25, 2007.

Y. Zhao, K. H. An, K. P. Pipe, and M. Shtein, “Fabrication of an electrically pumped organic heterostructure device on a pyramidal atomic force microscopy tip”, Materials Research Society Fall Meeting, November 2006.

K. H. An, Y. Zhao, B. O’Connor, K. P. Pipe, and M. Shtein, “FIB-based fabrication of active organic devices on scanning probe cantilevers”, Materials Research Society Fall Meeting, November 2006.

K. H. An, Y. Zhao, K. P. Pipe, and M. Shtein, "Nanoscale probing of optical properties of materials by decay rate coupling in electrically pumped organic heterostructures", accepted for 2006 Materials Research Society Spring Meeting.

Thermal Imaging of Devices
P. K. L. Chan, K. P. Pipe, J. J. Plant, R. B. Swint, and P. W. Juodawlkis, “Heat transfer and thermal lensing in large-mode, high power laser diodes”, Photonics West, San Jose, CA, January 20-25, 2007.

Z. Mi, J. Yang, P. Bhattacharya, P. K. L. Chan, and K. P. Pipe, "High performance self-organized InGaAs quantum dot lasers on silicon", 23^rd North American Conference on Molecular Beam Epitaxy, September 11-14, Santa Barbara, CA (2005).

P. K. L. Chan, A. D. Sathe*, K. P. Pipe, J. J. Plant, R. B. Swint, and P. W. Juodawlkis, “Submicron thermal imaging of high power slab coupled optical waveguide laser (SCOWL)”, Intl. Mech. Eng. Cong. & Exp., Proc. of Heat Transfer Division, November 5-11, Chicago, IL (2006).

P. K. L. Chan, K. P. Pipe, Z. Mi, J. Yang, and P. Bhattacharya, "Submicron thermal imaging of quantum dot lasers on GaAs and Si substrates", accepted for 2006 Conference on Lasers and Electro-Optics.

Z. Mi, J. Yang, P. Bhattacharya, P. K. L. Chan, and K. P. Pipe, "High performance self-organized In(Ga)As quantum dot lasers monolithically grown on silicon", Photonics West, January 21-26, San Jose, CA (2006).

P. K. L. Chan, A. D. Sathe, K. P. Pipe, J. J. Plant, and P. W. Juodawlkis, "Time-resolved microscale temperature measurements of semiconductor lasers", Intl. Mech. Eng. Cong. & Exp., Heat Transfer Div., November 5-11, Orlando, FL (2005)

Z. Mi, J. Yang, P. Bhattacharya, P. K. L. Chan, and K. P. Pipe, “High performance self-organized InGaAs quantum dot lasers on silicon”, 23rd North American Conference on Molecular Beam Epitaxy, September 11-14, Santa Barbara, CA (2005).

Z. Mi, P. Bhattacharya, J. Yang, P. K. L. Chan, and K. P. Pipe, "Room-temperature self-organized In_0.5Ga_0.5As quantum dot lasers on silicon", TMS/IEEE Device Research Conference, June 20-22, Santa Barbara, CA (2005).

N. C. Gallego, S. B. White, D. Johnson, K. P. Pipe, A. J. Shih, D. P. Stinton, and E. Jih, "Graphite foam for cooling of automotive power electronics", 8th IEEE Workshop on Power Elect. in Trans. (WPET 2004), Detroit, MI, Oct. 2004.

J. A. Hudgings, K. P. Pipe, and R. J. Ram, "Wafer-scale profiling of photonic integrated circuits", Conf. on Lasers and Electro-Optics, Baltimore, MD, June 2003.

K. P. Pipe, R. J. Ram, A. K. Goyal, and G. W. Turner, "Electrical and thermal analysis of heat flow in lambda=2.05um GaInAsSb/AlGaAsSb lasers", Conf. on Lasers and Electro-Optics, Baltimore, MD, June 2003.]

K. P. Pipe and R. J. Ram, "Experimental determination of heat flow in semiconductor lasers", Conf. on Lasers and Electro-Optics, Long Beach, CA, May 2002.

K. P. Pipe, R. J. Ram, and A. Shakouri, "The physics of heat transport in semiconductor lasers", IEEE Intl. Semiconductor Laser Conf., Garmisch, Germany, Sept. 2002.

S. G. Patterson, E. Lau, K. P. Pipe, G. S. Petrich, R. J Ram, and L. A. Kolodziejski, " Temperature properties of bipolar cascade lasers", Conf. on Lasers and Electro-Optics, San Francisco, CA, May 2000.

Thermoelectric Energy Conversion
A. Yadav, K. P. Pipe, W. Ye, and R. S. Goldman, “In-plane thermoelectric properties of horizontally aligned InAs/GaAs quantum dot superlattices”, Intl. Mech. Eng. Cong. & Exp., Proc. of Heat Transfer Division, November 5-11, Chicago, IL (2006).

A. Yadav, K. P. Pipe, W. Ye, and R. S. Goldman, "Thermoelectric properties of vertically aligned InAs/GaAs quantum dot superlattices", accepted for 2006 Electronic Materials Conference.

H.-K. Lyeo, A. A. Khajetoorians, L. Shi, K. P. Pipe, R. J. Ram, A. Shakouri, and C. K. Shih, "Profiling the thermoelectric power of semiconductor junctions with nanometer resolution", Science 303, 816 (2004). [Suppl. Mat. PDF]

K. P. Pipe, R. J. Ram, and A. Shakouri, "Thermoelectric effects in bipolar devices: internally cooled semiconductor lasers", U.S.-Japan Nanotherm Seminar: Nanoscale Thermal Science and Engineering, Berkeley, CA, June 2002.

K. P. Pipe, R. J. Ram, and A. Shakouri, "Minority-carrier thermoelectric devices", 21st Intl. Conf. on Thermoelectrics, Long Beach, CA, August 2002.]

K. P. Pipe, R. J. Ram, and A. Shakouri, "Internal thermoelectric heating and cooling in heterostructure diode lasers", Conf. on Lasers and Electro-Optics, Baltimore, MD, May 2001.

K. P. Pipe, R. J. Ram, and A. Shakouri, "Bias-dependent Peltier coefficient in bipolar devices", Intl. Mech. Eng. Cong. and Expo., New York, NY, Nov. 2001.