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You searched on: Author: lee richter

Displaying records 31 to 40 of 93 records.
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31. Scatterometry for in situ measurement of pattern reflow in nanoimprinted polymers
Published: 12/9/2008
Authors: Heather J Patrick, Thomas Avery Germer, Yifu Ding, Hyun Wook Ro, Lee J Richter, Christopher L Soles
Abstract: We use optical scatterometry to extract the time evolution of the profile of nanoimprinted lines in low and high molecular mass polymer gratings during reflow at the glass transition temperature. The data are obtained continuously during the anneal ...

32. Contact-induced crystallinity for high-performance soluble acene-based transistors and circuits
Published: 3/8/2008
Authors: David J Gundlach, James E Royer, SK Park, Sankar Subramanian, Oana Jurchescu, Behrang H Hamadani, Andrew Moad, Regis J Kline, LC Teague, Oleg A Kirillov, Curt A Richter, Lee J Richter, Sean R Parkin, Thomas Jackson, JE Anthony
Abstract: The use of organic materials presents a tremendous opportunity to significantly impact the functionality and pervasiveness of large-area electronics. Commercialization of this technology requires reduction in manufacturing costs by exploiting inexpen ...

33. Demonstration of Molecular Assembly on Silicon (100) for CMOS-Compatible Molecule-Based Electronic Devices
Published: 3/7/2008
Authors: Nadine Emily Gergel-Hackett, Christopher D Zangmeister, Christina Ann Hacker, Lee J Richter, Curt A Richter
Abstract: In this work, we establish the potential of a UV-promoted direct attachment of alkanes with alcohol and thiol linkers to the CMOS-compatible silicon (100) orientation for use in closed, planar, molecular electronic devices. We develop processes for m ...

34. Contact Induced Crystallinity for High Performance Soluble Acene-Based TFTs
Published: 2/17/2008
Authors: David J Gundlach, James Royer, Behrang H Hamadani, Lucile C. Teague, Andrew J Moad, Oana Jurchescu, Oleg A Kirillov, Lee J Richter, James G. Kushmerick, Curt A Richter, Sungkyu Park, Thomas Jackson, Sankar Subramanian, John E Anthony
Abstract: Organic electronics present a tremendous opportunity to significantly impact the functionality and pervasiveness of large-area electronics. However, the lack of low-temperature low-cost deposition and patterning techniques limits the potential for th ...

35. Critical Role of Side-Chain Attachment Density on the Order and Device Performance of Polythiophenes
Published: 10/30/2007
Authors: Regis J Kline, Dean M DeLongchamp, Daniel A Fischer, Eric K Lin, Lee J Richter, Michael L. Chabinyc, Martin Heeney, Iain McCulloch
Abstract: High performance, solution processable semiconductors are critical to the realization of low cost, large area electronics. We show that a signature molecular packing motif - side-chain interdigitation - correlates to high performance for a large and ...

36. The Characterization of Silicon-Based Molecular Devices
Published: 9/30/2007
Authors: Nadine Emily Gergel-Hackett, Christina Ann Hacker, Lee J Richter, Oleg A Kirillov, Curt A Richter
Abstract: In order to realize molecular electronic (ME) technology, an intermediate integration with more traditional silicon-based technologies will likely be required. However, there has been little effort to develop the metrology needed to enable the fabric ...

37. Distinguishing Between Nonlinear Channel Transport and Contact Effects in Organic FETs
Published: 8/30/2007
Authors: Behrang H Hamadani, Jeremy LeBoeuf, R J Kline, Iain McCulloch, Martin Heeney, Curt A Richter, Lee J Richter, David J Gundlach
Abstract: We investigate charge injection and transport in organic field-effect transistors fabricated by using poly(2,5-bis(3-tetradecylthiophene-2-yl)thieno[3,2-b]thiophene) (pBTTT-C14) as the active polymer layer. We show that in high mobility devices where ...

38. Origin of differing reactivities of aliphatic chains on H-Si(111) and oxide surfaces with metal
Published: 6/5/2007
Authors: Christina Ann Hacker, Curt A Richter, Nadine Emily Gergel-Hackett, Lee J Richter
Abstract: The interaction of deposited metals with monolayer films is critical to the understanding of, and ultimate utility of, the emerging arena of molecular electronics. We present the results of a thorough study of the interaction of vapor deposited Au an ...

39. High Carrier Mobility Polythiophene Thin Films: Structure Determination by Experiment and Theory
Published: 3/19/2007
Authors: Dean M DeLongchamp, Regis J Kline, Eric K Lin, Daniel A Fischer, Lee J Richter, Leah A. Lucas, Martin Heeney, Iain McCulloch, John E Northrup
Abstract: We exploit the unprecedented crystallinity of poly(2,5-bis(3-alkylthiophene-2-yl)thieno[3,2-b]thiophenes) (pBTTTs) high performance semiconducting polymers to study structural detail within 25 nm thick films of a pBTTT with tetradecyl side chains (p ...

40. Ordering in Poly (3-alkylthiophene) Thin Films Determined with Polarized Optical Spectroscopies
Published: 3/16/2007
Authors: M C. Gurau, Dean M DeLongchamp, Brandon M. Vogel, Eric K Lin, Daniel A Fischer, S Sambasivan, Lee J Richter

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