Search Results - "Gundlach, David"

Contact Resistance in Organic Field‐Effect Transistors: Conquering the Barrier by Waldrip, Matthew, Jurchescu, Oana D., Gundlach, David J., Bittle, Emily G.

“…Organic semiconductors have sparked interest as flexible, solution processable, and chemically tunable electronic materials. Improvements in charge carrier…”
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Mobility overestimation due to gated contacts in organic field-effect transistors by Bittle, Emily G., Basham, James I., Jackson, Thomas N., Jurchescu, Oana D., Gundlach, David J.

“…Parameters used to describe the electrical properties of organic field-effect transistors, such as mobility and threshold voltage, are commonly extracted from…”
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Higher order effects in organic LEDs with sub-bandgap turn-on by Engmann, Sebastian, Barito, Adam J., Bittle, Emily G., Giebink, Noel C., Richter, Lee J., Gundlach, David J.

“…Spin-dependent nonlinear processes in organic materials such as singlet-fission and triplet-triplet annihilation could increase the performance for…”
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Broadband optical properties of large-area monolayer CVD molybdenum disulfide by Li, Wei, Birdwell, A. Glen, Amani, Matin, Burke, Robert A., Ling, Xi, Lee, Yi-Hsien, Liang, Xuelei, Peng, Lianmao, Richter, Curt A., Kong, Jing, Gundlach, David J., Nguyen, N. V.

“…In this paper, we report a comprehensive study of fundamental optical properties of MoS sub(2) revealed by optical spectroscopy of Raman, photoluminescence,…”
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Organic electronics Low power, high impact by Gundlach, David J

“…Thin-film transistors (TFTs) fabricated using organic materials with semiconductor-like properties have garnered tremendous interest for use in applications…”
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Extraordinary Control of Terahertz Beam Reflectance in Graphene Electro-absorption Modulators by Sensale-Rodriguez, Berardi, Yan, Rusen, Rafique, Subrina, Zhu, Mingda, Li, Wei, Liang, Xuelei, Gundlach, David, Protasenko, Vladimir, Kelly, Michelle M, Jena, Debdeep, Liu, Lei, Xing, Huili Grace

“…We demonstrate a graphene-based electro-absorption modulator achieving extraordinary control of terahertz reflectance. By concentrating the electric field…”
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Anisotropic Structure and Charge Transport in Highly Strain-Aligned Regioregular Poly(3-hexylthiophene) by O'Connor, Brendan, Kline, R. Joseph, Conrad, Brad R., Richter, Lee J., Gundlach, David, Toney, Michael F., DeLongchamp, Dean M.

“…A novel method of strain‐aligning polymer films is introduced and applied to regioregular poly(3‐hexylthiophene) (P3HT), showing several important features of…”
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Predicting the J-V Curve in Organic Photovoltaics Using Impedance Spectroscopy by Basham, James I., Jackson, Thomas N., Gundlach, David J.

“…Impedance spectroscopy is used as a method to predict the current–voltage curve in organic photovoltaic devices. This technique allows the quantification of…”
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Morphological Origin of Charge Transport Anisotropy in Aligned Polythiophene Thin Films by O'Connor, Brendan T., Reid, Obadiah G., Zhang, Xinran, Kline, R. Joseph, Richter, Lee J., Gundlach, David J., DeLongchamp, Dean M., Toney, Michael F., Kopidakis, Nikos, Rumbles, Garry

“…The morphological origin of anisotropic charge transport in uniaxially strain aligned poly(3‐hexylthiophene) (P3HT) films is investigated. The macroscale field…”
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Influence of Metal–MoS2 Interface on MoS2 Transistor Performance: Comparison of Ag and Ti Contacts by Yuan, Hui, Cheng, Guangjun, You, Lin, Li, Haitao, Zhu, Hao, Li, Wei, Kopanski, Joseph J, Obeng, Yaw S, Hight Walker, Angela R, Gundlach, David J, Richter, Curt A, Ioannou, Dimitris E, Li, Qiliang

“…In this work, we compare the electrical characteristics of MoS2 field-effect transistors (FETs) with Ag source/drain contacts with those with Ti and…”
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Interfacial Segregation in Polymer/Fullerene Blend Films for Photovoltaic Devices by Germack, David S, Chan, Calvin K, Kline, R. Joseph, Fischer, Daniel A, Gundlach, David J, Toney, Michael F, Richter, Lee J, DeLongchamp, Dean M

“…It has recently been shown that surface energy effects can cause selective segregation at the active layer interfaces of a bulk heterojunction (BHJ) organic…”
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Organic Single-Crystal Field-Effect Transistors of a Soluble Anthradithiophene by Jurchescu, Oana D, Subramanian, Sankar, Kline, R. Joseph, Hudson, Steven D, Anthony, John E, Jackson, Thomas N, Gundlach, David J

“…We present the first characterization of single-crystal devices of a new solution processable material that we have previously demonstrated achieves…”
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Magnetic Field Sensor Based on a OLED/Organic Photodetector Stack by Engmann, Sebastian, Bittle, Emily G., Gundlach, David J.

“…In this study, an all-organic magnetic field sensor based on an organic light-emitting diode (OLED) and organic photodetector (OPD) layer stack is presented…”
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Vertically Segregated Structure and Properties of Small Molecule-Polymer Blend Semiconductors for Organic Thin-Film Transistors by Shin, Nayool, Kang, Jihoon, Richter, Lee J., Prabhu, Vivek M., Kline, R. Joseph, Fischer, Daniel A., DeLongchamp, Dean M., Toney, Michael F., Satija, Sushil K., Gundlach, David J., Purushothaman, Balaji, Anthony, John E., Yoon, Do Y.

“…A comprehensive structure and performance study of thin blend films of the small‐molecule semiconductor,…”
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Semiconducting Thienothiophene Copolymers: Design, Synthesis, Morphology, and Performance in Thin-Film Organic Transistors by McCulloch, Iain, Heeney, Martin, Chabinyc, Michael L., DeLongchamp, Dean, Kline, R. Joseph, Cölle, Michael, Duffy, Warren, Fischer, Daniel, Gundlach, David, Hamadani, Behrang, Hamilton, Rick, Richter, Lee, Salleo, Alberto, Shkunov, Maxim, Sparrowe, David, Tierney, Steven, Zhang, Weimin

“…Organic semiconductors are emerging as a viable alternative to amorphous silicon in a range of thin‐film transistor devices. With the possibility to formulate…”
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Reply to: Triplet-triplet annihilation in rubrene/C60 OLEDs with electroluminescence turn-on breaking the thermodynamic limit by Engmann, Sebastian, Barito, Adam J., Bittle, Emily G., Giebink, Noel C., Richter, Lee J., Gundlach, David J.

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Direct Measurement of Dirac Point Energy at the Graphene/Oxide Interface by Xu, Kun, Zeng, Caifu, Zhang, Qin, Yan, Rusen, Ye, Peide, Wang, Kang, Seabaugh, Alan C, Xing, Huili Grace, Suehle, John S, Richter, Curt A, Gundlach, David J, Nguyen, N. V

“…We report the direct measurement of the Dirac point, the Fermi level, and the work function of graphene by performing internal photoemission measurements on a…”
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Electrical Detection of Singlet Fission in Single Crystal Tetracene Transistors by Jang, Hyuk-Jae, Bittle, Emily G, Zhang, Qin, Biacchi, Adam J, Richter, Curt A, Gundlach, David J

“…We present the electrical detection of singlet fission in tetracene by using a field-effect transistor (FET). Singlet fission is a photoinduced spin-dependent…”
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Band offset and electron affinity of MBE-grown SnSe2 by Zhang, Qin, Li, Mingda (Oscar), Lochocki, Edward B., Vishwanath, Suresh, Liu, Xinyu, Yan, Rusen, Lien, Huai-Hsun, Dobrowolska, Malgorzata, Furdyna, Jacek, Shen, Kyle M., Cheng, Guangjun, Hight Walker, Angela R., Gundlach, David J., Xing, Huili G., Nguyen, N. V.

“…SnSe2 is currently considered a potential two-dimensional material that can form a near-broken gap heterojunction in a tunnel field-effect transistor due to…”
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Dependence of electrical performance on structural organization in polymer field effect transistors by Bittle, Emily G., Ro, Hyun Wook, Snyder, Chad R., Engmann, Sebastian, Kline, R. Joseph, Zhang, Xinran, Jurchescu, Oana D., DeLongchamp, Dean M., Gundlach, David J.

“…ABSTRACT Organic semiconductors (OSCs) are strong contenders for use in printed, flexible electronics. Although organic electronic materials have been studied…”
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