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Electronics

Flexible electronics

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Displaying 1 - 25 of 29

Multiscale Green's functions for modeling graphene and other Xenes

January 27, 2023
Author(s)
Vinod Tewary, Edward Garboczi
We give a review of the multiscale Green's function method for modeling modern two-dimensional nanomaterials such as graphene and other Xenes. The method is applicable to materials at different space and time scales and is computationally efficient. This

All-Printed Ultrahigh-Responsivity MoS2 Nanosheet Photodetectors Enabled by Megasonic Exfoliation

July 5, 2022
Author(s)
Lee J. Richter, Lidia Kuo, Vinod Sangwan, Sonal Rangnekar, Ting-Ching Chu, David Lam, Shehao Zhu, Ruipeng Li, Julia Downing, Benjamin Luijten, Lincoln Lauhon, Mark Hersam
Printed two-dimensional materials, derived from solution-processed inks, offer scalable and cost-effective routes to mechanically flexible optoelectronics. With micron-scale control and broad processing latitude, aerosol-jet printing (AJP) is of particular

Fast Near-Infrared Photodetection using III-V Colloidal Quantum Dots

June 29, 2022
Author(s)
Lee J. Richter, Bin Sun, Amin M. Najarian, Chao Zheng, Laxmi K. Sagar, Min-Jae Choi, Xiyan Li, Larissa Levina, Se-Woong Baek, Seungjin Lee, Ahmad R. Kirmani, Jehad Abed, Mengxia Liu, Peicheng Li, Oleksandr Voznyy, Zheng H. Lu, F. Pelayo G. de Arquer, Edward H. Sargent
Colloidal quantum dots (CQDs) are promising materials for IR light detection due to their tunable bandgap and their solution processing; however, to date, the time response of CQD IR photodiodes has been inferior to that provided by Si and InGaAs. We

In-situ studies of the swelling by electrolyte in the electrochemical doping of an ethylene glycol substituted polythiophene

June 13, 2022
Author(s)
Lee J. Richter, Lucas Flagg, Lauren Asselta, Nicholas D'Antona, Natalie Stingelin, Tommaso Nicolini, Jonathan Onorato, Christine Luscombe, Ruipeng Li
Organic mixed ionic electronic conductors (OMIECs) have the potential to enable diverse new technologies, ranging from biosensors to flexible energy storage devices and neuromorphic computing platforms. However, study of these materials in their operating

Microwave characterization of graphene inks

October 11, 2021
Author(s)
Jan Obrzut, Ana C. M. Moraes
Systematic charge transport characterization of solution-processed graphene inks using ethyl cellulose polymer as a binder/stabilizer, showed graphene patterns with high mobility ( 160 cm2 V-1 s-1), low energy gap, thermally activated charge transport and

Side Chain Engineering Control of Mixed Conduction in Oligoethylene Glycol-Substituted Polythiophenes

August 31, 2021
Author(s)
Jonathan Onorato, Zhongyang Wang, Yangyang Sun, Christian Nowak, Ban Dong, Lucas Flagg, Ruipeng Li, Lee J. Richter, Fernando Escobedo, Paul Nealey, Shrayesh Patel, Christine Luscombe
A major limitation for polymeric mixed ionic/electronic conductors (MIECs) is the trade-off between ionic and electronic conductivity; changes made that improve one typically hinder the other. In order to address this fundamental problem, this work

Materials Science in the AI age: high-throughput library generation, machine learning and a pathway from correlations to the underpinning physics

July 22, 2019
Author(s)
Kamal Choudhary, Aaron G. Kusne, Francesca M. Tavazza, Jason R. Hattrick-Simpers, Rama K. Vasudevan, Apurva Mehta, Ryan Smith, Lukas Vlcek, Sergei V. Kalinin, Maxim Ziatdinov
The use of advanced data analytics, statistical and machine learning approaches (‘AI’) to materials science has experienced a renaissance, driven by advances in computer sciences, availability and access of software and hardware, and a growing realization

Determining Carbon Fiber Composite Loading by Flip-Chip on a Coplanar Waveguide to 110GHz

November 22, 2018
Author(s)
Nina P. Basta, Jasper A. Drisko, Aaron M. Hagerstrom, Joshua A. Orlicki, Jennifer M. Sietins, Daniel B. Knorr, Jr., Edward J. Garboczi, Christian J. Long, Nathan D. Orloff
The electrical properties of materials are a necessary part of any circuit design. As applications at millimeter-wave frequen-cies increase, there is a growing need to develop new materials with low loss and multiple functionalities. Unfortunately, many

Parasitic engineering for RRAM control

October 15, 2018
Author(s)
Pragya R. Shrestha, David M. Nminibapiel, Dmitry Veksler, Jason P. Campbell, Jason T. Ryan, helmut Baumgart, Kin P. Cheung
The inevitable current overshoot which follows forming or switching of filamentary resistive random access memory (RRAM) devices is often perceived as a source of variability that should be minimized. This sentiment has resulted in efforts to curtail the

Readout architectures for superconducting nanowire single photon detectors

August 16, 2018
Author(s)
Adam N. McCaughan
Advances in the development of superconducting nanowire single photon detectors (SNSPD) have guaranteed that they remain a leading photon detection technology in applications such as quantum information, low-power optical communications, and the life

Epitaxial Graphene for High-Current QHE Resistance Standards

July 9, 2018
Author(s)
Mattias Kruskopf, Jiuning Hu, Bi Y. Wu, Yanfei Yang, Hsin Y. Lee, Albert F. Rigosi, David B. Newell, Randolph E. Elmquist
We report the growth of large-area monolayer graphene on the centimeter scale using an optimized growth process allowing for reproducibility and morphology improvements. Magneto-transport measurements on graphene quantum Hall effect devices demonstrate the
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