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Meeting 2016 TMS Annual Meeting & Exhibition
Symposium Recent Advancement on Stretchable and Wearable Electronics
Presentation Title Ultrasonic Spray Printing for High-performance Flexible Organic Field-effect Transistors and Hybrid Perovskite Solar Cells
Author(s) Kai Xiao, Sanjib Das, Ming Shao, Bin Yang, Jong Keum, Ilia Ivanov, Gong Gu, Tolga Aytug, Pooran Joshi, Christopher Rouleau, David Geohegan
On-Site Speaker (Planned) Kai Xiao
Abstract Scope Ultrasonic spray-printing (USP) is one of the cost-effective roll-to-roll compatible processes for the fabrication of various thin film electronic devices. Here, flexible organic field-effect transistors (OFETs) were fabricated by the sequential USP of a dielectric layer of PVP and an active layer of TIPS-PEN on PET plastic substrates. The flexible OFETs exhibit the best mobility up to 0.35 cm2/Vs and an on/off ratio of more than 104, together with negligible current–voltage hysteresis. Moreover, high efficiency hybrid perovskite solar cells on glass substrate and flexible PET substrate were also fabricated by USP process. Perovskite films with high uniformity, crystallinity, and surface coverage were obtained in a
 single USP step. The devices on glass and flexible substrate demonstrate power conversion 
efficiency as high as 13% and 8.1%, respectively. As a result, USP is a promising method for roll-to-roll manufacturing of high-efficiency, flexible perovskite solar cells and large-area integrated flexible organic electronics.
Proceedings Inclusion? Planned: TMS Journal: Journal of Electronic Materials

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

3D Printing Liquid Metals at Room Temperature for Fabrication of Functional, Stretchable, and Soft Electronics
A New Architecture for Flexible Large-area Electronic Systems
B-1: Printing of Graphene-coated Copper Nano-ink on Flexible Substrate Using Light Sintering Method
DFT Approach to Electronic and Optical Properties of Foldable and Stretchable Graphene
Flexible Copper Clad Laminate prepared by Roll-to-Roll Additive Manufacturing
Inkjet Printed Metal Oxide Thin Film Transistors
Laser Writing and Photonic Reduction of High Performance Supercapacitors on Flexible Substrates
Materials Integration for Flexible Electronics: Cu-interconnects, Supercapacitors
Mechanical Stability of Printed Metallizations on Polymer Substrates
New Paradigms for Enabling Printing of Flexible Optoelectronics through Engineered Metal-organic Inks and Direct Writing
Post Processing and In Situ Processing for Low Thermal Budget Integration of Electronic Materials on Flexible Substrates
RF Devices based on 2D Materials for Flexible and Wearable Electronics
Self-sensing Ionic Polymer-metal Composite Soft Robotic Actuator Integrated with Gallium-indium Alloy
Silver Nanowire Networks for Flexible Electromagnetic Interface Shields
Ultrasonic Spray Printing for High-performance Flexible Organic Field-effect Transistors and Hybrid Perovskite Solar Cells
Wearable Energy Storage Devices from Cotton T-shirts
Wireless Gas Sensing with NFC-enabled Mobile Device

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