From Event: SPIE Organic Photonics + Electronics, 2017
Low-cost infrared photo-transistors with improved detectivity (i.e. higher signal-to-noise ratio) could find further use in spectral analysis, which is important for chemical identifications, as well as other applications from environmental monitoring to optical communications. Accordingly, the main goal of this research is to advance printed, flexible photo-transistors by using a family of novel donor-acceptor polymers with narrow bandgap that are responsive in the short wavelength infrared (SWIR) region. In particular, the transistors show optical response extending out to a wavelength of 1.8 micrometer. The external quantum efficiency and the rectification ratio are used to characterize the performance of devices with different polymer layer thickness, in order to optimize detectivity. The individual transistors could further be exploited for the fabrication of integrated arrays for bio-medical and/ or robotic applications. It paves the way to large-area, conformal designs that are currently not achievable with conventional inorganic SWIR materials.
Moran Amit, Hyunwoong Kim, Zhenghui Wu, Jason D. Azoulay, and Tse Nga Ng, "Printed contacts in thin film transistors (Conference Presentation)," Proc. SPIE 10365, Organic Field-Effect Transistors XVI, 1036508 (Presented at SPIE Organic Photonics + Electronics: August 07, 2017; Published: 19 September 2017); https://doi.org/10.1117/12.2271390.5581151891001.
Conference Presentations are recordings of oral presentations given at SPIE conferences and published as part of the conference proceedings. They include the speaker's narration along with a video recording of the presentation slides and animations. Many conference presentations also include full-text papers. Search and browse our growing collection of more than 14,000 conference presentations, including many plenary and keynote presentations.
Study of self-shadowing effect as a simple means to realize nanostructured thin films and layers with special attentions to birefringent obliquely deposited thin films and photo-luminescent porous silicon