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Presents the introductory welcome message from the conference proceedings. May include the conference officers' congratulations to all involved with the conference event and publication of the proceedings record.
Television broadcasting has evolved with Olympics. The Olympic Games in 2020 Tokyo will be broadcast with very high sensation of reality through 8K or Super Hi-Vision system. The 8K system provides many excellent effects on our sensation such as high sensation of reality, visual realness and depth sensation. Several 8K FPDs have already been developed. However their display performance, such as color...
Perovskite solar cells represent cost-effective next generation printable photovoltaics. In a relatively short period, power conversion efficiencies (PCEs) in such cells have been substantially increased, mainly due to improvements of the fabrication protocols for the perovskite layer as well as the development of new materials for buffer layers. In this presentation, the recent progress and perspective...
Macroscale and multi-functional flexible sensor networks have been widely proposed for the Internet of Things (IoT) and the trillion sensor networks. In this report, our recent progress of flexible sensors fabricated by some printing methods on user-defined non-planer substrates is presented. Especially, flexible strain sensor and temperature sensors are discussed to monitor human condition as a health...
This study presents an evaluation of pH sensors using self-aligned four-terminal planar embedded metal double-gate low-temperature polycrystalline-silicon thin-film transistors (TFTs) on a glass substrate. The voltage variation due to a change in pH is read as the variation in threshold voltage of the TFTs by connecting a TFT control gate to a glass electrode. Our experimental results confirm that...
We proposed a synapse thin film transistors with a bottom-gate structure composed of an In-Ga-Zn-O (IGZO) active channel and a poly 4(vinylphenol)-sodium beta-alumina (PVP-SBA) gate insulator. The physical and electrical properties of the PVP-SBA were demonstrated as an electrolytic gate insulator for the synapse TFTs. Paired-pulse facilitation (PPF), short-term memory (STM), and long-term memory...
Renewable energy forecasting becomes increasingly important as the contribution of solar/wind power production to the electrical power grid constantly increases. Significant improvement in forecasting accuracy has been demonstrated by developing more sophisticated solar irradiance forecasting models using statistics and/or numerical weather predictions. In this presentation, we report the development...
New technique to measure local photovoltaic properties of Si based thin film solar cells has been developed using scanning probe microscopy technique. Local photovoltaic properties of hydrogenated amorphous silicon (a-Si:H) thin film solar cell was demonstrated using this technique. Short-circuit current obtained from local current-voltage (I-V) characteristics with light irradiation increased with...
Metal nanoparticles (NPs) embedded in junctionless field-effect transistors (JL-FETs) with a length of 3.6 nm are fabricated and demonstrated. The anisotropic wet etching of a silicon-on-insulator (SOI) substrate was utilized to form V-grooves and to define nanometer-scale channel. Metal NPs are selectively placed onto bottom of V-groove using the Bio nano process (BNP). The JL-FET is applied to floating...
This work proposes a bi-direction hydrogen amorphous silicon (a-Si:H) gate driver circuit, which can be properly applied to the active-matrix liquid-crystal displays with integrated touch panels. The fluctuations of display control signals increase the noise of the touch panel during touch sensing period. To solve this problem, the proposed circuit allows the LCDs to pause at any column until the...
Corning has developed three generations of polymeric organic semiconducting (OSC) materials, each with progressively improved electronic performance and processability. These materials possess excellent solubility, mobility and stability. Stanford University has developed a new polymer dielectric material based on a fluoroelastomer. Combined with Coming's OSC polymers, this enables easy to fabricate...
For more than the last 50 years, tremendous researchers have managed to drive revolutionary technology by shrinking silicon transistors, the key building blocks for all computing technology. However, as transistors are approaching fundamental roadblocks which cannot still be in a fashion to be smaller from silicon, researchers are therefore looking for materials to replace silicon. In this sense,...
Atomically-thin materials such as single-walled carbon nanotubes and graphene are prone to chemical attack because all of the constituent atoms are exposed. Here we describe progress from our lab in the synthetic creation of a tube-in-a-tube (Tube⁁2) semiconductor and their first applications in the electrical detection of small molecules and implications on biological sensing. A Tube⁁2 is equivalent...
The sugar chain modified grapheme FET was applied to selectively detect the human type influenza virus and bird type influenza virus. Instead of the real virus, the pseud virus such as Lectin was used for the experiment for the safety. The human type pseud virus selectively reacts with the human type sugar chain which was modified on the grapheme surface and vise versa.
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