TW – Page 16 – TechConnect Briefs

Development of Device-Level Chemical-Mechanical Polishing Simulation Module Using Cellular Automata Method

Yeh H.-M., Chen K.-S., National Cheng Kung University, TW

This work briefly presents the basic theory, the development, and a primary demonstration of a device-level chemical-Mechanical Polishing (CMP) CAD module. By integrating the phenomenological material removing relation such as Preston’s equation, contact mechanics, finite [...]

Development of Nitrogen modified TiO2 and activated carbon fiber composites in single step

Tsai C-Y, Hsi H-C, Fan K.-S., National Taipei University of Technology, TW

The aim of this study is to develop visible-light photocatalyst nanopowders by N2 modified TiO2 matrix via gas-phase evaporation condensation with thermal plasma as a heating source. The formed visible-light TiO2 nanopowders are subsequently doped [...]

Fabrication of pyramid array nanostructure on gallium nitride

Hsieh C-C, Ke W.C., Chen N-P, Cheng Y.C., Lin J.C., Lin W.J., Cheng Y.C., Li T-C, Lin J.C., Lin W.J., Lin J.C., Lin W.J., Yuan Ze University, TW

GaN has relatively high refractive index and results in low light extraction efficiency in photonics applications. A novel way to combine the various methods to enhace the efficiency is to construct a pyramid array on [...]

Characteristic Optimization of Single- and Double-Gate Tunneling Field Effect Transistors

Lee K-F, Han M-H, Lo I-S, Yiu C-Y, Li Y., National Chiao Tung University, TW

The simulation results of this study have shown that the device with heavier source doping and shorter effective channel length lead to interesting device performance of TFETs. Such characteristic could be considered for device structure [...]

Comprehensive Examination of Intrinsic-Parameter-Induced Characteristic Fluctuations in 16-nm-Gate CMOS Devices

Han M-H, Li Y., National Chiao Tung University, TW

In this work, the intrinsic device parameter variability including the metal gate workfunction fluctuation (WKF), the process variation effect (PVE), and the random dopant fluctuation (RDF) in 16-nm-gate n-type MOSFETs (NMOS) and p-type MOSFETs (PMOS) [...]

Deposition of layered TiO2/N,C-ITO film electrodes for solar hydrogen production via water splitting

Wu K.R., Hung C.H., Yeh C.W., Wang C.C., Cho T.P., National Kaohsiung Marine University, TW

In this study, a nitrogen/carbon-codoped indium tin oxide (N,C-ITO) film is deposited on unheated ITO glass substrate. Thereafter, a titanium dioxide (TiO2) film is grown on the N,C-ITO layer to be a layered TiO2/N,C-ITO (Ti/TO) [...]

Chemical structure of ZnO nanorod array on a DSSC photoanode

Chang Y-H, Liao C-Y, Wang H.P., Wei Y-L, Fukushima Y., Guo T-F, Chiang Y-F, National Cheng Kung University, TW

The main objective of the present work was to study speciation of ZnO nanorods and the photoexcited electron transfer between photosensitive dyes and the ZnO nanorod arrays (Fig. 1) on the photoanode of a dye-sensitized [...]

Mesoporous TiO2 hollow spheres on a DSSC photoanode

Liao C-Y, Wang H.P., Lin H-P, National Cheng Kung University, TW

To enhance solar energy efficiency of a dye-sensitized solar cell (DSSC), high crystallinity mesoporous TiO2 hollow spheres (MHS-TiO2) have been coated on the photoanode. The MHS-TiO2 was prepared by calcination of the Ti(OBu)4 coated mesoporous [...]

Preparation and Application of Copper Oxide Nanoparticles

Chang M-H, Tai C.Y-D, National Taiwan University, TW

The aim of this research was to synthesize copper oxide (CuO) nanoparticles, which were further applied to prepare CuO-water nanofluid, using a spinning disk reactor (SDR). The precursor of copper oxide was first synthesized by [...]

Effect of C Content and Calcination Temperatures on the Characteristics of C-doped TiO2 Photocatalyst

Chen F.Y., Lin Y.-T., National Chung Hsing University, TW

This study is about the effect of carbon content and calcination temperatures on the characteristics of C-doped TiO2 prepared by sol gel method. Synchrotron radiation with high energy and resolution was applied for the identification [...]