TW – Page 14 – TechConnect Briefs

Optical Properties of Ternary Alloyed Cd1-xZnxSe Semiconductor Nanocrystals

Chen I-H., Wang K-W, Chung S-R, National Formosa University, TW

In order to obtain high quantum yield (QY) nanocrystals and simplify the preparation procedure, one-pot synthetic method is conducted to prepare ternary alloyed nanocrystals. Ternary alloyed Cd1-xZnxSe (x=0, 0.2, 0.5, 0.8 and 1) semiconductor nanocrystals [...]

Re-dispersible ZrO2 powders for transparent high RI nanocomposite

Wang S-H., Sun Y.S., Chiang A.S.T., National Central University, TW

Previous products of nano-ZrO2 usually come in the form of dispersed sol. When they are to be used in organic/inorganic composite, the solvent accompanied may not be compatible with the target polymer system. We have [...]

Synthesis of platelet carbon nanofibers by an injection CVD method and their applications in hydrogen storage

Wu H.C., Li Y.Y., National Chung Cheng University, TW

In this manuscript, there are some significant results summarized as follows: 1. The platelet graphite nanofiners (PGNFs)were continuously produced by a vertical chemical vapor deposition reactor. 2. A detailed study found that the sulfur concentration [...]

Platelet graphite nanofibers synthesized by the pyrolysis of poly(ethylene glycol)/hydrochloric acid mixture and nickel catalyst

Lin W-H, Li Y.Y., Lin W-H, National Chung Cheng University, TW

The synthesis of platelet graphite nanofibers (PGNFs) by the thermal decomposition of mixture contain poly(ethylene glycol) (PEG) and hydrochloric acid (HCl) at 700 oC using Ni as a catalyst.The PGNFs synthesized with mix HCl in [...]

Nano-imprinting technology applied in pentacene films

Chang M-H, Chou W-Y, National Cheng Kung University, TW

The control of polymorphism in organic semiconductor films has attracted considerable interest for improvement in the device performance. In the present study, nano-imprinting technology is used to control polymorphism in pentacene film. Furthermore, we demonstrate [...]

Mechanical properties of PECVD Si3N4 thin films with rapid thermal annealing using finite element simulation

Chiang C-Y, Huang Z-K, Chen K.-S., National Cheng Kung University, TW

The entire study includes Si3N4 specimen fabrication, material and mechanical characterization, a new physical model derivation, as well as the corresponding finite element analysis (FEA) and simulations. Nevertheless, the standard method used for nanoindentation were [...]

Method of Liquid Inactivation by Supercritical Ozone

Ma H.C., Yu F.C., Liang C.C., Wang C.F., Kao M.J., Chuang B.N., Industrial Technology Research Institute, TW

Ozone is a tri-atom molecule with powerful oxidizing ability and decay to oxygen with a half-life of approximately 30 minutes. Although the precise mechanisms of ozone disinfection are not firmly established, the effectiveness was already [...]

High Performance Solid Polymer Electrolyte Membranes Prepared from Polyether Ether Ketone Composites

Wu G.M., Hsu I.C., Lin S.J., Chang Gung University, TW

High performance solid polymer electrolyte membranes (SPEM) were prepared from polyether ether ketone (PEEK) with high mechanical strength and thermal stability. The sulfonation reaction improved membrane hydrophilicity and water absorbility, and thus increased ionic conductivity [...]

Shape Effect on the Reflectance of Sub-Wavelength Structures on Silicon Nitride for Solar Cell Application

Sahoo K.C., Li Y., Chang E.Y., National Chiao Tung University, TW

Sub-wavelength structure (SWS) on anti-reflection coating instead of semiconductor surface can improve the efficiency of silicon solar cell has been studied both numerically and experimentally recently. The shape of the SWS may be somewhat variable [...]

High-temperature Desulfurization with Nanosize ZnO

Wang H.P., Wang T.C., Kang H.Y., Wang H.P., Wang T.C., Jou J.G., Wei J.L., National Cheng Kung University, TW

Thermal efficiencies of an integrated gasification combined cycle (IGCC) process can be enhanced with high-temperature desulfurization. Nanosize, sub-nano (clusters) and atomic-dispersed ZnO has been prepared for the high-temperature desulfurization. An enhanced absorbance of the nanosize [...]