Volume 22 Issue 5 - June 8, 2012 PDF
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Articles Digest

Research Express@NCKU Jun. 8 ~ Jun. 21, 2012

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Transformerless DC-DC Converters with High Step-up Voltage Gain
Tsorng-Juu Liang

Abstract -- Conventional DC-DC boost converters are unable to provide high step-up voltage gain due to the effect of power switches, rectifier diodes, and the equivalent series resistance of inductors and capacitors. A topology is presented to achieve high step-up voltage gain, as shown in Fig .1. However, this converter has two issues: 1) Three power devices exist in …

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Efficient NIR Hyperthermia and Intense Nonlinear Optical Imaging Contrast on the Gold Nanorod-in-Shell Nanostructures
Chen-Sheng Yeh

Gold nanorods (Au NRs) simultaneously act as NIR hyperthermia and nonlinear optical imaging agents, an important property for nanobiotechnology. Au NRs with strong surface plasmon resonance (SPR) in the NIR region have shown their potential in photo-induced therapeutic applications. The SPR of Au NRs can locally augment the field of incident electromagnetic waves, increasing the yield of …

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Highly Efficient Quantum-Dot-Sensitized Solar Cell Based on Co-sensitization of CdS/CdSe
Yuh-Lang Lee

Introduction

Dye-Sensitized solar cells (DSSCs) are considered to be alternative to conventional solid-state solar cells recently due to the low production cost and high efficiency1. In this present, semiconductor quantum dots (QDs) were utlitized as the inorganic dye and assembled onto mesoporous TiO2 film by chemical bath deposition for solar cell …

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Fabrication and flow test of long-term hydrophilic fluidic chip without using any surface modification treatment
Chen-Kuei Chung

In order to effectively pump liquid in a fluidic chip, the PDMS or SU8 channels were frequently modified by surface treatments to obtain the hydrophilic surface but encountered the problem of the hydrophobic recovery. In this article, long-term highly hydrophilic fluidic chips were demonstrated using rapid fabrication of low-power CO2 laser ablation and low-temperature glass bonding …

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