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Browsing Theses and Dissertations (School of Chemical, Biological and Environmental Engineering) by Author

Browsing Theses and Dissertations (School of Chemical, Biological and Environmental Engineering) by Author "Chang, Chih-hung"

Now showing items 1-9 of 9

Continuous synthesis of metal-organic frameworks under high pressure

Li, Yong J. (Yong Jun) (2012-03-05)

Metal Organic Framework (MOF) materials, consisting of metal ions with organic linkers, have a functional cavity structure which can be utilized in applications such as catalyst, micro sensing, and gas absorption. Due to ...
Conversion of biomass constituents to hydrogen-rich gas by supercritical water in a microchannel reactor

Goodwin, Aaron K. (2010-09-21)

Microreactors offer high rates of heat transfer able to intensify highly endothermic biomass reforming reactions in supercritical water. In this study, two continuous flow microreactor configurations were used to gasify ...
Electrochemical deposition of thin film CuGaSe₂ for photovoltaics

Permanasari, Rina (2004-01-15)

CuGaSe₂/CuInSe₂ tandem junction solar cell is currently being pursued to be a low cost and high efficiency renewable energy source. A reported theoretical efficiency of 33.9% solar cells has been the motivation to fabr ...
Fabrication of CuInGaSe₂ thin film solar cells using low-cost air-stable inks

Wang, Wei (2012-07-05)

CuInGaSe₂ (CIGS), a promising thin film solar cell material, has gained lots of attention in decades due to its high energy conversion efficiency and potential lower manufacture cost over conventional Si solar cells. A ...
Hydrogen production via a sulfur-sulfur thermochemical water-splitting cycle

AuYeung, Nicholas J. (2011-10-14)

Thermochemical water splitting cycles have been conceptualized and researched for over half a century, yet to this day none are commercially viable. The heavily studied Sulfur-Iodine cycle has been stalled in the early ...
Investigation of solution-based processes for functional metal oxides : printing, nanostructures, and applications

Han, Seung-Yeol (2011-01-04)

The various solution-based processes, spin coating, inkjet printing, microreactor assisted nanoparticle deposition (MANDTM) and spin-successive ionic layer absorption and reaction (Spin-SILAR) were used to demonstrate th ...
A multiple solution, laboratory-scale delivery system and its applications

Gilbuena, Debra M. (2010-10-11)

Researchers around the world use various solution-based deposition techniques to deposit thin films with multiple layers that typically require multiple rounds of deposition. Some such techniques include successive ionic ...
Synthesis of colloidal metal oxide nanocrystals and nanostructured surfaces using a continuous flow microreactor system and their applications in two-phase boiling heat transfer

Choi, Chang-Ho (2013-03-04)

Metal oxide nanocrystals have attracted significant interests due to their unique chemical, physical, and electrical properties which depend on their size and structure. In this study, a continuous flow microreactor syst ...
XAFS investigation of the local structure of cadmium in Cu(In[subscript 0.7]Ga[subscript 0.3])Se₂-based thin films

Ma, Giang N. (2004-03-10)

We have performed fluorescence extended X-ray absorption fine structure (EXAFS) measurements on the Cd K-edge of partial electrolyte (PE) treated Cu(In[subscript 0.7]Ga[subscript 0.3])Se₂ (CIGS) thin film samples using ...