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1-Dimensional Metal Oxide Nanostructures: Growth, Properties, and Devices

為了解決sol-gel process的問題，作者Lockman, Zainovia (EDT) 這樣論述：

1-D metal oxide nanostructures, especially those with semiconducting properties, have attracted much attention in recent years due to their potential and emerging applications, specifically in environment purification and energy devices. For these applications, there have been many efforts to grow 1

-D nanostructures in the form of nanotubes, nanorods, and nanowires using processes that conserve energy, are cost effective, and can be scaled up for large-scale production.1-Dimensional Metal Oxide Nanostructures gathers under one title the most recent development of oxide nanomaterials, especiall

y those fabricated via oxidation process in the nanoscale field. Thermal and anodic oxidation processes are reviewed with an aim to offer an in-depth understanding of mechanisms of 1-D nanostructure formation, their characteristics, and limitations. Other more common methods are also discussed, incl

uding sol-gel, hydrothermal, and other templated methods. Important applications of 1-D nanostructures are then presented, focusing on oxides like zinc oxide, titanium oxide, zirconium oxide, copper oxide, and iron oxide. A chapter on carbon nanotubes hybrid with these oxides is also included as wel

l as one on silicon oxide nanowires formation by local anodic oxidation process.Aimed at researchers, academics, and engineers working across the fields of nanotechnology, materials science, chemistry, physics, semiconductors, and environmental and biomedical engineering, this essential reference en

ables readers to grasp the main concepts of nanomaterials in 1-D: formation technique, characteristics, and uses. It also encourages practical innovations in nanotechnology, especially in curbing pressing global issues related to energy, environment, and security. Zainovia Lockman is a lecturer of

Materials Engineering at the School of Materials & Mineral Resources Engineering (SMMRE), Universiti Sains Malaysia (USM). She graduated from Imperial College London in 1999 with a first-class honours degree in Materials Science and Engineering. She received her PhD in 2003 from Imperial College Lo

ndon as well majoring in electronics material (superconductors). After receiving her PhD, Dr. Lockman worked as a postdoctoral research fellow at Imperial College before moving to University of Cambridge, UK, working on thin film and nanostructured oxides. Her main interest has since revolved around

thin film oxide fabrication via oxidation method for various electronic devices. Upon joining USM in 2004, Dr. Lockman and her research team at SMMRE have focused on electronic semiconducting oxide. In 2006, she went for a long research attachment at University of Cambridge to start on anodic oxida

tion process for photocatalytic TiO2 nanotubes formation. Dr Lockman is now leading the Nanomaterials Niche Area at SMMRE. Her research team, Green Electronic Nanomaterials Group, has been working on synthesis of oxide nanomaterials (nanotubular, nanowires, nanoparticles and nanopores) for environme

nt protection, energy generation, saving, and transfer (i.e., nanomaterials for green technology). The team has many outstanding achievements portrayed by the vast numbers of research publications in notable, international journals, chapter in books, and research grants awarded. Dr. Lockman is a rec

ipient of Nippon Sheet Glass Foundation Japan award, Malaysian Solid State Science and Technology Society (MASS) award for Young Researcher, Young Scientist Award, Springer, L’Oréal-UNESCO for Women in Science Award, and United Kingdom Prime Minister’s Initiative 2 for International Education (PMI 2

) award through Imperial College London. Her research group has also has done various outreach programmes to secondary schools and has helped in community projects for enhancing scientific interest among locals. Dr. Lockman is an active member of Young Scientist Network - Academy of Sciences Malaysi

a, treasurer for the Microscopy Society Malaysia, and a committee member for Malaysia Nanotechnology Association. She is supervising 13 postgraduate students and graduated 23 since 2006.

Supercritical Fluid Nanotechnology: Advances and Applications in Composites and Hybrid Nanomaterials

為了解決sol-gel process的問題，作者Domingo, Concepcion (EDT)/ Subra-paternault, Pascale (EDT) 這樣論述：

The environmental and climate program demands technological solutions in the chemical industry that incorporate prevention of pollution. Major advances are needed to reduce the use of organic solvents, such as methanol, toluene, xylene, methyl ethyl ketone, and dichloromethane, which account for 27

percent of total toxics release inventory chemicals. The replacement of those solvents is a key point to enable the transition from classical synthesis to green chemistry and nanotechnology concepts, i.e., to sustainability. The first radical option to achieve this goal is to completely avoid the us

e of solvents, as occurs in mechanochemical processes. A wide-range synthesis prospect is given by identifying between known solvents those with less negative environmental impact. This book concerns the analysis of the advantages of using compressed CO2 to produce not only improved materials in a b

etter way, but also new nanoproducts. Recovering and using CO2, otherwise released into the atmosphere, is a means of recycling emissions resulting from other users. The use of supercritical CO2 is a complex option from a conceptual point of view requiring enhanced technical preparation. Concepció

n Domingoreceived her MSc in chemistry at the Barcelona University (Spain) followed, in 1992, by a PhD in materials science. In 1994 she joined the Chemical Engineering Department at the TU-Delft (the Netherlands), starting the research in the area of supercritical fluids. Currently, she is leader o

f the Supercritical Fluids and Functional Materials group at the Materials Science Institute of Barcelona (CSIC). She has focused her scientific objectives on the synthesis, characterization, and development of micro- and nanoparticulate systems and the preparation of composite materials by using tw

o major groups of processing methods: colloidal solutions and sol-gel routes to supercritical solutions. Dr. Domingo has published more than 100 articles in internationally recognized journals, most of them related to supercritical fluid technology for nanomaterials preparation, encapsulation, and f

unctionalization, applied to biomaterials and high-tech functions. Most of her research is directed to the synthesis and functionalization of porous systems using supercritical CO2 for high-performance applications.Pascal Subra-Paternault is a CNRS senior scientist who has been working with supercri

tical fluids for more than 25 years in the fields of natural products, crystallization, particles generation, and modification (precipitation, formulation, coating, infiltration, surface grafting). After obtaining a PhD in analytical chemistry in 1989, she pursued her career at LIMHP (Materials and

Process Engineering), spent a year at Princeton University, USA (P. Debenedetti’s group), moved to Université de Bordeaux in 2006, and joined CBMN Institute in 2011 (processing bio- and pharmaceutical molecules), where she leads a team of 10 members. Her research, supported by European, national, an

d private funding, is currently focused on extraction, purification, and formulation of bioactive molecules (mostly lipids and polyphenols) and fabrication of cocrystals.

結合Breath Figure 週期性液滴透鏡之奈米雷射直寫加工技術

為了解決sol-gel process的問題，作者黃彬勝 這樣論述：

　本研究為利用液滴透鏡輔助奈秒雷射於矽基板上加工奈米結構。開發的技術重點是利用Breath Figure法生成的高分子薄膜微孔模板，並在此模板上浸潤甘油來形成微米尺度之液態透鏡陣列，做為雷射二次聚焦之透鏡，再結合雷射熔融基板材料形成微奈米結構的製造技術。　　在Breath Figure製作上，將Polystyrene、Polymethylmethacrylate與甲苯混合成高分子溶液，透過甲苯高揮發特性以帶走基板表面熱能，使環境中水分子冷凝於基板表面，待溶液蒸發完畢形成高分子微孔薄膜。本論文使用Dip Coating方式測試兩種拉升速度，900 mm/min與400 mm/min，以製作所需

之微孔薄膜。其所形成之微孔孔徑在拉升速度900 mm/min時介於 1.2 μm 至 3.8 μm之間，400 mm/min則是介於1 μm 至3.6 μm之間，而孔洞剖面為橢圓狀，在拉升速度900與400 mm/min膜厚分別為1.5、1.2 μm。　　接著於微孔孔洞內浸潤甘油形成甘油透鏡，將雷射光經由甘油透鏡二次聚焦達到熔融矽基板。在本研究中探討不同雷射功率與不同掃描間距對於所加工出結構之影響。其結果顯示在雷射以掃描間距20 μm、正離焦4.8 mm、雷射功率密度介於1.63×107~1.74×107 W/cm2能加工出矽微奈米結構，經由量測得知微峰結構直徑介於1.1~1.4 μm之間。在

拉升速度400 mm/min所加工出來的結構高度介於20~160 nm，而在拉升速度900 mm/min結構高度介於20~130 nm。