Spontaneous growth of superstructure alpha-Fe2O3 nanowire and nanobelt arrays in reactive oxygen plasma.

One-dimensional a-Fe2O3 is a promising nanomaterial for advanced applications in catalysis and water splitting, environmental protection, sensors, dye solar cells, magnetic storage media, bioprocessing, and controlled drug delivery and detection, especially as carriers of antigens for prion detection and PCR manipulation. a-Fe2O3 nanowires have been successfully synthesized by various methods based on templates, hydrothermal conditions, sol–gel-mediated reactions, solvothermal conditions, gas decomposition, direct thermal oxidation (in a gas atmosphere of CO2, SO2, O2, and NO2), [7] chemical vapor deposition (CVD), and plasmaenhanced chemical vapor deposition (PECVD). The methods based on direct thermal oxidation, gas decomposition, and CVD reported to date require long synthesis times and high temperatures and therefore limit the efficiency of oxide nanowire synthesis. The application and commercialization of nanowires or nanobelts requires simple synthetic methods that can be scaled for both large areas and large quantities. Recently, we discovered a new universal method for the synthesis of transition metal oxide nanowires and nanobelts by direct plasma oxidation of bulk materials. It has been successfully applied for the rapid synthesis of high-density niobium oxide nanowires. In this process, there is no

[1]  Jih-Jen Wu,et al.  Growth and Magnetic Properties of Oriented α-Fe2O3 Nanorods , 2006 .

[2]  Jun Chen,et al.  α‐Fe2O3 Nanotubes in Gas Sensor and Lithium‐Ion Battery Applications , 2005 .

[3]  Tianmiao Wang,et al.  Defects and growing mechanisms of α-Fe2O3 nanowires , 2006 .

[4]  C. Kisielowski,et al.  Bicrystalline hematite nanowires. , 2005, The journal of physical chemistry. B.

[5]  J. Misewich,et al.  Oxygen-deficiency-induced superlattice structures of chromia nanobelts. , 2006, Angewandte Chemie.

[6]  I. Chourpa,et al.  Molecular composition of iron oxide nanoparticles, precursors for magnetic drug targeting, as characterized by confocal Raman microspectroscopy. , 2005, The Analyst.

[7]  Deliang Chen,et al.  A facile route for high-throughput formation of single-crystal α-Fe2O3 nanodisks in aqueous solutions of Tween 80 and triblock copolymer , 2004 .

[8]  D. Xue,et al.  The fabrication and magnetic properties of nanowire-like iron oxide , 2004 .

[9]  Kostya Ostrikov,et al.  Colloquium: Reactive plasmas as a versatile nanofabrication tool , 2005 .

[10]  A. Ricard,et al.  An Iron Catalytic Probe for Determination of the O-atom Density in an Ar/O2 Afterglow , 2006 .

[11]  P. Umek,et al.  Synthesis, structure, and magnetic properties of iron-oxide nanowires , 2006 .

[12]  Li Wan,et al.  Self‐Assembled 3D Flowerlike Iron Oxide Nanostructures and Their Application in Water Treatment , 2006 .

[13]  Novel Nanopyramid Arrays of Magnetite , 2005 .

[14]  H. Zhang,et al.  Synthesis of large arrays of aligned α-Fe2O3 nanowires , 2003 .

[15]  Jae-pyoung Ahn,et al.  Sol–Gel Mediated Synthesis of Fe2O3 Nanorods , 2003 .

[16]  Miran Mozetič,et al.  Behaviour of oxygen atoms near the surface of nanostructured Nb2O5 , 2007 .

[17]  Zhong Lin Wang,et al.  p‐Type α‐Fe2O3 Nanowires and their n‐Type Transition in a Reductive Ambient , 2007 .

[18]  K. Hashimoto,et al.  Giant Coercive Field of Nanometer‐ Sized Iron Oxide , 2004 .

[19]  Hye Jin Chun,et al.  Magnetic anisotropy of vertically aligned α-Fe2O3 nanowire array , 2006 .

[20]  M. Mozetič,et al.  Long-Range Ordering of Oxygen-Vacancy Planes in α-Fe2O3 Nanowires and Nanobelts , 2008 .

[21]  A. Lakhtakia,et al.  Biological reduction of nanoengineered iron(III) oxide sculptured thin films. , 2006, Environmental science & technology.

[22]  M. Apuzzo,et al.  Toward the Emergence of Nanoneurosurgery: Part II—Nanomedicine: Diagnostics and Imaging at the Nanoscale Level , 2006, Neurosurgery.

[23]  Bing Liu,et al.  Synthesis and Characterization of Single Crystal a-Fe2O3 Nanobelts , 2005 .

[24]  L. Chou,et al.  Systematic Study of the Growth of Aligned Arrays of α‐Fe2O3 and Fe3O4 Nanowires by a Vapor–Solid Process , 2006 .

[25]  Hao‐Li Zhang,et al.  Magnetic properties and magnetization reversal of α-Fe nanowires deposited in alumina film , 2000 .