ZNO NANORODS

shown in Fig. 2. The peaks could not be indexed to anyknown single compound indicating that this may be acomplex mixture of oxides and hydroxides or an adduct.Further, the SEM image of the precursor (Fig. 3) also doesnot show any interesting morphological features comparedto that of the product i.e.[r]

NANO EXPRESSZnO Nanorods via Spray Deposition of Solutions Containing ZincChloride and ThiocarbamideTatjana Dedova Æ Olga Volobujeva Æ Jelena Klauson ÆArvo Mere Æ Malle KrunksReceived: 16 May 2007 / Accepted: 12 June 2007 / Published online: 19 July 2007Ó to the authors 2007Abstract In this w[r]

ions s−1 cm−2 and the beam spot was roughly 1 cm2. The projected ion range is calculated by the SRIM2008 code [23] to be 4.9 µm assuming a density for ZnO of 5.6 g/cm3, so the major part of the whole ZnO nanorods were influence by the beam. The irradiated ZnO nanorods are used for PL m[r]

important consideration for space and nuclear applications of ZnO nanostructures based LEDs is that these LEDs should be reliable to withstand and to operate in radiation hard conditions. In this paper, we have investigated the effect of 2 MeV He+ ion irradiation on the optical properties of ZnO nan[r]

[8] E.E. Baldez, N.F. Robaina, R.J. Cassella, Employment of polyurethane foam for the adsorption of methylene blue in aqueousmedium, J. Hazard. Mater. 159 (2008) 580–586.[9] S. Ameen, M.S. Akhtar, Y.S. Kim, O B. Yang, H.S. Shin, An effective nanocomposite of polyaniline and ZnO: preparation,characte[r]

ZnO nanorods: synthesis, characterization and applicationsusing current sensing atomic force microscopy (CSAFM).Au/ZnO heterostructure nanorods exhibited rectifying I–Vcharacteristic curves without significant reverse-bias leakagecurrent up to −8 V (figure 10(a)), resulting presumablyfro[r]

coefficient at nanodimensions, the presence of a strong electrical field at the nanorod-window semiconductor nanojunctions and the carrier confinement in lateral direction are expected to result in enhanced absorption and collection efficiency in the proposed device. Process steps, feasibility, tech[r]

In recent years, semiconducting nanomaterials have been the subject of considerable research due to their unique properties that can be applied to various functional nanodevices. Among them, zinc oxide (ZnO) nanomaterials such as nanowires 4and nanorods have been receiving particular attenti[r]

Reprinted and adapted with permission from (123). * AmericanInstitute of Physics (2006).Fig. 9. a An image of the GaAsP segment within a GaP nanowire.The wire length is approximately 740 nm. b A magnification of theGaAsP segment. The scale bar is approximately 200 nm. Reprintedwith permission from ([r]

3 nanoparticles are relatively nontoxic and the toxicity is further decreased on silica coating. Semiconductor nanostructures. A typical chemical route was explored to synthesize large scale ZnO nanorods with about 21 nm in diameter and 50 nm in length. Toxicological studies on hela cells sho[r]

Introduction ZnO based nanostructure research has drawn considerable attention in the last few years as a multi-functional material due to its versatile properties like near UV [1] and visible (green [2], blue [3] and violet [4]) emission, optical transparency [5], electrical conductivity [6], piezo[r]

have better response characteristics and higher sensi-tivity [19]. ZnO nanostructured thin films consisting ofspheres of diameter approximately 40–65 nm preparedby sol–gel dip coating method for gas sensing applica-tions have been reported [20]. Zhang et al. [21], haveS. S. Hullavarad (&) Á N[r]

microcubesARTICLE IN PRESSContents lists available at ScienceDirectjournal homepage: www.elsevier.com/locate/physePhysica E1386-9477/$ -see front matter & 2008 Elsevier B.V. All rights reserved.doi:10.1016/j.physe.2008.10.001ÃCorresponding author at: Department of Physics, University of Cent[r]

observed on the bottom of the NRs in Fig. 4a.The TEM observations revealed that both all-ZnO andanchored, contacted NRs are wurtzite type single crystalsof high quality (Fig. 5), where the rotational axis is parallelto the [0001] direction.The electrical properties of the individual NRs in Fig. 3awe[r]

et al., 2002), many efforts have been made on 1D ZnO, including NRs to improve the photodection and photoresponse behaviours. It is known that, photodetection and photoresponse of the ZnO NRs depends on the surface condition, structural quality, methods of synthesis and rate of oxygen adsorption and[r]

aligned ZnO nanorods, but also sheds light on controlling theorientation, diameter, and quality of ZnO nanorods byincreasing the crystal quality of ZnO seed layer.Acknowledgments This work is supported in part by the NationalNature Science Foundation of China (No.50772032), MOST of Chi[r]

Although quite a few approaches have been developed for the creation of gold nanorods, wet chemistry promises to become the preferred choice, because of its relative simplicity and use of inexpensive materials. There are three main methods used to produce gold rods through wet chemistry. Chro[r]

NANO EXPRESSAtomic Layer Deposition of ZnO on Multi-walled CarbonNanotubes and Its Use for Synthesis of CNT–ZnOHeterostructuresX. L. Li•C. Li•Y. Zhang•D. P. Chu•W. I. Milne•H. J. FanReceived: 7 June 2010 / Accepted: 26 July 2010 /Published online: 7 August 2010Ó The Author(s) 2010. This article is p[r]

Therefore, the methods to fabricate one-dimensional 1D ZnO such as nanowires and nanorods have receivedthemostattention,forexample,thehigh-temperature physical evaporation [4], the templ[r]

3(JCPDS no. 33-0664) and Au (Fig. 4a).No other diffraction peaks relating to FeOOH or other ironoxides are observed. The morphology of a-Fe2O3–Au hybridnanorods seems changed little compared to FeOOH–Auhybrid nanorods. Au nanoparticles have been homogenouslydeposited onto the surface of a-Fe2[r]