zno nanorod
ZnO nanorods synthesis, characterization and applications 31034
... www.intechopen.com ZnO Nanorods Arrays and Heterostructures for the High Sensitive UV Photodetection 7 the Au /ZnO/ Si substrate the nucleation sites of ZnO NRs have the same orientation as ZnO thin ... 2. Growth of ZnO nanorods ZnO is a II-VI group compound semiconductor whose ionic nature in between covalent and ionic semiconductor. Although the crystal structures shared by ZnO are wurtzite, ... oriented ZnO NRs grown at 800°C. In the first step of ZnO NRs growth, a ZnO seed layer was deposited by RF-magnetron sputtering followed by deposition of ultrathin Au layer by DC sputtering. Then ZnO...
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ZnO nanorods synthesis, characterization and applications 31035
... solution-growth ZnO nanorod thin films 2.1 Fabrication of ZnO seed layers The ZnO- coated glass substrate acted as the seed layer for the growth of well-aligned ZnO nanorods in aqueous solution. The ZnO ... mechanism of ZnO nanorods fabricated by the aqueous solution method. The proposed mechanism includes three steps: (1) fine and independent ZnO nanorods grew and bundled together. (2) fine ZnO nanorods ... scattering between unfilled inter-columnar voids, inclined ZnO nanorods, and perpendicular ZnO nanorods in the poor-quality ZnO nanorod films. This effect leads to the destruction of the interference...
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ZnO nanorods synthesis, characterization and applications 31037
... in Metallic Nanorod Array and Their Application 85 Fig. 6. Unit cell structures and the T spectra of Ag nanorod array embedded in a Si layer on SiO2 substrate. Gaps of Ag nanorods along ... Emerged in Metallic Nanorod Array and TheirApplication, Nanorods, Dr. Orhan Yalçın (Ed.), ISBN: 978-953-51-0209-0, InTech, Available from:http://www.intechopen.com/books/nanorods/collective-plasmonic-states-emerged-in-metallic -nanorod- array-and-their-application ... periodicity is 250 nm. The nanorods are parallel to the y axis and infinitely long. The nanorods in the top layer have the xz rectangular sections of 100×50 nm2. The other nanorods have the xz...
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ZnO nanorods synthesis, characterization and applications 31038
... that the diameter sizes of nanorods decreased after Al ions doping. The sizes of the undoped ZnO nanorods varied from 80 to 120 nm, while the sizes of the Al-doped ZnO nanorods ranged from 30 ... stabiliser. www.intechopen.com Nanorods 112 0 500 1000 1500 2000 2500 30000.000.050.100.150.20UV OnUV Off Undoped ZnO Nanorod Al-Doped ZnO Nanorod Time (s)Photocurrent (mA) ... illumination in ZnO- nanorod- array-based UV photoconductive sensor 6. Conclusions The performance of a UV photoconductive sensor using ZnO nanostructures, particularly ZnO nanorod arrays,...
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ZnO nanorods synthesis, characterization and applications 31039
... time. Fig. 6. Cross section view of ZnO nanorod arrays electrodeposited on FTO glass Glass FTO ZnO www.intechopen.com Nanorods 126 4.3 The use of nanorods for applied electric field Prominent ... location [7]. Literature values must be used cautiously in nanorod studies. 4. Application of nanorod Nanorods have wide application. 4.1 Nanorods for dye solar cells The dye-solar cell (DSC or ... Application of Nanorods, Nanorods, Dr. Orhan Yalçın (Ed.), ISBN: 978-953-51-0209-0, InTech, Available from: http://www.intechopen.com/books/nanorods/synthesis-and-application-of-nanorods Synthesis...
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ZnO nanorods synthesis, characterization and applications 31041
... Gold Nanorods, Nanorods, Dr. OrhanYalçın (Ed.), ISBN: 978-953-51-0209-0, InTech, Available from: http://www.intechopen.com/books/nanorods/-preparation-and-characterization-of-gold-nanorods Nanorods ... Another important www.intechopen.com Nanorods 172 of optical properties gold nanorods as a function of aspect ratio provides potentials to use gold nanorods as an optical filter in near ... controlling not only the length of the nanorods but also the yield, with shorter chain lengths producing shorter nanorods and longer chain lengths leading to longer nanorods in higher yields (Pérez-Juste...
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ZnO nanorods synthesis, characterization and applications 박진호(1208)
... fabricated on a single ZnO nanorod. Conductance of the biotin-modified ZnO nanorod electronic biosensors was drastically increased upon exposureto streptavidin, indicating that ZnO nanorod biosensors ... (M/SC) nanorod heterostructures simply by evaporating metal onto ZnO nanorod tips [87]. Since metal is selectively depositedon ZnO nanorod top surfaces, the interface between themetal layer and ZnO ... TEM image of aAu /ZnO nanorod heterostructure [115]. nanorod heterostructures were measured by placing aAu-coated conducting tip on individual nanorod top surfacesS30 ZnO nanorods: synthesis,...
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hexagonal zno nanorods assembled flowers for
... hexagonal ZnO nanorods wherein these hexagonal ZnO nanorods are assembled into flower morphology. FromFig. 1(b), well defined hexagonal ZnO nanorods make an assembly of flower shape. Each ZnO nanorodspossess ... synthesized hexag-onal ZnO nanorods assembled flowers.3.2. Plausible growth mechanism of hexagonal ZnO nanorods assembled flowersTo investigate the growth of synthesized hexagonal ZnO nanorods assembled ... of wurtzite phase of ZnO [27], indicating the defect free and good crystallinity of hexagonal ZnO nanorods. Hence, theseobservations affirm that synthesized hexagonal ZnO nanorods exhibit typical...
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hydrothermal growth of zno nanorods the role of kcl in controlling
... tailored ZnO nanorods fromaqueous solution has been developed through incorporation of KCl intothe hydrothermal growth bath. KCl acts as a growth modifier throughstabilization of the polar (002) nanorod ... hydrothermal growth of ZnO and t heir influence on nanorod m orpholog y and vertical o rientation[34].Herewereportasignificant advance of this preliminary work inwhich exceptional control o f nanorod morphology ... layers in organic light emitting diodes.2. Experimental details2.1. ZnO nanorod preparationA two-stage deposition process for nanorod growth was adaptedfrom existing literature [21,24];Seed...
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microwave assisted hydrothermal synthesis of single crystalline zno nanorods for
... quality of the ZnO nanorods [13,14]. SEM imagesof ZnO nanorods are shown in Fig. 1c which shows the formation ofwell dispersed ZnO nanorods. The length and width of these ZnO nanorods varied ... the ZnO nanorods for CO/ethanol/acetaldehyde gases, a sensor device was prepared as follows; ZnO powder (0.1 g) was mixed with α-terpinol (500 μl) and grindedin agate mortar for 30 min. The ZnO ... patterns, it is seen that these ZnO nanorods are single crys-talline in nature, with a growth direction along the c-axis.Fig. 2 shows the resistance change of ZnO nanorods at varioustemperatures...
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Báo cáo sinh học: " Influence of helium-ion bombardment on the optical properties of ZnO nanorods/p-GaN light emitting diodes" pot
... [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 measurements and ... the as-grown ZnO nanorods were investigated by using JEOLJSM-6301F SEM. The top SEM view of as-grown and irradiated ZnO nanorods are shown in Figure 1a,b,c, respectively. The ZnO structures ... growth of the ZnO nanorods with respect to the p-GaN substrates, forming n -ZnO- (nanostructures)/p-GaN p-n heterojunction. From the SEM images, the mean diameters of our as-grown ZnO nanorods was...
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báo cáo hóa học:" Influence of helium-ion bombardment on the optical properties of ZnO nanorods/p-GaN light emitting diodes" pdf
... [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 measurements and ... the as-grown ZnO nanorods were investigated by using JEOLJSM-6301F SEM. The top SEM view of as-grown and irradiated ZnO nanorods are shown in Figure 1a,b,c, respectively. The ZnO structures ... growth of the ZnO nanorods with respect to the p-GaN substrates, forming n -ZnO- (nanostructures)/p-GaN p-n heterojunction. From the SEM images, the mean diameters of our as-grown ZnO nanorods was...
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Báo cáo hóa học: " Improved characteristics of near-band-edge and deep-level emissions from ZnO nanorod arrays by atomic-layer-deposited Al2O3 and ZnO shell layers" potx
... Therefore, highly conformal Al2O3and ZnO shell layers could be deposited upon the surface of ZnO nanorods by ALD to form the ZnO/ Al2O3and ZnO/ ZnO core-shell NRAs in this study. PL measurementswere ... deep-level band from ZnO/ Al2O3and ZnO/ ZnO core-shell nanorod arrays (NRAs). Vertically aligned ZnO NRAs were synthesized by an aqueous chemicalmethod, and the Al2O3and ZnO shell layers ... interstitials inside the ZnO core was observed inthe PL spectrum. F igure 6c shows that the extension offlat-band region in the ZnO core can reach the ZnO/ ZnO core-shell interface as the ZnO shell layer...
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