... hexagonal ZnO
nanorods wherein these hexagonal ZnO nanorods are assembled into flower morphology. From
Fig. 1(b), well defined hexagonal ZnO nanorods make an assembly of flower shape. Each ZnO nanorods
possess ... hexag-
onal ZnO nanorods assembled flowers.
3.2. Plausible growth mechanism of hexagonal ZnO nanorods assembled flowers
To investigate the growth of...
... 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 grinded
in agate mortar for 30 min. The ZnO ... mode
of ZnO crystal at 583 cm
− 1
which is associated with oxygen deficien-
cy reveals the high quality of the ZnO nanorods [13,14]. SEM images
of ZnO nanorods are shown in F...
...
Quick eyes quickly –
write
Part 1: Picking up
flowers
Part 2: Quick eyes, quickly
write
Part 3: Let’s sing English
songs
Look at the picture for 10 seconds. Then write
down what’s in the ... “The Hello John” ?
Part 1:
Picking up
flowers
Pick up the flower you like. Answer the
question hidden inside. You’ll get a nice
present for each correct answer.
1
5
9
2
6
10
3
7...
... methods. These nanostruc-
tures provide good blocks for developing high performance gas
sensors. Herein, we report the synthesisof tungsten oxide nanorods
assembled microspheres by a facile hydrothermal ... 2009
Received in revised form 31 March 2009
Accepted 25 April 2009
Available online 7 May 2009
Keywords:
Tungsten oxide
Microsphere
Nanorod
NO
2
Gas sensor
abstract
Tungsten oxide n...
... strain is
developed; however, for prolonged milling when the strain is high, the crystal breaks up
www.intechopen.com
ZnO Nanorods Arrays and Heterostructures for the High Sensitive UV Photodetection ... behaviours of the ZnO NRs
Electronic conductivity of the ZnO NRs significantly enhanced when it is exposed to the
light with wavelength below 380 nm. Using this property, Zn...
... 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 bu...
... LHC
RHC LHC
TT
TT
σ
−
=
+
(3)
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Nanorods
88
When σ = 1, the optical device is optimized for RHC and when σ = -1, it is done for LHC. In
Fig. 9(c), the σ is shown and takes ... and extended), Elsevier, ISBN 0-7506-2634-8, Oxford, United
Kingdom
Li, L. (1996a). Formulation and comparison of two recursive matrix algorithm for modelling
layered diffraction grat...
... aligned ZnO
nanorods. When it attaches to the Zn
2+
ions, particle agglomeration is reduced and ZnO
formation in the solution is slowed.
Fig. 5. XRD patterns of Al-doped ZnO nanorod array before ... the device performance; thus, high mobility nanostructures are needed for good device
performance.
3. ZnO nanorod arrays in ultraviolet photoconductive sensor
Currently, ZnO...
...
Fig. 6. Cross section view of ZnO nanorod arrays electrodeposited on FTO glass
Glass
FTO
ZnO
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Nanorods
124
4.2 The use of nanorods for oligonucleotide detection
Functionalization ... hydrothermally grown vertically
aligned ZnO nanorod arrays are very promising for the fabrication of cost effective and high
performance gas sensors [39].
To use nano...
... Gold Nanorods, Nanorods, Dr. Orhan
Yalçın (Ed.), ISBN: 978-953-51-0209-0, InTech, Available from: http://www.intechopen.com/books /nanorods/ -
preparation-and-characterization-of-gold -nanorods
Nanorods ... ratio. Therefore the color
change could be only observed for relatively short range of aspect ratios. But the tunability
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Nanorods
172
of optical properti...