Random laser behavior in Gold-doped Zinc Oxide nanorods structures

Abstract The random laser was investigated in gold-doped Zinc Oxide nanorods (Au-doped ZnO NRs) under a range of pumping power 0.25 - 4.66 mW. The Au-doped ZnO NRs prepared by chemical bath deposition (CBD) on the ZnO seed layer, were pre-coated on glass substrate using radio frequency magnetron sputtering (Rf-sputtering). The morphological of Au-doped ZnO NRs shows a hexagonal and strong vertically alignment against the substrate. The Energy dispersive spectroscopy (EDX) spectrum and elemental mapping results confirmed that Au atoms (at.%) are doped and spread over the ZnO NRs. More interestingly, the random laser of Au-doped ZnO shows a redshift of ~38 nm. This study showed the ability of using doping as a tuning parameter in the random laser, also provided an emphasis on Au-doped ZnO NRs as suitable options for controllable random laser devices.

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A La-doped ZnO ultra-flexible flutter-piezoelectric nanogenerator for energy harvesting and sensing applications: a novel renewable source of energy

Nanoscale ◽

10.1039/c9nr02560j ◽

2019 ◽

Vol 11 (29) ◽

pp. 14032-14041 ◽

Cited By ~ 8

Author(s):

Rajagopalan Pandey ◽

Gaurav Khandelwal ◽

Iyamperumal Anand Palani ◽

Vipul Singh ◽

Sang-Jae Kim

Keyword(s):

Zinc Oxide ◽

Energy Harvesting ◽

Zinc Oxide Nanorods ◽

Renewable Source ◽

Sensing Applications ◽

Oxide Nanorods ◽

Wet Chemical ◽

Doped Zno ◽

Self Powered ◽

La Doped

Doped zinc oxide nanorods synthesized via a wet chemical approach were used to fabricate an ultra-flexible flutter-piezoelectric nanogenerator (UF-PENG) for superior energy harvesting and self-powered sensing applications.

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Optical Properties of Al Doped Zinc Oxide Nanorods Thin Film Deposited by Immersion Technique

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.667.388 ◽

2013 ◽

Vol 667 ◽

pp. 388-392

Author(s):

S.Z. Muhamed ◽

Mohamad Hafiz Mamat ◽

Mohamad Rusop

Keyword(s):

Thin Film ◽

Zinc Oxide ◽

Electrical Properties ◽

Surface Morphology ◽

Immersion Time ◽

Zno Nanorods ◽

Zinc Oxide Nanorods ◽

Oxide Nanorods ◽

Immersion Technique ◽

Doped Zno

We investigated the effect of immersion time on optical, electrical properties and surface morphology of nanostructured Aluminium (Al) doped Zinc Oxide (ZnO) thin films prepared by immersion technique. UV-Vis-NIR spectra indicate that the transmittance of the samples decrease with immersion time. Electrical properties study reveals the nanostructured Al doped ZnO thin film at 1 hr shows the lowest resistivity compared to other samples. Surface morphology results as characterized by scanning electron microscope (SEM) show that the Al doped ZnO nanorods quantity increased with immersion time.

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Ex Situ Doping of ZnO Nanorods by Spray Pyrolysis Technique

Materials Science Forum ◽

10.4028/www.scientific.net/msf.756.16 ◽

2013 ◽

Vol 756 ◽

pp. 16-23 ◽

Cited By ~ 2

Author(s):

Siti Nor Qurratu Aini Abd Aziz ◽

Swee Yong Pung ◽

Zainovia Lockman ◽

Nur Atiqah Hamzah ◽

Yim Leng Chan

Keyword(s):

Zinc Oxide ◽

Spray Pyrolysis ◽

Spray Pyrolysis Technique ◽

Zno Nanorods ◽

Zinc Oxide Nanorods ◽

Ex Situ ◽

Violet Emission ◽

Agent Based ◽

Oxide Nanorods ◽

Doped Zno

An ultraviolet (UV) shielding agent based on Fe-doped zinc oxide nanorods (ZnONRs) was synthesized by ex-situdoping using spray pyrolysis technique. These Fe-doped ZnO NRs could reduce the inherent photocatalytic activity of zinc oxide while still maintaining their ultraviolet filtering capability. In this work, the effect of doping duration by spray pyrolysis technique on the optical property and photocatalytic efficiency of ZnO NRs was studied. The room temperature photoluminescence (PL) analysis on the Fe-doped ZnO NRs indicates the red-shift of violet emission peak, i.e. from 378.97 nm (undoped) to 381.86 nm (60 mins.doping). Besides, the reduction of IUV/Vis ratio of PL reveals that the ex-situ Fe doping deteriorated the crystal quality of ZnO NRs. The photocatalytic study shows that the rate constant of Fe-doped ZnO NRs was smaller than the undoped ZnO NRs. It means that the Fe-doped ZnO NRs were less effective in degrading the RhB solution.

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Vertically aligned indium doped zinc oxide nanorods for the application of nanostructured anodes by radio frequency magnetron sputtering

CrystEngComm ◽

10.1039/c2ce25220a ◽

2012 ◽

Vol 14 (11) ◽

pp. 3907 ◽

Cited By ~ 25

Author(s):

P. Sundara Venkatesh ◽

V. Ramakrishnan ◽

K. Jeganathan

Keyword(s):

Zinc Oxide ◽

Magnetron Sputtering ◽

Radio Frequency ◽

Radio Frequency Magnetron ◽

Zinc Oxide Nanorods ◽

Radio Frequency Magnetron Sputtering ◽

Oxide Nanorods ◽

Vertically Aligned

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One-step hydrothermal process for self-assembly of zinc oxide nanorods array on Al-doped ZnO nanoplate surface

Acta Physica Sinica ◽

10.7498/aps.61.027802 ◽

2012 ◽

Vol 61 (2) ◽

pp. 027802

Author(s):

Liu Jia ◽

Xu Ling-Ling ◽

Zhang Hai-Lin ◽

Lyu Wei ◽

Zhu Lin ◽

...

Keyword(s):

Zinc Oxide ◽

Self Assembly ◽

Hydrothermal Process ◽

Zinc Oxide Nanorods ◽

Nanorods Array ◽

Oxide Nanorods ◽

One Step ◽

Doped Zno

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Optimizing zinc oxide nanorods based DSSC employing different growth conditions and SnO coating

Journal of Materials Science Materials in Electronics ◽

10.1007/s10854-020-05001-2 ◽

2021 ◽

Author(s):

Syed Afaq Ali Shah ◽

Zhongyi Guo ◽

Muhammad Hassan Sayyad ◽

Jinghua Sun

Keyword(s):

Zinc Oxide ◽

Growth Conditions ◽

Zinc Oxide Nanorods ◽

Oxide Nanorods

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Optimisation of zinc oxide nanorods for use in dye sensitised solar cells

Materials Research Innovations ◽

10.1179/1433075x11y.0000000007 ◽

2011 ◽

Vol 15 (6) ◽

pp. 401-405 ◽

Cited By ~ 1

Author(s):

S K Lim ◽

H Q Le ◽

G K L Goh ◽

K K Lin ◽

S B Dolmanan

Keyword(s):

Zinc Oxide ◽

Solar Cells ◽

Zinc Oxide Nanorods ◽

Oxide Nanorods

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Cellulose Nanofiber-Based Nanocomposite Films Reinforced with Zinc Oxide Nanorods and Grapefruit Seed Extract

Nanomaterials ◽

10.3390/nano11040877 ◽

2021 ◽

Vol 11 (4) ◽

pp. 877 ◽

Cited By ~ 1

Author(s):

Swarup Roy ◽

Hyun Chan Kim ◽

Pooja S. Panicker ◽

Jong-Whan Rhim ◽

Jaehwan Kim

Keyword(s):

Thermal Stability ◽

Zinc Oxide ◽

Seed Extract ◽

Cellulose Nanofiber ◽

Nanocomposite Films ◽

Zinc Oxide Nanorods ◽

Precipitation Method ◽

Active Food Packaging ◽

Oxide Nanorods ◽

Grapefruit Seed Extract

Here, we report the fabrication and characterization of cellulose nanofiber (CNF)-based nanocomposite films reinforced with zinc oxide nanorods (ZnOs) and grapefruit seed extract (GSE). The CNF is isolated via a combination of chemical and physical methods, and the ZnO is prepared using a simple precipitation method. The ZnO and GSE are used as functional nanofillers to produce a CNF/ZnO/GSE film. Physical (morphology, chemical interactions, optical, mechanical, thermal stability, etc.) and functional (antimicrobial and antioxidant activities) film properties are tested. The incorporation of ZnO and GSE does not impact the crystalline structure, mechanical properties, or thermal stability of the CNF film. Nanocomposite films are highly transparent with improved ultraviolet blocking and vapor barrier properties. Moreover, the films exhibit effective antimicrobial and antioxidant actions. CNF/ZnO/GSE nanocomposite films with better quality and superior functional properties have many possibilities for active food packaging use.

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