Shape controlled growth of ZnO nanorods and fabrication of ZnO/CuO heterojunctions by chemical bath deposition using zinc nitrate hexahydrate and copper (III) nitrate trihydrate

Terasako, Tomoaki; Hambali, Nur Ashikyn; Jayah, Nurul Azzyaty; Wakisaka, Toshiya; Hashim, Abdul Manaf; Yagi, Masayuki

doi:10.1016/j.tsf.2015.07.082

Cited by 10 publications

(6 citation statements)

References 40 publications

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“…: +90-446-2243032; fax: +90-446-2243016. E-mail address: morkocsibel@gmail.com (S. Morkoç Karadeniz) deposition parameters such as pH of the bath, temperature of the bath, concentration of the bath, strongly affect morphological, optical, structural properties of the ZnO film and deposition process occurs [15][16][17][18]. The deposition reactions of undoped ZnO films synthesized with the method are given as follows:…”

Section: Methodsmentioning

confidence: 99%

Synthesis and Characterization of Na Doped ZnO Rods Grown by Simple Chemical Method

Karadeniz

Çiplak²,

Ekinci³

2020

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In this study, the effects of Na doped on the structure, morphology, and optical properties of the ZnO films deposited on glass substrate were investigated. The films were synthesized on glass substrates via a simple chemical method. Undoped and Na-doped ZnO films were obtained from an aqueous solution of the Zinc nitrate hexahydrate (Zn(NO3)2·6H2O), Sodium Nitrate (NaNO3) and hexamethylenetetramine-HMT (C6H12N4). Characterization of the films was examined using a Scanning electron microscope (SEM) and X-ray diffractometer (XRD), Ultraviolet-Visible spectrophotometer (UV-Vis) and X-Ray Photoelectron (XPS). The structure, morphology, and optical properties of the films were presented. The wurtzite ZnO films showed rod arrays morphology. The optical band gap increased with the doping of Na metal. The result shows that Na addition affected the properties of the ZnO films.

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Section: Methodsmentioning

confidence: 99%

Synthesis and Characterization of Na Doped ZnO Rods Grown by Simple Chemical Method

Karadeniz

Çiplak²,

Ekinci³

2020

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“…These materials are also compatible to produce heterojunctions and could open a new path in the manufacture of optoelectronic devices for different applications [18][19][20]. Usually, heterojunctions are not synthesized using methods in aqueous solutions; such methods involve a great difficulty in optimization, which has led to little use despite their low cost and the good quality of the films that they generate [21][22][23][24]. Weng et al [18] developed a CdS/PbSe heterojunction for high-temperature mid-infrared photovoltaic detector applications.…”

Section: Introductionmentioning

confidence: 99%

CdS/PbSe Heterojunction Made via Chemical Bath Deposition and Ionic Exchange Processes to Develop Low-Cost and Scalable Devices

et al. 2021

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Complete optoelectronic devices present major difficulties to be built by aqueous chemical deposition. In this work, a ITO/CdS/PbSe heterostructure was developed, depositing CdS over an ITO-coated substrate via a chemical bath deposition (CBD) technique. The next step involved the growth of a plumbonacrite film over CdS via CBD, where the film acted as a precursor film to be converted to PbSe via ion exchange. The characterization of each material involved in the heterostructure were as follows: the CdS thin films presented a hexagonal crystalline structure and bandgap of 2.42 eV; PbSe had a cubic structure and a bandgap of 0.34 eV. I vs. V measurements allowed the observation of the electrical behavior, which showed a change from an ohmic to diode response by applying a thermal annealing at 150 °C for 5 min. The forward bias of the diode response was in the order of 0.8 V, and the current-voltage characteristics were analyzed by using the modified Shockley model, obtaining an ideality factor of 2.47, being similar to a Schottky diode. Therefore, the reported process to synthesize an ITO/CdS/PbSe heterostructure by aqueous chemical methods was successful and could be used to develop optoelectronic devices.

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“…There are several studies presenting the effects of pertinent factors for achieving the favorable conditions of the synthesis process, to achieve a uniform growth of ZnO nanostructures, especially, nanorods. The major factors studied to date are; substrates, seed layer thickness, temperature, concentration of precursors and most importantly, the role of the stabilizing agent [30][31][32][33][34][35][36][37][38][39]. Shi and Walker reported recently that stirring produces smoother but less reproducible ZnO films than sonication-assisted CBD [40].…”

mentioning

confidence: 99%

Nanocrystalline and monophasic thin films of metal chalcogenide (FeS, ZnS) and oxide (ZnO) by chemical bath deposition (CBD)

Akhtar

Mehmood

Ahmad

et al. 2017

Phys. Status Solidi A

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FeS, ZnS, and ZnO nanostructured thin films have been deposited by Chemical Bath Deposition (CBD), a simple and cost effective technique. These materials with different morphologies such as nano‐flakes, nanoparticles and nanorods for FeS, ZnS, and ZnO, respectively were deposited onto the glass substrates. The crystallite sizes have been estimated from Scherrer's equation and were found to be 14 nm for nano‐flakes of FeS, 9.09 nm for nanoparticles of ZnS, and 49 nm for nanorods of ZnO. The average values of the band gaps were found to be 1.97, 3.43, and 3.74 eV for FeS, ZnO, and ZnS thin films, respectively. These nanostructured semiconducting materials have wide applications in advanced optoelectronic devices.

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Shape controlled growth of ZnO nanorods and fabrication of ZnO/CuO heterojunctions by chemical bath deposition using zinc nitrate hexahydrate and copper (III) nitrate trihydrate

Cited by 10 publications

References 40 publications

Synthesis and Characterization of Na Doped ZnO Rods Grown by Simple Chemical Method

Synthesis and Characterization of Na Doped ZnO Rods Grown by Simple Chemical Method

CdS/PbSe Heterojunction Made via Chemical Bath Deposition and Ionic Exchange Processes to Develop Low-Cost and Scalable Devices

Nanocrystalline and monophasic thin films of metal chalcogenide (FeS, ZnS) and oxide (ZnO) by chemical bath deposition (CBD)

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