Properties of nanostructured rutile titanium dioxide (Tio2 ) thin film deposited with silver sulfide (ag2 s) quantum dots as photoanode for solar photovoltaic

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Titanium dioxide (TiO2 ) nanoparticles thin film has been successfully prepared by a simple hydrothermal process using Hydrochloric Acid (HCl) as chelating agent and Titanium (IV) Chloride (TiCl4 ) as precursor. In this study, the nanostructured TiO2 thin films were prepared at different hydrothermal reaction times of 2 hours, 5 hours, and 10 hours, and then Ag2 S Quantum Dots (QDs) were deposited on the surface of TiO2 nanoparticles using 6 cycles of Successive Ionic Layer Adsorption and Reaction Deposition (SILAR) method. The surface morphology, crystalline structure and optical characterizations of the films were carried out using Field Emission Scanning Electron Microscopy (FESEM), Atomic Force Microscope (AFM), X-ray Diffraction (XRD) and Ultra-Violet-Visible Near Infrared Spectrophotometer (UV-Vis). For electrical properties, four-point probe investigated the sheet resistance, resistivity, and conductivity of these thin films. TiO2 nanorods were formed with diameter ranged from 33.78 nm to 42.58 nm and the length of TiO2 layer increased as the reaction time increased, from 2.84 μm to 3.93 μm (without Ag2 S QDs) and 2.88 μm to 4.85 μm (with Ag2 S QDs). When the reaction time reaches 10 hours, nanoflowers can be seen on the surface of film. The XRD results showed that with longer reaction time, the value of full-width at half maximum (FWHM) of the TiO2 / Ag2 S QDs thin films decreased from 0.335° to 0.263° while the crystallite size increased from 22.73 nm to 35.39 nm. UV-Vis analysis indicated that the optical band gap of these thin films decreased from 2.68 eV to 2.00 eV (direct) and 2.94 eV to 2.40 eV (indirect) with increased in reaction time. The electrical properties of the films showed that the resistivity varied between 7 x 107 Ω.cm and 5.07 x 107 Ω.cm when the reaction time changed from 2 hours to 10 hours. The conductivity of the TiO2 / Ag2 S QDs thin films increased with the increase in hydrothermal reaction time and further increased with the incorporation of Ag2 S QDs. Besides, the TiO2 films synthesized hydrothermally for 10 hours showed higher surface roughness as compared to other thin films. The obtained results showed that the TiO2 / Ag2 S QDs thin films are applicable as a photoanode for Quantum Dots Sensitized Solar Cell (QDSSCs) applications.

Original languageEnglish
Title of host publicationSolid State Science and Technology VI
EditorsIskandar Shahrim Mustafa, Saiful Najmee Mohamad, Faris Hidayat Ahmad Suhaimi
PublisherTrans Tech Publications Ltd
Pages329-335
Number of pages7
ISBN (Print)9783035712728
DOIs
Publication statusPublished - 1 Jan 2019
Event6th International Conference on Solid State Science and Technology, ICSSST 2017 - Bayan Lepas, Malaysia
Duration: 13 Nov 201716 Nov 2017

Publication series

NameSolid State Phenomena
Volume290 SSP
ISSN (Electronic)1662-9779

Conference

Conference6th International Conference on Solid State Science and Technology, ICSSST 2017
CountryMalaysia
CityBayan Lepas
Period13/11/1716/11/17

Fingerprint

titanium oxides
rutile
Titanium dioxide
Semiconductor quantum dots
sulfides
reaction time
Silver
silver
quantum dots
Thin films
thin films
infrared spectrophotometers
Infrared spectrophotometers
Electric properties
electrical properties
Nanoflowers
Nanoparticles
X ray diffraction
conductivity
nanoparticles

Keywords

  • Hydrothermal
  • Nanoflowers
  • Nanorods
  • SILAR method
  • Silver Sulfide
  • Solar Cell

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Mustakim, N. S. M., Sepeai, S., Ahmad Ludin, N., Mat Teridi, M. A., & Ibrahim, M. A. (2019). Properties of nanostructured rutile titanium dioxide (Tio2 ) thin film deposited with silver sulfide (ag2 s) quantum dots as photoanode for solar photovoltaic. In I. Shahrim Mustafa, S. N. Mohamad, & F. H. A. Suhaimi (Eds.), Solid State Science and Technology VI (pp. 329-335). (Solid State Phenomena; Vol. 290 SSP). Trans Tech Publications Ltd. https://doi.org/10.4028/www.scientific.net/SSP.290.329

Properties of nanostructured rutile titanium dioxide (Tio2 ) thin film deposited with silver sulfide (ag2 s) quantum dots as photoanode for solar photovoltaic. / Mustakim, Nurul Syafiqah Mohamed; Sepeai, Suhaila; Ahmad Ludin, Norasikin; Mat Teridi, Mohd Asri; Ibrahim, Mohd. Adib.

Solid State Science and Technology VI. ed. / Iskandar Shahrim Mustafa; Saiful Najmee Mohamad; Faris Hidayat Ahmad Suhaimi. Trans Tech Publications Ltd, 2019. p. 329-335 (Solid State Phenomena; Vol. 290 SSP).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Mustakim, NSM, Sepeai, S, Ahmad Ludin, N, Mat Teridi, MA & Ibrahim, MA 2019, Properties of nanostructured rutile titanium dioxide (Tio2 ) thin film deposited with silver sulfide (ag2 s) quantum dots as photoanode for solar photovoltaic. in I Shahrim Mustafa, SN Mohamad & FHA Suhaimi (eds), Solid State Science and Technology VI. Solid State Phenomena, vol. 290 SSP, Trans Tech Publications Ltd, pp. 329-335, 6th International Conference on Solid State Science and Technology, ICSSST 2017, Bayan Lepas, Malaysia, 13/11/17. https://doi.org/10.4028/www.scientific.net/SSP.290.329
Mustakim NSM, Sepeai S, Ahmad Ludin N, Mat Teridi MA, Ibrahim MA. Properties of nanostructured rutile titanium dioxide (Tio2 ) thin film deposited with silver sulfide (ag2 s) quantum dots as photoanode for solar photovoltaic. In Shahrim Mustafa I, Mohamad SN, Suhaimi FHA, editors, Solid State Science and Technology VI. Trans Tech Publications Ltd. 2019. p. 329-335. (Solid State Phenomena). https://doi.org/10.4028/www.scientific.net/SSP.290.329
Mustakim, Nurul Syafiqah Mohamed ; Sepeai, Suhaila ; Ahmad Ludin, Norasikin ; Mat Teridi, Mohd Asri ; Ibrahim, Mohd. Adib. / Properties of nanostructured rutile titanium dioxide (Tio2 ) thin film deposited with silver sulfide (ag2 s) quantum dots as photoanode for solar photovoltaic. Solid State Science and Technology VI. editor / Iskandar Shahrim Mustafa ; Saiful Najmee Mohamad ; Faris Hidayat Ahmad Suhaimi. Trans Tech Publications Ltd, 2019. pp. 329-335 (Solid State Phenomena).
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abstract = "Titanium dioxide (TiO2 ) nanoparticles thin film has been successfully prepared by a simple hydrothermal process using Hydrochloric Acid (HCl) as chelating agent and Titanium (IV) Chloride (TiCl4 ) as precursor. In this study, the nanostructured TiO2 thin films were prepared at different hydrothermal reaction times of 2 hours, 5 hours, and 10 hours, and then Ag2 S Quantum Dots (QDs) were deposited on the surface of TiO2 nanoparticles using 6 cycles of Successive Ionic Layer Adsorption and Reaction Deposition (SILAR) method. The surface morphology, crystalline structure and optical characterizations of the films were carried out using Field Emission Scanning Electron Microscopy (FESEM), Atomic Force Microscope (AFM), X-ray Diffraction (XRD) and Ultra-Violet-Visible Near Infrared Spectrophotometer (UV-Vis). For electrical properties, four-point probe investigated the sheet resistance, resistivity, and conductivity of these thin films. TiO2 nanorods were formed with diameter ranged from 33.78 nm to 42.58 nm and the length of TiO2 layer increased as the reaction time increased, from 2.84 μm to 3.93 μm (without Ag2 S QDs) and 2.88 μm to 4.85 μm (with Ag2 S QDs). When the reaction time reaches 10 hours, nanoflowers can be seen on the surface of film. The XRD results showed that with longer reaction time, the value of full-width at half maximum (FWHM) of the TiO2 / Ag2 S QDs thin films decreased from 0.335° to 0.263° while the crystallite size increased from 22.73 nm to 35.39 nm. UV-Vis analysis indicated that the optical band gap of these thin films decreased from 2.68 eV to 2.00 eV (direct) and 2.94 eV to 2.40 eV (indirect) with increased in reaction time. The electrical properties of the films showed that the resistivity varied between 7 x 107 Ω.cm and 5.07 x 107 Ω.cm when the reaction time changed from 2 hours to 10 hours. The conductivity of the TiO2 / Ag2 S QDs thin films increased with the increase in hydrothermal reaction time and further increased with the incorporation of Ag2 S QDs. Besides, the TiO2 films synthesized hydrothermally for 10 hours showed higher surface roughness as compared to other thin films. The obtained results showed that the TiO2 / Ag2 S QDs thin films are applicable as a photoanode for Quantum Dots Sensitized Solar Cell (QDSSCs) applications.",
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AU - Mustakim, Nurul Syafiqah Mohamed

AU - Sepeai, Suhaila

AU - Ahmad Ludin, Norasikin

AU - Mat Teridi, Mohd Asri

AU - Ibrahim, Mohd. Adib

PY - 2019/1/1

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N2 - Titanium dioxide (TiO2 ) nanoparticles thin film has been successfully prepared by a simple hydrothermal process using Hydrochloric Acid (HCl) as chelating agent and Titanium (IV) Chloride (TiCl4 ) as precursor. In this study, the nanostructured TiO2 thin films were prepared at different hydrothermal reaction times of 2 hours, 5 hours, and 10 hours, and then Ag2 S Quantum Dots (QDs) were deposited on the surface of TiO2 nanoparticles using 6 cycles of Successive Ionic Layer Adsorption and Reaction Deposition (SILAR) method. The surface morphology, crystalline structure and optical characterizations of the films were carried out using Field Emission Scanning Electron Microscopy (FESEM), Atomic Force Microscope (AFM), X-ray Diffraction (XRD) and Ultra-Violet-Visible Near Infrared Spectrophotometer (UV-Vis). For electrical properties, four-point probe investigated the sheet resistance, resistivity, and conductivity of these thin films. TiO2 nanorods were formed with diameter ranged from 33.78 nm to 42.58 nm and the length of TiO2 layer increased as the reaction time increased, from 2.84 μm to 3.93 μm (without Ag2 S QDs) and 2.88 μm to 4.85 μm (with Ag2 S QDs). When the reaction time reaches 10 hours, nanoflowers can be seen on the surface of film. The XRD results showed that with longer reaction time, the value of full-width at half maximum (FWHM) of the TiO2 / Ag2 S QDs thin films decreased from 0.335° to 0.263° while the crystallite size increased from 22.73 nm to 35.39 nm. UV-Vis analysis indicated that the optical band gap of these thin films decreased from 2.68 eV to 2.00 eV (direct) and 2.94 eV to 2.40 eV (indirect) with increased in reaction time. The electrical properties of the films showed that the resistivity varied between 7 x 107 Ω.cm and 5.07 x 107 Ω.cm when the reaction time changed from 2 hours to 10 hours. The conductivity of the TiO2 / Ag2 S QDs thin films increased with the increase in hydrothermal reaction time and further increased with the incorporation of Ag2 S QDs. Besides, the TiO2 films synthesized hydrothermally for 10 hours showed higher surface roughness as compared to other thin films. The obtained results showed that the TiO2 / Ag2 S QDs thin films are applicable as a photoanode for Quantum Dots Sensitized Solar Cell (QDSSCs) applications.

AB - Titanium dioxide (TiO2 ) nanoparticles thin film has been successfully prepared by a simple hydrothermal process using Hydrochloric Acid (HCl) as chelating agent and Titanium (IV) Chloride (TiCl4 ) as precursor. In this study, the nanostructured TiO2 thin films were prepared at different hydrothermal reaction times of 2 hours, 5 hours, and 10 hours, and then Ag2 S Quantum Dots (QDs) were deposited on the surface of TiO2 nanoparticles using 6 cycles of Successive Ionic Layer Adsorption and Reaction Deposition (SILAR) method. The surface morphology, crystalline structure and optical characterizations of the films were carried out using Field Emission Scanning Electron Microscopy (FESEM), Atomic Force Microscope (AFM), X-ray Diffraction (XRD) and Ultra-Violet-Visible Near Infrared Spectrophotometer (UV-Vis). For electrical properties, four-point probe investigated the sheet resistance, resistivity, and conductivity of these thin films. TiO2 nanorods were formed with diameter ranged from 33.78 nm to 42.58 nm and the length of TiO2 layer increased as the reaction time increased, from 2.84 μm to 3.93 μm (without Ag2 S QDs) and 2.88 μm to 4.85 μm (with Ag2 S QDs). When the reaction time reaches 10 hours, nanoflowers can be seen on the surface of film. The XRD results showed that with longer reaction time, the value of full-width at half maximum (FWHM) of the TiO2 / Ag2 S QDs thin films decreased from 0.335° to 0.263° while the crystallite size increased from 22.73 nm to 35.39 nm. UV-Vis analysis indicated that the optical band gap of these thin films decreased from 2.68 eV to 2.00 eV (direct) and 2.94 eV to 2.40 eV (indirect) with increased in reaction time. The electrical properties of the films showed that the resistivity varied between 7 x 107 Ω.cm and 5.07 x 107 Ω.cm when the reaction time changed from 2 hours to 10 hours. The conductivity of the TiO2 / Ag2 S QDs thin films increased with the increase in hydrothermal reaction time and further increased with the incorporation of Ag2 S QDs. Besides, the TiO2 films synthesized hydrothermally for 10 hours showed higher surface roughness as compared to other thin films. The obtained results showed that the TiO2 / Ag2 S QDs thin films are applicable as a photoanode for Quantum Dots Sensitized Solar Cell (QDSSCs) applications.

KW - Hydrothermal

KW - Nanoflowers

KW - Nanorods

KW - SILAR method

KW - Silver Sulfide

KW - Solar Cell

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