Dewi Suriyani Che Halin, Dr.: Recent submissions

Now showing items 1-20 of 21

    • The effect of thermal annealing on the microstructure and mechanical properties of Sn-0.7Cu-xZn solder joint 

      Mohd Izrul Izwan, Ramli; Mohd Arif Anuar, Mohd Salleh; Rita, Mohd Said; Mohd Mustafa Al Bakri, Abdullah; Dewi Suriyani, Che Halin; Norainiza, Saud; Nabiałek, Marcin (MDPI AG, 2021-02)
      The microstructural properties of a Pb-free solder joint significantly affect its mechanical behaviours. This paper details a systematic study of the effect of the annealing process on the microstructure and shear strength ...

    • Microstructure evolution of Ag/TiO₂ thin film 

      Dewi Suriyani, Che Halin; Kamrosni, Abdul Razak; Mohd Arif Anuar, Mohd Salleh; Mohd Izrul Izwan, Ramli; Mohd Mustafa Al Bakri, Abdullah; Ayu Wazira, Azhari; Kazuhiro, Nogita; Hideyuki, Yasuda; Nabiałek, Marcin; Wysłocki, Jerzy J. (MDPI AG, 2021-01)
      Ag/TiO₂ thin films were prepared using the sol-gel spin coating method. The microstructural growth behaviors of the prepared Ag/TiO₂ thin films were elucidated using real-time synchrotron radiation imaging, its structure ...

    • Effect of graphene oxide on microstructure and optical properties of TiO₂ thin film 

      Azliza, Azani; Dewi Suriyani, Che Halin; Kamrosni, Abdul Razak; Mohd Mustafa Al Bakri, Abdullah; Mohd Arif Anuar, Mohd Salleh; Mohd Fairul Sharin, Abdul Razak; Norsuria, Mahmed; Muhammad Mahyiddin, Ramli; Ayu Wazira, Azhari; Chobpattana, Varistha (IOP Publishing Ltd, 2019-12)
      GO/TiO₂ thin films have been synthesized from titanium (IV) isopropoxide (TTIP) by a sol-gel method. The films were deposited onto a glass substrate using spin coating deposition technique then were subjected to annealed ...

    • Microstructural studies of doped PEG Ag/TiO₂ thin film 

      Kamrosni, Abdul Razak; Dewi Suriyani, Che Halin; Azliza, Azani; Mohd Mustafa Al Bakri, Abdullah; Mohd Arif Anuar, Mohd Salleh; Norsuria, Mahmed; Chobpattana, Varistha; Ayu Wazira, Azhari (IOP Publishing Ltd, 2019-12)
      Ag/TiO₂ thin film was prepared by the sol-gel method through the hydrolysis of titanium tetraisopropoxide and silver nitrate solution. Various amount of PEG was doped into the solution preparation to study the effect on ...

    • Synthesis and charactherization of TiO₂ doped SnO₂ thin film prepared by sol-gel method 

      Dewi Suriyani, Che Halin; Kamrosni, Abdul Razak; Azliza, Azani; Mohd Mustafa Al Bakri, Abdullah; Mohd Arif Anuar, Mohd Salleh; Norsuria, Mahmed; Nur Syahirah, Shafee; Muhammad Mahyiddin, Ramli; Ayu Wazira, Azhari; Chobpattana, Varistha (IOP Publishing Ltd, 2019-12)
      In this work, preparation of titanium dioxide doped with tin oxide, SnO₂/TiO₂ thin films deposited onto silicon wafer via sol-gel method. Different amount of SnO₂ was added (5 ml, 10ml and 15 ml) into parent solution. The ...

    • Microstructure and wettability of Graphene Oxide/TiO2 thin film prepared via sol-gel method 

      Azliza, Azani; Dewi Suriyani, Che Halin; Kamrosni, Abdul Razak; Mohd Mustafa Al Bakri, Abdullah; Mohd Arif Anuar, Mohd Salleh; Norsuria, Mahmed; Muhammad Mahyiddin, Ramli; Suhaila, Sepeai (IOP Publishing Ltd, 2019-08)
      The microstructure of graphene oxide TiO2 (GO/TiO2) films on wettability and morphology properties were studied at different amount of Titanium isopropoxide with fixed amount of GO. GO/TiO2 thin films were prepared by using ...

    • Mesoporous structure of doped and undoped PEG on Ag/TiO₂ thin film 

      Kamrosni, Abdul Razak; Dewi Suriyani, Che Halin; Azliza, Azani; Mohd Mustafa Al Bakri, Abdullah; Mohd Arif Anuar, Mohd Salleh; Norsuria, Mahmed; Muhammad Mahyiddin, Ramli; Suhaila, Sepeai (IOP Publishing Ltd, 2019-08)
      In this reaserch, photocatalyst silver titanium dioxide was doped and modified by Polyethylene Glycol (PEG). The purpose of the present study was to analyse the synthesized Ag/TiO₂ thin film doped and undoped PEG. Ag/TiO₂ ...

    • Graphene geopolymer hybrid: a review on mechanical properties and piezoelectric effect 

      Nuaim Siddiqi, Danial; Dewi Suriyani, Che Halin; Muhammad Mahyiddin, Ramli; Mohd Mustafa Al Bakri, Abdullah; Mohd Arif Anuar, Mohd Salleh; Siti S., Mat Isa; L. F., A. Talip; N. S., Mazlan (IOP Publishing Ltd, 2019-08)
      A review on graphene geopolymers hybrid is presented, focusing on the mechanical properties and piezoelectric effect. The method and way of mixing graphene with geopolymers are discussed, including form of graphene that ...

    • Recent graphene oxide/TiO₂ thin film based on self-cleaning application 

      A. Azani; Dewi Suriyani, Che Halin; Kamrosni, Abdul Razak; Mohd Mustafa Al Bakri, Abdullah; Mohd Arif Anuar, Mohd Salleh; Norsuria, Mahmed; Muhammad Mahyiddin, Ramli; Ayu Wazira, Azhari; Chobpattana, V. (IOP Publishing Ltd, 2019-08)
      Graphene oxide/TiO₂ (GO/TiO₂) thin films works as self-cleaning device have been developed in various method onto selected substrates. It was noticeable that graphene oxide is the best form in the group of graphene family. ...

    • Synthesis and characterization of TiO₂/SiO₂ thin film via SolGel method 

      Dewi Suriyani, Che Halin; Mohd Mustafa Al Bakri, Abdullah; Norsuria, Mahmed; S N A, Abdul Malek; Vizureanu, P; ‪Ayu Wazira, Azhari (IOP Publishing Ltd, 2017-06)
      TiO₂/SiO₂ thin films were prepared by sol-gel spin coating method. Structural, surface morphology and optical properties were investigated for different annealing temperatures at 300°C, 400°C and 500°C. X-ray diffraction ...

    • Physical properties of cuprous oxide thin films grown on n-Si substrate by sol-gel spin coating 

      Dewi Suriyani, Che Halin, Dr.; Ibrahim, Abu Talib, Prof. Dr.; Abdul Razak, Daud; Muhammad Azmi, Abd Hamid (Penerbit Universiti Kebangsaan Malaysia (UKM), 2009)
      Cu2O films were grown on n-Si substrates via the sol-gel spin-coating method. The films were annealed under 5% H2 + 95% N2 atmosphere at 350°C, 450°C and 550°C. Diffractogram obtained by the grazing angle x-ray diffractometry ...

    • Characterization of cuprous oxide thin films on n-Si substrate prepared by sol-gel spin coating 

      Dewi Suriyani, Che Halin, Dr.; Ibrahim, Abu Talib, Prof. Dr.; Muhammad Azmi, Abd Hamid; Abdul Razak, Daud (MASS Malaysia, 2008)
      Cuprous oxide films were successfully grown onto a n-Si substrate with (100) orientation via sol-gel spin-coating method at room temperature in air followed by annealing in 5% H2 + 95% N2 atmosphere. The annealed temperatures ...

    • The effect of spin coating rate on morphology and optical properties of cuprous oxide thin film prepared by sol-gel technique 

      Dewi Suriyani, Che Halin, Dr.; Ibrahim, Abu Talib, Prof. Dr.; Abdul Razak, Daud; Muhammad Azmi, Abd Hamid (Australian Ceramic Society, 2010)
      Cuprous oxide thin films were successfully grown on indium tin oxide (ITO) coated glass by sol-gel spin coating using diethanolamine (DEA) as a solubility agent. The films were annealed at 350 °C in 5% H2 + 95% N 2 atmosphere. ...

    • Green synthesis of silver nanoparticles using local honey 

      Haiza, Haroon; Azizan, Aziz, Assoc. Prof. Dr.; Aizat Hazwan, Mohidin; Dewi Suriyani, Che Halin, Dr. (Trans Tech Publications, 2013-05)
      In this work, silver nanoparticles have been successfully prepared with a simple, cost-effective and reproducible aqueous room temperature green synthesis method. Honey was chosen as the eco-friendly reducing and stabilizing ...

    • Preparation of photoelectrochemical cell of ITO/Cu2O/PVC-LICLO4/graphite using Cu2O films as an active layer 

      Dewi Suriyani, Che Halin, Dr.; Haiza, Haroon; Ibrahim, Abu Talib, Prof. Dr.; Abdul Razak, Daud, Prof. Dr; Muhammad Azmi, Abd Hamid, Assoc. Prof. Dr. (Trans Tech Publications, 2014)
      Cuprous oxide (Cu2O) thin films were successfully grown on indium tin oxide (ITO) coated glass by sol-gel spin coating using diethanolamine (DEA) as a solubility agent. The films were annealed at 350 °C in 5% H2 + 95% N2 ...

    • Effect of annealing atmosphere on the morphology of copper oxide thin films deposited on TiO₂ substrates prepared by sol-gel process 

      Dewi Suriyani, Che Halin; Ibrahim, Abu Talib; Abdul Razak, Daud; Muhammad Azmi, Abd Hamid (Trans Tech Publications, 2014)
      Copper oxide films were prepared via sol-gel like spin coating starting from methanolic solutions of cupric chloride onto the TiO₂ substrates. Films were obtained by spin coating under room conditions (temperature, 25-30 ...

    • Mechanism of current transport for a photoelectrochemical cells of ITO/Cu2O/PVC-LiClO4/graphite 

      Dewi Suriyani, Che Halin, Dr.; Haiza, Haroon; Ibrahim, Abu Talib, Prof. Dr.; Abdul Razak, Daud, Prof. Dr.; Muhammad Azmi, Abd Hamid, Assoc. Prof. Dr. (Trans Tech Publications, 2013)
      This paper deals with the current transport mechanism of solid state photoelectrochemical cells of ITO/Cu2O/PVC-LiClO4/graphite as well as the physical properties of a component of a device affecting its performance. The ...

    • Overview of pathogenic micro-organisms destruction in contaminated water by oxide photocatalysis 

      Noor Azira, Mohd Noor; Muhammad Asri, Idris, Dr.; Dewi Suriyani, Che Halin, Dr.; Mohd Nazree, Derman, Dr.; Mohd Arif Anuar, Mohd Salleh (Trans Tech Publications, 2013)
      The titanium dioxide (TiO2) is a semiconductor oxide photocatalys, which is chemically and biologically inert but exhibits excellent photolytic activity in the ultraviolet (UV) region. Progress in photocatalytic water ...

    • Microstructures study on cuprous oxide thin films deposited on different substrates by using sol-gel technique 

      Dewi Suriyani, Che Halin; Ibrahim, Abu Talib; Haiza, Haroon; Abdul Razak, Daud; Muhammad Azmi, Abd Hamid (Scientific.Net/Trans Tech Publications, 2012-12)
      Cuprous oxide (Cu₂O) thin films were formed onto three different substrates such as indium tin oxide (ITO) coated glass, titanium oxide (TiO₂) and n-Si substrates by sol-gel spin coating technique. It was found that the ...

    • Cuprous oxide thin films for a photoelectrochemical cell of ITO/Cu 2O/PVC-LiClO 4/graphite 

      Dewi Suriyani, Che Halin; Ibrahim, Abu Talib, Prof. Dr.; Daud, Abd Razak; Muhammad Azmi, Abdul Hamid, Dr. (Trans Tech Publications Inc., 2012)
      Cuprous oxide (Cu 2O) thin films were formed onto indium tin oxide (ITO) coated glass substrate by sol-gel spin coating technique using different additives namely polyethylene glycol and ethylene glycol. It was found that ...