All Stories

  1. The effects of temperature and calcination time on physical properties of Badau Belitung kaolin activation used as zeolite raw material

    Article • January 2023, American Institute of Physics

    Farid Mifthahul Rozaq, Nofrijon Sofyan

  2. A review: Potential use of biomass as low-cost precursor for composite LiFePO4/C cathode batteries preparation

    Article • January 2023, American Institute of Physics

    Nofrijon Sofyan, Muhammad -

  3. Performance of nanocomposites TiO2/rGO as compact layer in zinc chloride modified perovskite solar cell

    Article • January 2021, American Institute of Physics

    Nofrijon Sofyan, Dr Akhmad Herma n A.H Yuwono, Marshall Christian Sianturi

  4. Fabrication of ZnO/rGO nanocomposite as a compact layer in zinc chloride modified perovskite solar cell

    Article • January 2021, American Institute of Physics

    Nofrijon Sofyan, Dr Akhmad Herma n A.H Yuwono

  5. Enhanced Device Performance of Bulk Heterojunction (BHJ) Hybrid Solar Cells Based on Colloidal CdSe Quantum Dots (QDs) via Optimized Hexanoic Acid-Assisted Washing Treatment

    Article • Advances in Materials Science and Engineering, April 2019, Hindawi Publishing Corporation

    Nofrijon Sofyan

  6. Effect of SiC and Sintering Temperature Variations on the Characteristic of Fe-Sheathed MgB2 Superconductor Wires

    Article • Materials Science Forum, August 2018, Trans Tech Publications

    satrio herbirowo, Nofrijon Sofyan, Agung Imaduddin

  7. Characteristic of LiFe(1-X)VxPO4/C Using Carbon Pyrolyzed from Table Sugar for Lithium Ion Battery Cathode

    Article • Materials Science Forum, August 2018, Trans Tech Publications

    Nofrijon Sofyan

  8. Mechanical Properties of Nano SiC-Reinforced Aluminum A356 Fabricated by Stir Casting Method

    Article • Materials Science Forum, August 2018, Trans Tech Publications

    anne.zulfia syahrial, Nofrijon Sofyan, Farid Mifthahul Rozaq

  9. Double Layer Microwave Absorption Characteristics of Barium Hexaferrite/Silica Composite for X-Band Frequencies

    Article • Materials Science Forum, August 2018, Trans Tech Publications

    mangasi marpaung, Nofrijon Sofyan

  10. Integration of Multiwalled Carbon Nanotubes in Bulk Heterojunction CdSe/PCPDTBT Hybrid Solar Cells

    Article • Materials Science Forum, August 2018, Trans Tech Publications

    Dr Akhmad Herma n A.H Yuwono, Nofrijon Sofyan

  11. Pyrolysis of activated carbon from coconut shell and its characteristic in the LiFePO4/V/C composite for lithium ion battery cathode

    Article • IOP Conference Series Earth and Environmental Science, January 2018, Institute of Physics Publishing

    Nofrijon Sofyan

  12. The effect of hydroxyapatite addition on the mechanical properties of polyvinyl alcohol/chitosan biomaterials for bone scaffolds application

    Article • January 2018, American Institute of Physics

    Nofrijon Sofyan

  13. The influence of phosphorylation and freezing temperature on the mechanical properties of hydroxyapatite/chitosan composite as bone scaffold biomaterial

    Article • January 2018, American Institute of Physics

    Nofrijon Sofyan

  14. Use of carbon pyrolyzed from rice husk in LiFePO4/V/C composite and its performance for lithium ion battery cathode

    Article • IOP Conference Series Earth and Environmental Science, January 2018, Institute of Physics Publishing

    Nofrijon Sofyan

  15. Visible light absorption and photosensitizing characteristics of natural yellow 3 extracted fromCurcuma LongaL. for Dye-Sensitized solar cell

    Article • IOP Conference Series Earth and Environmental Science, January 2018, Institute of Physics Publishing

    Nofrijon Sofyan

  16. Innovation of Renewable Energy, CO2 Capture and Storage Materials for Better Applications

    Article • International Journal of Technology, December 2017, International Journal of Technology

    sutrasno Kartohardjono, Nofrijon Sofyan

  17. Fabrication of Solar Cells with TiO2 Nanoparticles Sensitized using Natural Dye Extracted from Mangosteen Pericarps

    Article • International Journal of Technology, December 2017, International Journal of Technology

    Nofrijon Sofyan

  18. Research in Thermofluid and Materials for Better Industrial Products

    Article • International Journal of Technology, December 2017, International Journal of Technology

    Nofrijon Sofyan

  19. The Effect of Various Precursors and Solvents on the Characteristics of Fluorine-doped Tin Oxide Conducting Glass Fabricated by Ultrasonic Spray Pyrolysis

    Article • International Journal of Technology, December 2017, International Journal of Technology

    Nofrijon Sofyan

  20. Effect of Mould Coating on Skin Formation and Nodule Characteristics of Thin Wall Ductile Iron Casting

    Article • IOP Conference Series Materials Science and Engineering, May 2017, Institute of Physics Publishing

    Nofrijon Sofyan

  21. Effects of Ceramic Fibre Insulation Thickness on Skin Formation and Nodule Characteristics of Thin Wall Ductile Iron Casting

    Article • IOP Conference Series Materials Science and Engineering, February 2017, Institute of Physics Publishing

    Nofrijon Sofyan

  22. Characteristic of skin formation using zircon- and graphite-coated mold in thin wall ductile iron fabrication

    Article • January 2017, American Institute of Physics

    Nofrijon Sofyan

  23. Effect of bond coat and preheat on the microstructure, hardness, and porosity of flame sprayed tungsten carbide coatings

    Article • January 2017, American Institute of Physics

    Nofrijon Sofyan

  24. Effect of freezing temperature in thermally induced phase separation method in hydroxyapatite/chitosan-based bone scaffold biomaterial

    Article • January 2017, American Institute of Physics

    Nofrijon Sofyan

  25. Ex-situ manufacturing of SiC-doped MgB2 used for superconducting wire in medical device applications

    Article • January 2017, American Institute of Physics

    Nofrijon Sofyan

  26. Investigating the effect of various extracting solvents on the potential use of red-apple skin (Malus domestica) as natural sensitizer for dye-sensitized solar cell

    Article • January 2017, American Institute of Physics

    Nofrijon Sofyan

  27. Investigating the weight ratio variation of alginate-hydroxyapatite composites for vertebroplasty method bone filler material

    Article • January 2017, American Institute of Physics

    Nofrijon Sofyan

  28. Porosity and wear resistance of flame sprayed tungsten carbide coatings

    Article • January 2017, American Institute of Physics

    Nofrijon Sofyan

  29. Preface: International Tropical Renewable Energy Conference (i-TREC) 2016

    Article • January 2017, American Institute of Physics

    Nofrijon Sofyan

  30. Properties of carbon nanotubes-doped Fe-sheath MgB2 for superconducting wires

    Article • January 2017, American Institute of Physics

    Nofrijon Sofyan

  31. The effect of substrate heating temperature upon spray pyrolysis process on the morphological and functional properties of fluorine tin oxide conducting glass

    Article • January 2017, American Institute of Physics

    Nofrijon Sofyan

  32. Wear Resistance and Surface Hardness of Carbon Nanotube Reinforced Alumina Matrix Nanocomposite by Cold Sprayed Process

    Article • Procedia Engineering, January 2017, Elsevier

    Nofrijon Sofyan

  33. Optical Transmittance, Electrical Resistivity and Microstructural Characteristics of Undoped and Fluorine-doped Tin Oxide Conductive Glass Fabricated by Spray Pyrolysis Technique with Modified Ultrasonic Nebulizer

    Article • International Journal of Technology, December 2016, International Journal of Technology

    Nofrijon Sofyan

  34. Performance of Vanadium-doped LiFePO4/C used as a Cathode for a Lithium Ion Battery

    Article • International Journal of Technology, December 2016, International Journal of Technology

    Nofrijon Sofyan

  35. The Influence of Deposition Time and Substrate Temperature during the Spray Pyrolysis Process on the Electrical Resistivity and Optical Transmittance of 2 wt% Fluorine-doped Tin Oxide Conducting Glass

    Article • International Journal of Technology, December 2016, International Journal of Technology

    Nofrijon Sofyan

  36. Effect of Different Pluronic P123 Triblock Copolymer Surfactant Concentrations on SBA-15 Pore Formation

    Article • International Journal of Technology, October 2016, International Journal of Technology

    Nofrijon Sofyan

  37. Effect of Pressure in Post-Hydrothermal Treatment on the Nanostructural Characteristics of ZnO Nanoparticles

    Article • International Journal of Technology, April 2016, International Journal of Technology

    Nofrijon Sofyan

  38. Green and Smart Materials Properties Design and Production for Sustainable Future

    Article • International Journal of Technology, April 2016, International Journal of Technology

    Nofrijon Sofyan

  39. Effect of Citric Acid Addition upon the Precipitation Process on the Nanostructural Characteristics of ZnO Nanoparticles

    Article • International Journal of Technology, December 2015, International Journal of Technology

    Nofrijon Sofyan

  40. Optimization of Silicon Extraction from Tanjung Tiram Asahan Natural Sand through Magnesiothermic Reduction

    Article • International Journal of Technology, December 2015, International Journal of Technology

    Nofrijon Sofyan

  41. Chitosan-praseodymium complex for adsorption of fluoride ions from water

    Article • Journal of Rare Earths, October 2015, Elsevier

    Dr Nyoman Suwartha, Nofrijon Sofyan

  42. Wear Resistance and Interlocking Properties of AISI 5200 Steel Ball Bearings Coated by Nanocomposites

    Article • International Journal of Technology, July 2015, International Journal of Technology

    Professor Winarto Winarto, Nofrijon Sofyan

  43. On the Tensile Properties of Polylactide (PLA)/Arenga Pinnata “Ijuk” Fibre Composite

    Article • Macromolecular Symposia, July 2015, Wiley

    Nofrijon Sofyan

  44. Modification of chitosan by using samarium for potential use in drug delivery system

    Article • Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy, February 2014, Elsevier

    Nofrijon Sofyan

  45. The Effect of Precursor Mixing Temperature during Precipitation Process on the Size of ZnO Nanoparticles and the Dispersion of ZnO@SiO<sub>2</sub> Core-Shell Nanostructure

    Article • Applied Mechanics and Materials, February 2014, Trans Tech Publications

    Nofrijon Sofyan

  46. Removal of Heavy Metals from Aqueous Solution by Hydroxyapatite/Chitosan Composite

    Article • Advanced Materials Research, September 2013, Trans Tech Publications

    Nofrijon Sofyan

  47. Synthesis of Mesoporous Silica from Tetraethylorthosilicate by Using Sodium Ricinoleic as a Template and 3-Aminopropyltrimethoxysilane as Co-Structure Directing Agent with Volume Variation of Hydrochloric Acid 0.1 M

    Article • Advanced Materials Research, September 2013, Trans Tech Publications

    Nofrijon Sofyan

  48. One-Dimensional ZnO Nanostructures by Wet-Chemistry Technique for Dye Sensitized Solar Cell Application

    Article • Advanced Materials Research, October 2012, Trans Tech Publications

    Nofrijon Sofyan

  49. The Nanocrystallinity Enhancement and Optical Characteristics of Pre-Hydrothermally Treated ZnO Nanoparticles

    Article • Advanced Materials Research, July 2012, Trans Tech Publications

    Nofrijon Sofyan

  50. Determination of Copper Dissolution Activation Energy in Concentrated Hydrogen Peroxide

    Article • Advanced Materials Research, July 2011, Trans Tech Publications

    Nofrijon Sofyan

  51. Nanocrystallinity Enhancement of TiO<sub>2</sub> Nanotubes by Post-Hydrothermal Treatment

    Article • Advanced Materials Research, July 2011, Trans Tech Publications

    Nofrijon Sofyan

  52. TiO[sub 2] Nanotubes of Enhanced Nanocrystallinity and Well-Preserved Nanostructure by Pre-Annealing and Post-Hydrothermal Treatments

    Article • January 2011, American Institute of Physics

    Nofrijon Sofyan

  53. Evaluation of airliner cabin textile materials after vapour phase hydrogen peroxide decontamination

    Article • Materials Science and Technology, January 2010, Taylor & Francis

    Nofrijon Sofyan

  54. Effect of vapour phase hydrogen peroxide, as a decontaminant for civil aviation applications, on microstructure, tensile properties and corrosion resistance of 2024 and 7075 age hardenable aluminium alloys and 304 austenitic stainless steel

    Article • Materials Science and Technology, January 2009, Taylor & Francis

    Nofrijon Sofyan

  55. Transient liquid phase bonding of dissimilar nickel base superalloys — wettability, microstructure and mechanical properties

    Article • Materials Science and Technology, May 2008, Taylor & Francis

    Nofrijon Sofyan

  56. Materials Compatibility for Whole Airliner Decontamination - a Microstructural Investigation

    Article • Microscopy and Microanalysis, July 2006, Oxford University Press (OUP)

    Nofrijon Sofyan

  57. Attachment of Listeria monocytogenes to an Austenitic Stainless Steel after Welding and Accelerated Corrosion Treatments

    Article • Journal of Food Protection, July 2006, Elsevier

    Nofrijon Sofyan

  58. Transient liquid phase bonding of ferritic oxide-dispersion-strengthened alloys

    Article • Metallurgical and Materials Transactions A, February 2006, Springer Science + Business Media

    Nofrijon Sofyan