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Hasto Sunarno Hasto Sunarno
Department of Physics, Institut Teknologi Sepuluh Nopember, Kampus ITS-Sukolilo Surabaya
Physics

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Karakterisasi Pengaruh Temperatur Kalsinasi pada Intensitas emisi Material Luminisensi ZnO:Zn: Diky Anggoro, Raidah Syarifah, Hasto Sunarno, F Faridawati, Bachtera Indarto Diky Anggoro Diky Anggoro; Raidah Syarifah Raidah Syarifah; Hasto Sunarno Hasto Sunarno; Faridawati Faridawati; Bachtera Indarto Bachtera Indarto
Jurnal Fisika dan Aplikasinya Vol 14 No 3 (2018): October 2018 Edition
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat, LPPM-ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j24604682.v14i3.4165

Abstract

Characterization of the effect of temperature on emission intensity ZnO:Zn luminance material has been carried out. This research was conducted to determine the optical properties of ZnO:Zn as a luminous material and the effect of temperature on emission intensity of ZnO luminance material will be analyzed: Zn at 5% dopant concentration. ZnO synthesis was carried out using the solution phase method and in obtaining the ZnO:ZnO:luminous material, the milling method was used. The best absorbance spectrum is produced by ZnO:Zn with the highest calcination temperature of 4000 C. Based on the photoluminniscence spectrum characterization it is known that ZnO: Zn luminance material with temperature variations is capable of emitting green light with a wavelength range of 523 nm. Temperature variation given will affect the high intensity of ZnO emission: Zn produced as the temperature increases.
Fabrikasi Kanal Mikro pada Substrat Akrilik menggunakan Laser Cutting CO2: Sudarsono, Gatut Yudoyono, Faridawati, Hasto Sunarno, Nurrisma Puspitasari, Yono Hadi Pramono Sudarsono Sudarsono; Gatut Yudoyono Gatut Yudoyono; Faridawati Faridawati; Hasto Sunarno Hasto Sunarno; Nurrisma Puspitasari Nurrisma Puspitasari; Yono Hadi Pramono Yono Hadi Pramono
Jurnal Fisika dan Aplikasinya Vol 14 No 3 (2018): October 2018 Edition
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat, LPPM-ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j24604682.v14i3.3867

Abstract

CO2 laser cutting machine is a tool used in working on cutting and engraving some materials such as polymers, glass, paper, fabric and some non-metallic materials. CO2 laser cutting machines are widely used to make indoor and outdoor decoration such as nameplates in several shops, offices, hotels, companies, exhibition halls, and some accessories such as trophies, key chains and some other accessories. In this research will be studied about the influence of CO2 laser cutting speed on the shape, width, and depth in making a kanal mikro optical waveguide on acrylic substrate. The fabrication results were observed using an optical microscope as well as width and depth calculations usingmicrometer shifts. Fromthe results of observation and analysis of fabrication, the results showed that the higher the CO2 laser speed the shallower the depth of the resulting. In this study the power used 2.4W and produced kanal mikro with the smallest depth of 190.91 µm with laser speed 100 mm/s and biggest 604.17 µm with laser speed 50 mm/s. From the results of this study recommended a good speed to make kanal mikro as an optical waveguide application is 95 mm/s and 100 mm/s with a power of 2.4 W.
Pengaruh Konsentrasi Doping terhadap Intensitas Emisi Material Luminisensi ZnO:Zn: Diky Anggoro, Rizki Yuniasari, Hasto Sunarno, F Faridawati Diky Anggoro Diky Anggoro; Rizki Yuniasari Rizki Yuniasari; Hasto Sunarno Hasto Sunarno; Faridawati Faridawati
Jurnal Fisika dan Aplikasinya Vol 14 No 1 (2018): January 2018 Edition
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat, LPPM-ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j24604682.v14i1.3554

Abstract

The luminance of Zinc Oxide materials has been synthesized using the phase solution method. The calcination process is carried out at a temperature of 8000 C. Performed phase identification, optical characterization, and luminance intensity generated by ZnO synthesis results. Addition of doping was done by using doping concentration of 1%, 3%, and 5% with a calcination temperature of 3000 C to obtain ZnO: Zn. We do phase identification and optical characterization of the three samples produced. The intensity of luminescence was tested to determine the effect of adding doping concentrations to the emissions produced by luminance materials ZnO: Zn. Obtained luminance material results emit green emissions with 510 nm to 535 nm wavelength range. The higher the doping concentration will be the more activators (doping) in the host (ZnO) that absorbs the energy for the excitation process so that the higher emission intensity emitted.
Pemanfaatan Panas Buang Air Conditioner (AC) pada Lemari Pengering Benih Padi: Bachtera Indarto, Santi Puspitasari, Hasto Sunarno Bachtera Indarto Bachtera Indarto; Santi Puspitasari Santi Puspitasari; Hasto Sunarno Hasto Sunarno
Jurnal Fisika dan Aplikasinya Vol 13 No 3 (2017): October 2017 Edition
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat, LPPM-ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j24604682.v13i3.3101

Abstract

Research on the utilization of heat exhaust from air conditioner (AC) for paddy dryer cup board, has been successfully done. The objective of this research is to get the design of rice dryer cabinets by utilizing the exhaust heat from the air conditioner condenser and adjust the temperature and humidity of the air in the drying cabinet in accordance with the provision in drying process of riceseed. Dryer cabinet made of the type of traydryer, has 4 shelves and made of wood plywood plated aluminum foil dimension 50 cm x 50 cm x 60 cm with a capacityof 2 kg. The temperature and humidity settings of the drying cabinet are designed using SHT 11. This system produces riceseeds with moisture content of 11% after 10 hours of drying process. The temperature setting using exhaust fan works well during the drying process which is set at 30-43ºC, while the air humidity setting using blower can be maintained with valuea bove 42.55%.
Generator Termoelektrik untuk Pengisisan Aki: Shanti Candra Puspita, Hasto Sunarno, Bachtera Indarto Shanti Candra Puspita Shanti Candra Puspita; Hasto Sunarno Hasto Sunarno; Bachtera Indarto Bachtera Indarto
Jurnal Fisika dan Aplikasinya Vol 13 No 2 (2017): June 2017 Edition
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat, LPPM-ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j24604682.v13i2.2748

Abstract

Research on termoelectric generator for accu charging has been done to know the effect of different use of sield (heating system framework) between plywood and aluminum on TEG heating system. Besides that also to know how much time needed for charging accu as TEG application. This research is focused on making more efficient heating systems, which is done by increasing the efficiency of the TEG module in generating voltage. In this research, it can be concluded that the update of heating system using Alumunium sield can increase the output voltage of the thermoelectric generator by 4.435% compared to the previous research using TEG type SP184827145SA. While the application of charging Accu using TGPR-1W-2V-21S can produce a voltage of 6 ± 0.05 Volt with a currentof 0.43 ± 0.015 Ampere which requires a duration of charging time of 10 hours.
Co-Authors Bachtera Indarto Bachtera Indarto Diky Anggoro Diky Anggoro Faridawati Faridawati Gatut Yudoyono Gatut Yudoyono Nurrisma Puspitasari Nurrisma Puspitasari Raidah Syarifah Raidah Syarifah Rizki Yuniasari Rizki Yuniasari Santi Puspitasari Santi Puspitasari Shanti Candra Puspita Shanti Candra Puspita Sudarsono Sudarsono Yono Hadi Pramono Yono Hadi Pramono