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All Journal Spektra: Jurnal Fisika dan Aplikasinya PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL)
Alaih, Akhmad Futukhillah Fataba
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Aerospace Engineering Electrical & Electronics Engineering Energy Materials Science & Nanotechnology Physics Other

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SYNTHESIS AND CHARACTERIZATION ANALYSIS OF FE3O4/SiO2 CORE SHELL Cassia, Diva; Sugihartono, Iwan; Isnaeni, Isnaeni; Soewoto, Haswi Purwandanu; Alaih, Akhmad Futukhillah Fataba; Triyono, Djoko; Mohar, Rahmat Setiawan; Tiam, Tan Swee
Spektra: Jurnal Fisika dan Aplikasinya Vol 8 No 3 (2023): SPEKTRA: Jurnal Fisika dan Aplikasinya, Volume 8 Issue 3, December 2023
Publisher : Program Studi Fisika Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/SPEKTRA.083.04

Abstract

Fe3O4/SiO2 core shell synthesis has been carried out, and its characteristics has been analyzed to be used as a photocatalyst using co-precipitation and sol-gel method. Fe3O4 is used as the core material to eliminate the difficulty of separating the photocatalyst powder from the solution medium, SiO2 is used to avoid oxidation by preventing the Fe3O4 core from coming into direct contact with the solution. The samples were then characterized using X-Ray Diffraction (XRD), Fourier Transform Infra-Red (FTIR), and Vibrating Sample Magnetometer (VSM). The XRD and FTIR results showed that the crystal structure and movement of the sample molecules matched the standard characteristics from previous studies. The VSM characterization results show that SiO2 succeeded in reducing the value of the magnetization of Fe3O4, which proves that Fe3O4 has been successfully coated by SiO2.
SINTESIS DAN ANALISIS STRUKTUR KRISTAL NANOPARTIKEL ZNO MENGGUNAKAN METODE PRESIPITASI DENGAN PH-7 Amaliya, Septiana Tri; Sugihartono, Iwan; Alaih, Akhmad Futukhillah Fataba; Triyono, Djoko
PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) Vol. 12 (2024): PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) SNF2023
Publisher : Program Studi Pendidikan Fisika dan Program Studi Fisika Universitas Negeri Jakarta, LPPM Universitas Negeri Jakarta, HFI Jakarta, HFI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/03.1201.FA25

Abstract

Abstrak Nanopartikel Zink Oxide (ZnO) telah disintesis menggunakan teknik presipitasi dengan pH-7 dan dilanjutkan memberi perlakuan annealing pada suhu 400°C selama 4 jam. Berdasarkan Inorganic Crystal Structure Database (ICSD) nomor #98-018-0052, hasil pola difraksi yang diukur menggunakan teknik difraksi sinar-x mengkonfirmasi bahwa sampel yang terbentuk merupakan nanopartikel ZnO dengan struktur polikristal hexagonal wurtzite. Perhitungan lebih lanjut dari hasil perhitungan dan analisis pola difraksi diperoleh informasi bahwa parameter kisi a = 3.25 Å dan c = 5.21 Å dengan volume unit sel 47.62 Å3. Sedangkan ukuran kristalit pada bidang (100), (002), (101), (102), (110), (103), (200), (112), (201), (004), (202), (104), (203) berturut-turut adalah 38.67 nm, 38.09 nm, 39.13 nm, 35.23 nm, 31.79 nm, 30.55 nm, 29.50 nm, 29.63 nm, 29.97 nm, 28.74 nm, 27.79 nm, 27.24 nm, 25.59 nm. Rata-rata ukuran kristalit dari sampel nanopartikel ZnO ini adalah 31.69 nm. Kata-kata kunci: ZnO, nanopartikel, presipitasi, polikristalin. Abstract ZnO nanoparticles were synthesized using a precipitation technique with a pH of 7 and then annealed at 400°C for 4 hours. Based on the Inorganic Crystal Structure Database (ICSD) number # 98-018-0052, the results of the diffraction pattern measured using the x-ray diffraction technique confirmed that the sample formed was a ZnO nanoparticle with a polycrystalline hexagonal wurtzite structure. Furthermore, the crystal parameter was calculated from the diffraction patterns provided that the lattice parameters a = 3.25 Å and c = 5.21 Å with a unit cell volume of 47.62 Å3. Meanwhile, the crystallites size of (100), (002), (101), (102), (110), (103), (200), (112), (201), (004), (202), ( 104), (203) is 38.67 nm, 38.09 nm, 39.13 nm, 35.23 nm, 31.79 nm, 30.55 nm, 29.50 nm, 29.63 nm, 29.97 nm, 28.74 nm, 27.79 nm, 27.24 nm, 25.59 nm, respectively. It means the average crystallite size of the ZnO nanoparticle is 31.69 nm. Keywords: ZnO, nanoparticles, precipitation, polycrystal.
ANALISIS STRUKTUR KRISTAL DAN ABSORBANSI LAPISAN TIPIS ZNO BERSTRUKTUR NANO DI ATAS SUBSTRAT KACA BERPELAPIS INDIUM TIN OXIDE Aliyah, Nada Alfi; Sugihartono, Iwan; Mohar, Rahmat Setiawan; Tiam, Tan Swee; Alaih, Akhmad Futukhillah Fataba; Triyono, Djoko
PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) Vol. 12 (2024): PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) SNF2023
Publisher : Program Studi Pendidikan Fisika dan Program Studi Fisika Universitas Negeri Jakarta, LPPM Universitas Negeri Jakarta, HFI Jakarta, HFI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/03.1201.FA26

Abstract

Abstrak Pada penelitian ini telah dilakukan deposisi lapisan tipis ZnO berstruktur nano dengan menggunakan teknik Ultrasonic Spray Pyrolysis (USP) di atas substrat kaca Indium Tin Oxide (ITO) selama 15 menit pada suhu 450℃. Zinc Acetate Dyhydrate [Zn(CH3COO)2] digunakan sebagai prekursor Zn dengan variasi konsentrasi prekursor 0.1M dan 0.4M. Lapisan tipis ZnO telah dikarakterisasi menggunakan X-Ray Diffractometer (XRD), Uv-Vis Spectrofotometer, dan Scanning Electron Microscope (SEM) untuk menganalisis struktur kristal, absorbansi, dan struktur morfologi. Berdasarkan Inorganic Crystal Structure Database (ICSD) nomor #98-003-1060 dan #98-005-7478, pola X-Ray Diffraction (XRD) dari lapisan tipis ZnO memiliki struktur polikristal hexagonal wurtzite dengan space group P63mc. Uji Uv-Vis untuk sampel dengan konsentrasi 0.4M menunjukkan adanya peningkatan intensitas absorbansi paling dominan pada ~320 nm. Sehingga dapat diprediksikan sampel memiliki besar celah energi sebesar 3.2 eV. Kata-kata kunci: lapisan tipis ZnO, ultrasonic spray pyrolysis, struktur kristal, absorbansi, celah energi. Abstract In this study, we have deposited nanostructured ZnO thin films using the Ultrasonic Spray Pyrolysis (USP) method on an Indium Tin Oxide (ITO) glass substrate for 15 minutes at 450℃. Zinc Acetate Dyhydrate [Zn(CH3COO)2] was used as a Zn precursor with various precursor concentrations of 0.1M and 0.4M. The ZnO thin film has been characterized using an X-Ray Diffractometer (XRD), Uv-Vis Spectrophotometer, and Scanning Electron Microscope (SEM) to obtain a crystal structure, absorbance, and morphology structure. Based on the Inorganic Crystal Structure Database (ICSD) number #98-003-1060 and #98-005-7478, the X-Ray Diffraction (XRD) pattern of ZnO thin film has a polycrystalline hexagonal wurtzite structure with space group P63mc. Uv-Vis characterization for samples with a concentration of 0.4M showed that there was an increase in absorbance intensity that was most dominant at ~320 nm. Hence, it can be predicted that the sample has an energy gap of 3.2 eV. Keywords: ZnO thin film, ultrasonic spray pyrolysis, crystal structure, absorbance, bandgap.
STUDI AWAL BIOSINTESIS NANOPARTIKEL ZNO MENGGUNAKAN EKSTRAK DAUN MORINGA OLEIFERA DENGAN TEKNIK PRESIPITASI Azzahra, Ridha Octa Alhuriyyah; Sugihartono, Iwan; Yudasari, Nurfina; Alaih, Akhmad Futukhillah Fataba; Triyono, Djoko
PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) Vol. 12 (2024): PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) SNF2023
Publisher : Program Studi Pendidikan Fisika dan Program Studi Fisika Universitas Negeri Jakarta, LPPM Universitas Negeri Jakarta, HFI Jakarta, HFI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/03.1201.FA27

Abstract

Abstrak Biosintesis nanopartikel ZnO telah dilakukan menggunakan teknik presipitasi dengan melarutkan 2 gram seng nitrat tetrahidrat [Zn(NO3)2.4H2O] ke dalam 20 ml ekstrak daun kelor (Moringa oleifera) pada pH 9 dan suhu 60ºC selama 20 menit. Serbuk nanopartikel ZnO diperoleh setelah endapan dikalsinasi pada suhu 400ºC selama 2 jam. Pola difraksi dari hasil karakterisasi menggunakan teknik difraksi sinar-x dan pencocokan dengan standar Inorganic Crystal Structure Database (ICSD) nomor #98-018-0050 mengkonfirmasi bahwa struktur kristal dari nanopartikel ZnO adalah polikristal heksagonal wurtzite dengan space group P63mc. Selanjutnya, hasil analisis pola difraksi memberikan parameter struktur kristal berupa parameter kisi a = 3.253 Å, c = 5.210 Å, serta rata-rata Full Width at Half Maximum (FWHM) sebesar 0.6494°. Mengacu pada nilai FWHM, ukuran kristalit pada bidang (100), (002), (101), (102), (110), (103), (112), (201), dan (202) berturut-turut adalah 41.32, 41.6, 49.47, 16.34, 13.88, 8.98, 8.72, 11.7, dan 10.71 nm yang menghasilkan rata-rata ukuran kristalit sebesar 22.524 nm. Kata-kata kunci: biosintesis, nanopartikel ZnO, moringa oleifera, struktur kristal, ukuran kristalit. Abstract Biosynthesis of ZnO nanoparticles was carried out using the precipitation technique by dissolving 2 gram of Zinc Nitrate Tetrahydrate [Zn(NO3)2.4H2O] in 20 ml of Moringa oleifera leaf extract at pH 9 and temperature 60°C for 20 minutes. ZnO nanoparticles powder was obtained after the precipitate was calcined at 400°C for 2 hours. The diffraction pattern from the results of the characterization using the X-Ray Diffraction (XRD) technique and matching with the Inorganic Crystal Structure Database (ICSD) standard number #98-018-0050 confirmed that the crystal structure of the ZnO nanoparticles is hexagonal wurtzite polycrystalline with a P63mc space group. Furthermore, the results of the diffraction pattern analysis provide crystal structure parameters in the form of lattice parameters a = 3.253 Å, c = 5.210 Å, and average Full Width at Half Maximum (FWHM) of 0.6494°. According to the FWHM value, the crystallite sizes in fields (100), (002), (101), (102), (110), (103), (112), (201), and (202) respectively are 41.32, 41.6, 49.47, 16.34, 13.88, 8.98, 8.72, 11.7, and 10.71 nm which resulted in an average crystallite size of 22.524 nm. Keywords: biosynthesis, ZnO nanoparticles, moringa oleifera, crystal structure, crystallite sizes.
SINTESIS DAN ANALISIS STRUKTUR KRISTAL NANOPARTIKEL ZNO MENGGUNAKAN METODE PRESIPITASI PH-12 Tiawati, Nia; Sugihartono, Iwan; Alaih, Akhmad Futukhillah Fataba; Triyono, Djoko
PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) Vol. 12 (2024): PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) SNF2023
Publisher : Program Studi Pendidikan Fisika dan Program Studi Fisika Universitas Negeri Jakarta, LPPM Universitas Negeri Jakarta, HFI Jakarta, HFI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/03.1201.FA28

Abstract

Abstrak Nanopartikel ZnO telah disintesis melalui metode presipitasi dengan pH-12 dan larutan prekursor dipanaskan pada suhu 60℃ selama proses pengadukan. Selanjutnya sampel yang diperoleh, diberi perlakuan annealing selama 4 jam dengan suhu 400℃. Karakterisasi menggunakan teknik Difraksi Sinar-X (XRD) pada sampel telah dilakukan untuk mengetahui fase yang terbentuk dan struktur kristal. Berdasarkan Inorganic Crystal Structure Database (ICSD) nomor 98-018-0050, pola Difraksi Sinar-X (XRD) dari nanopartikel ZnO memiliki struktur wurtzit heksagonal polikristalin dengan space group P63mc. Ukuran kristalit pada bidang (100), (002), (101), (102), (110), (103), (200), (112), (201) berturut-turut adalah 33.04 nm, 32.73 nm, 34.41 nm, 30.46 nm, 26.89 nm, 26.06 nm, 25.01 nm, 25.46 nm, 25.70 nm. Rata-rata ukuran kristalit dari sampel nanopartikel ZnO ini adalah 28.86 nm. Sementara itu, parameter kisi a = b = 3.25 Å dan c = 5.21 Å dengan volume unit sel sebesar 47.61 Å3. Kata-kata kunci: nanopartikel ZnO, presipitasi, XRD, pH, ukuran kristalit. Abstract ZnO nanoparticles were synthesized by precipitation method with a pH of 12 and the precursor solution was heated at 60℃ during the stirring process. Furthermore, the samples obtained were annealed for 4 hours at 400℃. Characterization using X-Ray Diffraction (XRD) technique on the sample has been carried out to determine the phase formed and the crystal structure. Based on the Inorganic Crystal Structure Database (ICSD) number 98-018-0050, the X-Ray Diffraction (XRD) pattern of ZnO nanoparticles has a polycrystalline hexagonal wurtzite structure with the space group P63mc. The crystallite size in (100), (002), (101), (102), (110), (103), (200), (112), (201) plane are 33.04 nm, 32.73 nm, 34.41 nm, 30.46 nm, 26.89 nm, 26.06 nm, 25.01 nm, 25.46 nm, 25.70 nm, respectively. The average crystallite size of the ZnO nanoparticle samples was 28.86 nm. Meanwhile, lattice parameters a = b = 3.25 Å and c = 5.21 Å with a unit cell volume of 47.61 Å3. Keywords: ZnO nanoparticles, precipitation, XRD, pH, crystallite size
Co-Authors Aliyah, Nada Alfi Amaliya, Septiana Tri Azzahra, Ridha Octa Alhuriyyah Cassia, Diva Isnaeni Isnaeni Iwan Sugihartono Mohar, Rahmat Setiawan Soewoto, Haswi Purwandanu Tiam, Tan Swee Tiawati, Nia Triyono, Djoko Yudasari, Nurfina