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Posman Manurung
Departement Of Physics, Faculty Of Mathematic And Natural Science, University Of Lampung
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Pengaruh Penambahan Ag Terhadap Struktur Kristal dan Sifat Optik Fe3O4, serta Variasi Massa Nanokomposit Fe3O4/Ag terhadap Karakteristik Kurva Surface Plasmon Resonance Menggunakan Metode Sintesis Hijau Flora Rosdiana Lumbansiantar; Edi Suharyadi; Suprihatin; Posman Manurung
Jurnal Teori dan Aplikasi Fisika Vol. 14 No. 01 (2026): Jurnal Teori dan Aplikasi Fisika
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtaf.v14i01.537

Abstract

Surface plasmon resonance (SPR) phenomenon was observed using the Kretschmann configuration with a four-layer structure: prism/Au Thin Film/ Fe3O4/Ag/air, with Fe3O4/Ag nanocomposite mass variation of 0.025; 0.05; 0.075; and 0.1 gram. Fe3O4 which was then added with 100 mM Ag to become Fe3O4/Ag 100 mM nanocomposite was synthesized using green synthesis method, and then characterized by XRD and UV-Vis. XRD results showed the addition of Ag to Fe3O4 does not change the crystal structure of Fe3O4 directly, but causes an increase in crystallite size. UV-Vis results showed the absorbance spectrum shifted to longer wavelengths. Deposition of Au thin layer on the prism side using vacuum evaporator. Fe3O4/Ag was deposited on the Au thin film using spray method. For the initial configuration of  prism/Au Thin Film/air, the SPR angle (θSPR) of 45.67º was obtain with a minimum reflectance (Rmin) of 0.4208. After the addition of Fe3O4/Ag with each mass, the SPR angle (θSPR) shifted to 45.98º; 46.38º; 46.75º; and 46.77º with a minimum reflectance (Rmin) of 0.5645; 0.6977; 0.7239; and 0.7663. The resulting angular shifts were 0.31º; 0.71º; 1.08º; and 1.11º. The results show that the addition of Fe3O4/Ag to the Au thin layer causes a shift in the SPR angle towards a larger incident angle, as well as increasing the minimum reflectance value. The greater the mass of nanocomposite added, the greater the SPR angle shift that occurs.     Keywords: Fe3O4/Ag nanocomposite, green synthesis, surface plasmon resonance (SPR), UV-Vis, XRD.
Co-Authors Abdurrahman, Ahmad Faruq Adeliya Ayu Anggraini Agnesia, Donna Agus Riyanto Agus Riyanto Agus Riyanto Agus Riyanto Agus Suyatna Ahmad Faruq Abdurrahman Ahmad Rosadi Alfin Edo Kaisar Lubis Amir Supriyanto Anggi Puspita Dewi Anggi Stevani Anggraini, Adeliya Ayu Anggraini, Anisyah Aprilia, Ayu Arya R. Syah Ayu Aprilia Ayu Aprilia Benyamin, Chairunissa A Chandra Ertikanto Craig Buckley Delfi Oktavia Amrani Della M. Andini Dita Rahmayanti Dwi Asmi Edi Suharyadi Ediman Ginting Ediman Ginting Ediman Ginting Ediman Ginting Suka Erika Sempana Erika Sempana Ginting Fajar Nurjaman Faradilla Syani Fath, Yusril Al Fatia Ulfah Fegi Liani Firdaus, Iqbal Flora Rosdiana Lumbansiantar Futichah Futichah Futichah Futichah Gregorius N. Susanto Gultom, Rysa Sonya Reni Paulin Gurum Ahmad Pauzi Hasni Handayani Hesti Wahyu Handani Imaniar Romaeni Indra Pardede Iqbal Firdaus Irma Yulianti It Meng Low Jayanti Pusvitasari Johar Sitohang Junaidi Junaidi - Junaidi Junaidi Junaidi Junaidi Junaidi Junaidi Junaidi Junaidi Juniati Br Simbolon Karo Karo, Pulung Karo, Pulung Karo Ketut Putra Wijaya Lady Permatasari Lusi Vusfita Sari Maharani Maharani Maharani, Renita Marjunus, Ronius Marjunus, Roniyus Mega Pertiwi, Mega Mey Puji Astuti Miranti Syafitri Mitra Septanto Nabilah Rafidiyah Nadia Febriyanti Nita Susanti Nola Fricilia Nurcahayaniati, Hikmah Nurqori Setiawati Nurul Oktavia Pertiwi, Salwa Dian Prastica, Lusia Prihanto, Surya Puji Lestari Pulung Karo-Karo Pulung Karo-karo Pulung Karo-Karo Putri, Faradilla Nabila R. Supryanto Rahayu, Sri Rahma Fauza Rahmayanti, Dita Renita Maharani Fauzi Rika Rahayu Riska Trisna Nuraini Riyanto, Agus Rizki Amalia Rudy Situmeang Rudy Situmeang Rudy T M Situmeang S Suprihatin Sahtoni Sahtoni Sari, Tria Permata Sembiring, Simon Sempana, Erika Shabrina, Shabrina Yakosati Simon Sembiring Simon Sembiring Simon Sembiring Simon Sembiring Siti Fadilah Sitohang, Rosanti Sri Rahayu Sri Ratna Sulistiyanti sri wahyu suciayti Sri Wahyu Suciyati Sri Wahyu Suciyati Suharyadi, Edy Sukma Wibowo Sumardi . Sumardi, Sumardi Sumiyati Sumiyati Supardi Supardi Suprihatin Suprihatin Suprihatin Suprihatin Suprihatin Suprihatin Suprihatin Suprihatin Suprihatin Supriyanto, Amir Syafriadi Syafriadi Syafriadi Syafriadi Syafriadi Tria Permata Sari Trianasari Trianasari Trianasari, Trianasari Vega Rahmawati Ar Vidi Nurhidayah Wasinton Simanjuntak Windhini Anggraeni Yanti Yulianti Yanti Yulianti Yanti Yulianti Yanti Yulianti Yanti Yulianti Yanti Yulianti Yuant Tiandho Yudhistira Novita Handayani Yunita Yunita Zaharani, Rethanita Zahra Maria Ulfa