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Journal of Aceh Physics Society
Published by Universitas Syiah Kuala
ISSN : -     EISSN : 23558229     DOI : -
Core Subject : Science,
Physics
Focus of Journal of Aceh Physics Society (JAcPS) provides a forum for original paper works that enhances understanding of physics and their application. Scope of Journal of Aceh Physics Society (JAcPS) paper related to the development of new experimental methods, visualization techniques, material physics, optic, laser and instrumentation in physics is an important part of this journal. Experience gained and lessons learned in building test facilities and in measuring and reducing test data are important aspect of any experimental work. Authors are encouraged to report this experience and to summarize the original data. Archival review paper, short communication, invited papers, discussion of previously published papers, and book reviews are regular feature of the journal, in addition to full-length article.
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Articles 6 Documents
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Search results for , issue "Volume 10, Number 2, April 2021" : 6 Documents clear
A Study on the utilization of coffee grounds for particle board Cut Rizka Maulida; Mursal Mursal; Ismail Ismail
Journal of Aceh Physics Society Volume 10, Number 2, April 2021
Publisher : PSI-Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jacps.v10i2.19063

Abstract

Abstrak. Penelitian ini bertujuan untuk membuat papan partikel dengan menggunakan limbah ampas kopi dan resin epoksi sebagai perekat. Komposisi resin epoksi divariasikan yaitu 5, 10, 15 dan 20 vol.% untuk masing-masing partikel ampas kopi berukuran 20 dan 40 mesh. Papan partikel dibuat dengan teknik pressing dengan beban sebesar 9 ton selama 30 menit. Sifat mekanik yang diuji adalah MOE, MOR, dan kuat tekan. Sifat fisis papan partikel yang diuji adalah kerapatan dan pengembangan tebal. Hasil menunjukkan bahwa nilai MOE tertinggi yaitu 20,910 kgf/cm2 pada komposisi 95 vol.% ampas kopi dan 5 vol.% resin epoksi dengan ukuran ampas kopi 40 mesh. MOR tertinggi yaitu 167 kgf/cm2 pada ukuran partikel 40 mesh dengan komposisi ampas kopi 90 vol.% dan resin epoksi 10 vol.%. Nilai kuat tekan tertinggi diperoleh 220 kgf/cm2 pada 20 mesh, dengan komposisi 85 vol.% ampas kopi dan 15 vol.% resin epoksi. Kerapatan dan pengembangan tebal papan partikel yang tertinggi masing-masing adalah 1,16 g/cm3 dan 0,85%. Secara umum, sifat mekanis papan partikel ampas kopi tergantung pada komposisi dan ukuran partikel ampas kopi. Namun, sifat fisisnya tidak berubah secara signifikan untuk ukuran partikel dan komposisi yang berbeda. Papan partikel yang diperoleh dari penelitian ini memenuhi standar ANSI sehingga berpotensi untuk dijadikan sebagai papan partikel atau komposit. Abstract.. This study aims to make a particle board using coffee ground waste and epoxy resin as an adhesive. The composition of the epoxy resin was varied, namely 5, 10, 15 and 20 vol.% for 20 mesh and 40 mesh of coffee grounds particles. Particle board is made by pressing technique with a load of 9 tons for 30 minutes. The mechanical properties tested were MOE, MOR, and compressive strength. The physical properties of the particle board tested were density and thickness swelling. The results showed that the highest MOE particle board was 20.910 kgf/cm2 (95 vol.% coffee grounds:5 vol.% epoxy resin; 40 mesh). The highest MOR was 167 kgf/cm2 (90 vol.% coffee grounds:10 vol.% epoxy resin;40 mesh). The hihgest compressive strength values was 220 kgf/cm2 (85 vol.% coffee grounds:15 vol.% epoxy resin;20 mesh). The highest density and thickness expansion were 1.16 g/cm3 and 0.85%, respectively. In general, the mechanical properties of coffee grounds particleboard depend on the composition and particle size of coffee grounds. However, their physical properties do not change significantly for different particle sizes and compositions. The particle board obtained from this study meets the standard of ANSI. Thus, coffee grounds have the potential to be used as particle board or composite. Keywords particle board, coffee grounds, epoxy resin, mechanical properties, physical properties
Preparation and characterization of ZnFe2O4 on the microstructures and magnetic properties Tua Raja Simbolon; Timbangan Sembiring; Muhammadin Hamid; David Arianto Hutajulu; Martha Rianna; Achmad Maulana Soehada Sebayang; Anggito P Tetuko; Eko Arief Setiadi; Masno Ginting; Perdamean Sebayang
Journal of Aceh Physics Society Volume 10, Number 2, April 2021
Publisher : PSI-Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jacps.v10i2.18710

Abstract

Abstrak. Telah berhasil dilakukan sintesis ZnFe2O4 menggunakan metode sol-gel. ZnO dan serbuk Fe3O4 dicampur dan dipanaskan menggunakan hotplate pada suhu 60oC selama satu jam. Efek dari doping ZnO pada mikrostruktur, morfologi dan sifat magnet dikarakterisasi menggunakan XRD, SEM dan VSM. Hasil dari XRD dan SEM mengkonfirmasi bahwa struktur ZnFe2O4 spinel ferit menunjukkan kristal rata-rata 1 μm. Kemudian sifat kemagnetan ZnFe2O4 yang dikonfirmasi bersifat paramagnetik dengan kondisi optimum dari sifat kemagnetan tersebut tercantum sebagai berikut: Ms 0.4 emu×g-1, Mr 0.2 emu×g-1, dan Hc 230 Oe.Abstract. ZnFe2O4 have been synthesized using sol-gel method. ZnO, and Fe3O4 powder was mixing with hotplate for one hour in 60oC. Effect of ZnO doped on microstructure, morphology and magnetic properties were investigated using XRD, SEM and VSM. The result of XRD and SEM confirmed that the ZnFe2O4 structure of spinel ferrite has average crystal of 1 μm. The magnetic properties of ZnFe2O4 confirmed paramagnetic with the optimum condition of the magnetic properties are listed in the following: Ms 0.4 emu×g-1, Mr 0.2 emu×g-1, and Hc 230 Oe.Keywords: ZnFe2O4, Sol-gel method, Microstructures, Magnetic Properties.
Analysis of Activated Carbon Monolith Derived from Carrot Juice Waste for Supercapacitor Electrode Application Dewi Ramayani; Yanuar Hamzah; Erman Taer; Novi Yanti; Afriwandi Apriwandi
Journal of Aceh Physics Society Volume 10, Number 2, April 2021
Publisher : PSI-Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jacps.v10i2.18392

Abstract

Abstrak. Pengembangan sistem penyimpanan energi elektrokimia yang efektif dan efisien menjadi sangat penting pada era evolusi teknologi dan industri modern saat ini. Penelitian ini mengemukakan karbon aktif sebagai bahan dasar material elektroda untuk diaplikasikan pada piranti penyimpan energi, khsusunya superkapasitor melalui analisa densitas, X-ray diffraction (XRD), Fourier Transform Infrared (FTIR) dan Cyclic Voltammetry (CV). Karbon aktif berbentuk monolit disiapkan dari ampas jus wortel melalui pendekatan pirolisis satu tahap terintegrasi dan aktivasi kimia KOH. Proses pirolisis satu tahap terintegrasi dilakukan melalui penggabungan karbonisasi dan aktivasi fisika dalam atmosfer gas N2/CO2. Berdasarkan analisis data, karbon aktif menunjukkan sifat amorf yang normal dan sifat porositas terkonfirmasi. Lebih lanjut, sifat elekrokimia dievaluasi menggunakan metode Cyclic Voltammetry (CV) pada sistem dua elektroda. Kapasitansi spesifik yang dihasilkan sebesar 155 F/g dalam elektrolit 1 M H2SO4 dengan energi spesifik dan daya spesifik adalah 21,52 Wh/kg dan 77,57 W/kg. Berdasarkan analisa ini maka ampas jus wortel terkonfirmasi berpotensi sebagai karbon aktif untuk elektroda yang diaplikasikan dalam piranti penyimpan energi superkapasitor.Abstract. The development of an effective and efficient electrochemical energy storage system is very important in today's era of technological evolution and the modern industry. This research suggests that activated carbon is the raw material for electrode materials to be applied to energy storage devices, especially supercapacitors through density analysis, X-ray diffraction (XRD), Fourier Transform Infrared (FTIR), and Cyclic Voltammetry (CV). Activated carbon in the monolith form derived from carrot juice waste was prepared through a one-stage integrated pyrolysis approach and chemical activation of KOH. An integrated one-stage pyrolysis process was carried out by combining carbonization and physical activation in an N2/CO2 gas atmosphere. Based on data analysis, activated carbon performed normal amorphous behavior with confirmed porosity features. Furthermore, the electrochemical properties were evaluated using the Cyclic Voltammetry (CV) method at the two-electrode system. The specific capacitance was found as high as 155 F/g in the 1 M H2SO4 aqueous electrolyte with specific energy and specific power as high as 21.52 Wh/kg and 77.57 W/kg, respectively. Based on this analysis, the carrot juice waste has been confirmed to have the potential as activated carbon for the electrodes applied in supercapacitor energy storage technology.Keywords: Carrot Juice Waste, Activated Carbon, Electrode Materials, Supercapacitor
Cover Volume 10(2) April 2021 Editorial JAcPS
Journal of Aceh Physics Society Volume 10, Number 2, April 2021
Publisher : PSI-Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The file content of: editorial list, reviewer list, and table of content 
Mechanical properties of coconut shell particle board using epoxy resin adhesive Zia Nurkhalida Hatta; Mursal Mursal; Ismail Ismail
Journal of Aceh Physics Society Volume 10, Number 2, April 2021
Publisher : PSI-Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jacps.v10i2.19086

Abstract

Abstrak. Papan partikel merupakan komposit yang tersusun dari filler (penguat) dan matriks (pengikat). Papan partikel dapat dibuat dari bahan limbah pertanian yang mengandung selulosa seperti tempurung kelapa. Penelitian ini menggunakan limbah tempurung kelapa sebagai filler dan resin epoksi (RE) sebagai matriks. Penelitian dilakukan dengan memvariasikan ukuran partikel tempurung kelapa (60, 80, 100 dan 120 mesh) dan komposisi filler tempurung kelapa:perekat RE (70:30, 75:25, 80:20, dan 85:15 vol.%) untuk memperoleh sifat mekanik yang terbaik. Sifat mekanik yang diuji adalah modulus of elasticity, modulus of rupture, dan kuat tekan. Sifat mekanik papan partikel diuji sesuai standar ASTM. Hasil penelitian menunjukkan bahwa sifat mekanik menurun dengan bertambahnya komposisi tempurung kelapa. Namun sifat mekanik meningkat dengan mengecilnya ukuran partikel dari 60 ke 120 mesh. Papan partikel yang dihasilkan memenuhi persyaratan ANSI untuk ukuran partikel 120 mesh, komposisi tempurung kelapa 80 vol.%, dan RE 20 vol.%.Abstract. Particle board is a composite composed of filler (reinforcement) and a matrix (binder). Particle board can be made of agricultural waste material containing cellulose such as a coconut shell. This study used coconut shell particles as a filler and epoxy resin (RE) as a matrix. The research was conducted by varying the particle size of coconut shells (60, 80, 100 and 120 mesh) and the composition of coconut shell fillers:RE adhesive (70:30, 75:25, 80:20, and 85:15 vol.%) to obtain the best mechanical properties. The mechanical properties tested were modulus of elasticity, modulus of rupture, and compressive strength. Particleboard was tested according to ASTM standards. The results showed that the mechanical properties decreased with increasing coconut shell composition. However, the mechanical properties increased as the particle size decreased from 60 to 120 mesh. The resulting particle board meets ANSI requirements for a particle size of 120 mesh, 80 vol.% of coconut shell composition, and 20 vol.% of RE. Keywords: Coconut Shell, Epoxy Resin, Mechanical Properties, Particle Board
Potential of ZnO/ZnS as electron transport materials on Perovskite Solar Cells Ilham Yurestira; Arie Purnomo Aji; Muhammad Feri Desfri; Ari Sulistyo Rini; Yolanda Rati
Journal of Aceh Physics Society Volume 10, Number 2, April 2021
Publisher : PSI-Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jacps.v10i2.18383

Abstract

Abstrak. Sel surya berbasis perovskite merupakan sel fotovoltaik generasi terakhir yang mampu memanfaatkan energi surya dengan efisiensi tinggi dan dapat difabrikasi melalui proses yang sederhana dan murah. Sejak diperkenalkannya perovskite solar cell (PSC), efisiensi konversi dayanya telah mencapai efisiensi di atas 23% dalam waktu yang relatif singkat diiringi dengan peningkatan publikasi ilmiah di bidang ini. Penggunaan semikonduktor ZnO sebagai Electron Transport Material (ETM) yang merupakan salah satu bagian utama dalam PSC mulai dilirik akibat proses pembuatan yang lebih sederhana dibandingkan TiO2. Seng oksida (ZnO) masih memiliki kelemahan yang dapat diatasi dengan penambahan ZnS untuk mengurangi rekombinasi pembawa muatan dari lapisan perovskite ke ETM. Tujuan dari artikel ini adalah untuk menyajikan tinjauan singkat tentang status terkini mengenai komposit ZnO/ZnS sebagai elektron transport material pada sel surya perovskit. Ulasan ini juga membahas peran penambahan ZnS dalam memperbaiki morfologi dalam ukuran nano dan sifat optik material sekaligus meningkatkan kinerja PSC beserta penjelasan mengenai mekanisme dasar operasi piranti untuk memberikan pemahaman yang lebih baik tentang sifat dari ZnO/ZnS sebagai ETM pada sel surya perovskit. Abstract. Perovskite-based solar cells are the latest generation of photovoltaic cells capable of utilizing solar energy at high efficiency and can be fabricated through a simple and inexpensive process. Since the introduction of the perovskite solar cell (PSC), its power conversion efficiency has reached efficiencies above 23% in a relatively short period of time accompanied by an increase in scientific publications in this field. The use of ZnO semiconductors as Electron Transport Material (ETM), which is one of the main parts of PSC, has begun to be noticed due to the simpler manufacturing process compared to TiO2. Zinc oxide (ZnO) still has a weakness which can be overcome by adding ZnS to reduce the recombination of the charge carriers from the perovskite layer to the ETM. The aim of this article is to present a brief overview of the current status of ZnO/ZnS composites as an electron transport material in perovskite solar cells. This review also discusses the role of addition of ZnS in improving morphology in nanosize and optical properties of materials as well as improving PSC performance along with an explanation of the basic mechanism of device operation to provide a better understanding of the properties of ZnO/ZnS as ETM in perovskite solar cells. Keywords: Perovskite solar cell, Composite, ZnO, ZnS dan Electron Transport Material.

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