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All Journal Spektra: Jurnal Fisika dan Aplikasinya International Journal of STEM Education for Sustainability Proceeding International Conference on Education
Hun, Hilarius Donatus
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Religion Aerospace Engineering Education Electrical & Electronics Engineering Energy Materials Science & Nanotechnology Physics Social Sciences Other

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Analysis of Experimental Physics Publications for Teaching Over the Past Decade (2015-2024) Muddasir, Fadhil; Hun, Hilarius Donatus; Jubaedah; Sorpay, Yeheskel; Widayani; Triyanta
Proceeding International Conference on Education Volume 03, Agustus Tahun 2025: International Conference on Education
Publisher : Faculty of Tarbiyah, Institut Agama Islam Negeri (IAIN) Kediri, Indonesia

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Abstract

Physics experiments play a crucial role in fostering student engagement, serving as a foundation for active learning and critical skill development. Experiments provide hands-on experiences that help students develop problem-solving abilities, scientific reasoning, and collaborative skills. Understanding the trends in experimental physics publications for teaching is essential to assess how this field evolves and to identify research gaps. This study examines the publication trends of experimental physics research for teaching over the past decade (2015–2024) by analyzing 2352 articles from prominent journals, including Physics Education, The Physics Teacher, European Journal of Physics, and American Journal of Physics. The results highlight notable peaks in publication during key periods, such as the COVID-19 pandemic, which accelerated innovation in virtual and remote experimental setups. Mechanics emerged as the most frequently researched topic, while thermodynamics and modern physics were underrepresented, suggesting significant research gaps. The analysis also identifies the transformative potential of technological advancements like smartphone-based tools and augmented reality, which have significantly enhanced teaching methodologies. This study underscores the need for collaborative efforts among researchers, educators, and policymakers to develop accessible, scalable, and innovative experimental approaches.
Understanding the Terminal Velocity of Particle Motion in Fluids at the Senior High School Level with Numerical Experiments Hun, Hilarius Donatus; Fahra, Raden Manzilah Mubarokah; Putri, Bella Yunisah; Aufia, Yasrifa Fitri; Jubaedah, Jubaedah
International Journal of STEM Education for Sustainability Vol 4, No 2 (2024)
Publisher : Gemilang Maju Publikasi Ilmiah (GMPI) 

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53889/ijses.v4i2.389

Abstract

Investigating the motion of solid particles in fluids analyzes the drag force experienced by the particles, depending on parameters such as particle diameter, fluid velocity, density, and viscosity. The Reynolds number, which expresses a fluid's inertia relative to its viscosity, governs the dimensionless drag coefficient, which is critical to understanding drag forces. Terminal velocity, achieved when the force of gravity equals the buoyancy and drag forces of the fluid, is a critical concept often analyzed using the Stokes model. However, differences between theoretical and experimental terminal velocities arise due to oversight of the model's application conditions. Numerical experiments offer controlled conditions to address this, helping predictions align with theoretical models. This research explores the influence of density ratio and particulate diameter on terminal velocity, aiming to support research-based learning for teachers and conceptual understanding for students. Numerical experiments designed by Arbie et al. (2021) investigated two-dimensional particulate configurations, allowing controlled manipulation of parameters. The results show a strong influence of the density ratio and diameter to the terminal velocity, with larger parameter values influencing the Reynolds number and giving rise to differences between theoretical and experimental values. Therefore, careful parameter selection is essential for viscosity experiments, aligning with the objectives and comparability of theoretical models.
Comparative Study of the Incorporation of Gold and Silver Nanoparticles into N-719 Dye on the Performance of Dye-Sensitized Solar Cell (DSSC) Putri, Hawinda Restu; Hun, Hilarius Donatus; Rahayu, Setiya; Herman; Pambudi, Muhammad Tegar; Wulandari, Priastuti
Spektra: Jurnal Fisika dan Aplikasinya Vol. 10 No. 3 (2025): SPEKTRA: Jurnal Fisika dan Aplikasinya, Volume 10 Issue 3, December 2025
Publisher : Program Studi Fisika Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/SPEKTRA.103.04

Abstract

The Dye-Sensitized Solar Cell (DSSC) is a promising third-generation solar cell technology with very significant enhancement in device efficiency. The modification in the fabrication of DSSC is still being studied today in order to increase the stability and lifetime of the devices. The aims of our research is to compare the incorporation of gold and silver nanoparticles capped with 3-Mercaptopropionic Acid (AuMPA or AgMPA) into N-719 dye to enhance DSSC performance. Metal nanoparticles exhibit a unique optical property called Localized Surface Plasmon Resonance (LSPR), which maximizes light absorption. In our experiment, AuMPA and AgMPA were prepared using the chemical reduction method and then incorporated into the dye solution and then in the DSSC assemble, the electrode-TiO2 layer were immersed into dye contained NPs solution. Optical characterization, including absorbance and photolumine-scence spectra, shows a blue shift in the spectral position and an overlap between the intrinsic peak of N-719 and the plasmonic peak of AuMPA or AgMPA, indicating a stable nanoparticle dispersion within the dye matrix. Fourier Transform Infrared (FTIR) spectra confirm the chemical interaction through the changes in the S-H and -COOH vibrations. Scanning Electron Microscopy (SEM) observation reveals the presence and growth of AuMPA and AgMPA nanoparticles within the mesoporous TiO2 layer. The addition of AuMPA into the dye solution increases the PCE of the device from 3.32% to 4.19%, while AgMPA yielded a PCE of 3.76%. Enhancement of our DSSC performance is attributed to the LSPR effect, which enhances light absorption and charge transport. The better performance by the addition of AuMPA into the dye is attributed to a highly substantial plasmonic effect and stability, while AgMPA tends to aggregate, limiting its effectiveness.
Co-Authors Aufia, Yasrifa Fitri Fahra, Raden Manzilah Mubarokah Herman Jubaedah JUBAEDAH JUBAEDAH, JUBAEDAH Muddasir, Fadhil Pambudi, Muhammad Tegar Putri, Bella Yunisah Putri, Hawinda Restu Setiya Rahayu, Setiya Sorpay, Yeheskel Triyanta Widayani Wulandari, Priastuti