Marjoni Imamora Ali Umar
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View article: Peningkatan Kompetensi Profesional Guru SMP Islam Raudhatul Jannah Payakumbuh melalui Pendampingan Penulisan Artikel Ilmiah
Peningkatan Kompetensi Profesional Guru SMP Islam Raudhatul Jannah Payakumbuh melalui Pendampingan Penulisan Artikel Ilmiah Open
Fokus pendampingan yang dilakukan yaitu pada strategi menulis artikel ilmiah sesuai dengan standar jurnal ilmiah dan memberikan informasi mengenai jurnal-jurnal yang dapat diakses, baik untuk rujukan (referensi) dan/atau untuk diajukan art…
View article: Hot-carrier phenomenon in perovskite solar cells under white light emitting diode
Hot-carrier phenomenon in perovskite solar cells under white light emitting diode Open
Hot-carrier solar cells offer the potential for enhanced power conversion efficiency by tapping into the kinetic energy of hot carriers generated upon sunlight absorption. This involves using specially designed materials capable of efficie…
View article: Pengembangan E-Modul Fisika Berbasis Sosioscientific Issue Menggunakan Smart Apss Creator Materi Energi Terbarukan
Pengembangan E-Modul Fisika Berbasis Sosioscientific Issue Menggunakan Smart Apss Creator Materi Energi Terbarukan Open
Simple and limited teaching materials make students less motivated to learn, more interested in using their cellphones, because this requires teaching materials that can be used on their cellphones. Smart apps creator (SAC) can be used to …
View article: Penerapan Model Pembelajaran SOLE (Self Organized Learning Environments) Pada Hasil Belajar Peserta Didik Kelas XI IPA SMA Negeri 1 Bukittinggi Berbantuan Aplikasi Microsoft Teams
Penerapan Model Pembelajaran SOLE (Self Organized Learning Environments) Pada Hasil Belajar Peserta Didik Kelas XI IPA SMA Negeri 1 Bukittinggi Berbantuan Aplikasi Microsoft Teams Open
This study aimed to determine whether students who used the Self Organized Learning Environments (SOLE) learning model using the Microsoft Teams application had better learning outcomes than students who used the face-to-face learning mode…
View article: Photocatalytic activity and stability properties of porous TiO2 film as photocatalyst for methylene blue and methylene orange degradation
Photocatalytic activity and stability properties of porous TiO2 film as photocatalyst for methylene blue and methylene orange degradation Open
The development of photocatalyst material is strongly required to provide an efficient and effective photocatalyst with respect to photocatalytic activity performance, and also more specifically reusability. In this paper, we discuss the s…
View article: Air-Processable Perovskite Solar Cells by Hexamine Molecule Phase Stabilization
Air-Processable Perovskite Solar Cells by Hexamine Molecule Phase Stabilization Open
Perovskite solar cells have emerged as a potential energy alternative due to their low cost of fabrication and high power conversion efficiency. Unfortunately, their poor ambient stability has critically limited their industrialization and…
View article: Optoelectrical Properties of Hexamine Doped-Methylammonium Lead Iodide Perovskite under Different Grain-Shape Crystallinity
Optoelectrical Properties of Hexamine Doped-Methylammonium Lead Iodide Perovskite under Different Grain-Shape Crystallinity Open
The crystallinity properties of perovskite influence their optoelectrical performance in solar cell applications. We optimized the grain shape and crystallinity of perovskite film by annealing treatment from 130 to 170 °C under high humidi…
View article: Improving the Optoelectrical Properties of Humid Stable, Hexamined Perovskite Lattice by Penetylammonium Cation Additive
Improving the Optoelectrical Properties of Humid Stable, Hexamined Perovskite Lattice by Penetylammonium Cation Additive Open
View article: Formation of Ultimate Thin 2D Crystal of Pt in the Presence of Hexamethylenetetramine
Formation of Ultimate Thin 2D Crystal of Pt in the Presence of Hexamethylenetetramine Open
Platinum naturally crystalizes into a three-dimensional crystal due to its highly symmetrical fcc lattice, with a metallic bond which is non-directional and highly isotropic. This inherently means ultimately that 2D crystals of a few atoms…
View article: Development of android-based interactive module on impulse and momentum material
Development of android-based interactive module on impulse and momentum material Open
This research aims to develop an android-based interactive module using adobe flash on Impulse and Momentum subject and to find out its validation and practicality. The use of Adobe Flash to develop media or learning modules has been widel…
View article: The Liquid Phase Deposition of ZnPtBNs: Study on Structural, Morphology, and Their Sheet-Resistant
The Liquid Phase Deposition of ZnPtBNs: Study on Structural, Morphology, and Their Sheet-Resistant Open
This paper reports ZnPt bimetallic nanoparticles (ZnPtBNs) synthesis through the liquid phase deposition (LPD) of of Zn(NO3)2.6H2O onto the indium-titanium oxide (ITO) substrates at various concentrations. The Effects of growth solution, t…
View article: Fabrication of Digital Harmonic Vibration Practicum Using Phototransistor Sensor with Arduino-Uno Microcontroller
Fabrication of Digital Harmonic Vibration Practicum Using Phototransistor Sensor with Arduino-Uno Microcontroller Open
The problem in the harmonic vibration practicum is in calculating time accurately. Commonly, the time counter used was a stopwatch, but it was unable to provide valid data. As a result, the student has difficulty seeing the relationship be…
View article: Improvement of Student Learning Outcomes with Blended-Learning Method (Offline and Virtual) on Momentum and Impulse Materials at SMAN 1 Sungai Tarab
Improvement of Student Learning Outcomes with Blended-Learning Method (Offline and Virtual) on Momentum and Impulse Materials at SMAN 1 Sungai Tarab Open
The purpose of this study was to improve the student learning outcomes on momentum and impulse material in class X MIPA3 SMA Negeri 1 Sungai Tarab through the application of the blended learning method with face-to-face learning approaches…
View article: Efek Variasi Waktu Penumbuhan Secara Hidrotermal Terhadap Keteraturan Nanorod Zink Oksida
Efek Variasi Waktu Penumbuhan Secara Hidrotermal Terhadap Keteraturan Nanorod Zink Oksida Open
dihasilkan dilaporkan dalam artikel ini. Konsentrasi larutan penumbuh ZnO Nanorod yang digunakan adalah 0.04M Zn (NO) 3 .H 2 O pada suhu 90 ° C. Waktu penumbuhan ZnO nanorod dilakukan dengan 5 variasi waktu yaitu 0.5 h, 1h, 2h, 4, dan 8h …
View article: Synthesis and Characterization of TiO2 Semiconductor Doped by AgNO3 and Their Application as Photoanode in Dye-sensitized Solar Cells
Synthesis and Characterization of TiO2 Semiconductor Doped by AgNO3 and Their Application as Photoanode in Dye-sensitized Solar Cells Open
The use of Titanium dioxide (TiO2) semiconductors in Dye-Sensitized Solar Cells (DSSC) devices have been extensively studied and synthesized with various techniques to obtain optimal performance. The TiO2 semiconductors with optimal perfor…
View article: Kerakterisasi ZnO Nanorod Yang Disintesis Secara Hydrothermal Dengan Berbagai Konsentrasi Sebagai Nanogenerator
Kerakterisasi ZnO Nanorod Yang Disintesis Secara Hydrothermal Dengan Berbagai Konsentrasi Sebagai Nanogenerator Open
View article: Graphene-Au Film Synthesized from GrO in Au-Aquaeus Solution as Counter Electrode For DSSC Application
Graphene-Au Film Synthesized from GrO in Au-Aquaeus Solution as Counter Electrode For DSSC Application Open
The study on the optical, electrical properties of multilayer graphene (MLG) obtained by thermal-reduction of graphene oxide (GrO) which was synthesized directly by mixing graphite oxide (GO) flake in 0.005, 0.01, 0.015, and 0.02 M of Au a…
View article: Revisiting Generic Science Skills as 21st Century Skills on Biology Learning
Revisiting Generic Science Skills as 21st Century Skills on Biology Learning Open
The purpose of this study was to describe the generic skills of students’ science who conducted experiments on biology learning grade VIII Junior High School (SMP) in Batusangkar. This study used a descriptive quantitative design. The vari…
View article: Two-Dimensional, Hierarchical Ag-Doped TiO<sub>2</sub> Nanocatalysts: Effect of the Metal Oxidation State on the Photocatalytic Properties
Two-Dimensional, Hierarchical Ag-Doped TiO<sub>2</sub> Nanocatalysts: Effect of the Metal Oxidation State on the Photocatalytic Properties Open
This paper reports the synthesis of two-dimensional, hierarchical, porous, and (001)-faceted metal (Ag, Zn, and Al)-doped TiO2 nanostructures (TNSs) and the study of their photocatalytic activity. Two-dimensional metal-doped TNS…
View article: Effect of Growth Temperature on ZnO Nanorod Properties and Dye Sensitized Solar Cell Performance
Effect of Growth Temperature on ZnO Nanorod Properties and Dye Sensitized Solar Cell Performance Open
Nanostructure of semiconductor materials zinc oxide (ZnO) is widely used in fabrication of solar cell devices. The performance of such devices is strongly depending on the nanostructures of the thin films used. In this paper reports the ef…
View article: Polythiopene sodium poly [2-(3-thienyl)-ethoxy-4-buthylsulfonate] Inkjet Printed Film-Sensitized ZnO Nanorods Solar Cells
Polythiopene sodium poly [2-(3-thienyl)-ethoxy-4-buthylsulfonate] Inkjet Printed Film-Sensitized ZnO Nanorods Solar Cells Open