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All Journal Progressive Physics Journal Socio-Economic and Humanistic Aspects for Township and Industry Journal Electrical and Computer Experiences
Kormil Saputra
Physics Study Program, University of Mataram, Mataram, Indonesia; Center of Advanced Functional Material and Biosensor, Tinta Emas Institute, Mataram, Indonesia
Religion Arts Humanities Astronomy Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Physics

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The effect of microemulsion method on the characteristics of Fe3O4/TiO2 material and its relationship with performance in methylene blue degradation: A Systematic Review Fauziana Hidayat; Kormil Saputra; Dian Wijaya Kurniawidi
Progressive Physics Journal Vol. 7 No. 1 (2026): Progressive Physics Journal
Publisher : Program Studi Fisika, Jurusan Fisika, FMIPA, Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/a2enhy22

Abstract

TiO2-based photocatalysis offers a potential solution, but it has limitations, including high electron–hole recombination and difficulty in separating the catalyst after the reaction. The development of Fe3O4/TiO2 nanocomposites via the microemulsion method was conducted to enhance performance while facilitating catalyst separation. This study aims to examine the influence of the microemulsion method on material characteristics, characterization results, and their relationship to methylene blue degradation performance. The study was conducted using a systematic review with a PRISMA-compliant approach on literature from Scopus over the past 10 years. The selection process yielded five relevant articles. The microemulsion method was proven capable of producing nanoparticles (8–50 nm) with a homogeneous distribution and a mesoporous structure with a high surface area. XRD and SEM characterization results showed a dominance of the anatase phase or a mixture of anatase-rutile, which plays a role in enhancing charge separation. Photocatalytic performance showed a methylene blue degradation efficiency of up to approximately 90% within 60 minutes under sunlight. The improved performance was influenced by small particle size, high surface area, pore structure, and crystal phase composition. The addition of Fe3O4 has the potential to enhance electron transfer, suppress recombination, and facilitate catalyst separation through its magnetic properties. The microemulsion method plays a direct role in controlling the structure and characteristics of the material, which leads to improved photocatalytic performance of Fe3O4/TiO2 in the degradation of methylene blue.
Solar-Powered Smart Irrigation for Low-Carbon Agriculture: A Narrative Review and an RFID-Enabled Governance Framework for Indonesia Nur Janah; Kormil Saputra; Dian Wijaya Kurniawidi
Journal Electrical and Computer Experiences Vol. 4 No. 2 (2026): July-December
Publisher : Tinta Emas Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59535/jece.v4i2.700

Abstract

Solar pumping and smart irrigation are often combined as a technological solution to agricultural water, energy, and carbon constraints. Their sustainability, however, depends on more than replacing a diesel pump or automating a valve. This narrative review synthesizes evidence on solar-powered irrigation, soil- and climate-informed scheduling, Internet of Things architectures, rebound risk, and groundwater governance. It then translates the synthesis into IriTap, a conceptual radio-frequency identification (RFID)-enabled framework for Indonesian smallholder and communal irrigation. The literature indicates that sensors and automated control can improve the timing and quantity of irrigation, while photovoltaic pumping can sharply reduce operational fossil-energy use. Yet cheap marginal pumping energy may also encourage over-abstraction, and poorly calibrated sensors, unreliable connectivity, weak maintenance, or inequitable access can offset technical benefits. RFID is therefore positioned narrowly as an authentication, entitlement, and transaction-recording layer—not as a substitute for soil-moisture, flow, pressure, weather, or water-level sensing. The proposed architecture combines photovoltaic supply, appropriately sized pumping and storage, agronomic sensors, flow metering, local control, fail-safe valves, offline data logging, and transparent user rules. A staged validation agenda is specified using water delivery, energy, soil-moisture control, reliability, maintenance, and equity indicators; no untested performance claim is made. The review concludes that low-carbon irrigation should be evaluated as a water–energy–food governance system. Solar power and automation are enabling technologies, but sustainable outcomes require abstraction limits, agronomic calibration, local maintainability, shared accountability, and evidence from field trials.
CCS, Transition Gas, and Regulatory Credibility in Indonesia’s Decarbonization: A Narrative Review of Complementarity, Lock-In Risks, and Governance Priorities Riska Ayu Fitri; Muh. Rifaan Ramdani; Dian Wijaya Kurniawidi; Kormil Saputra
Socio-Economic and Humanistic Aspects for Township and Industry Vol. 4 No. 3 (2026): Socio-Economic and Humanistic Aspects for Township and Industry
Publisher : Tinta Emas Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59535/sehati.v4i3.701

Abstract

Indonesia is developing carbon capture and storage (CCS) regulation while simultaneously pursuing renewable electricity, carbon-market instruments, and continued natural-gas investment. The interaction among these choices is often described as complementary, but complementarity depends on sequencing, sectoral fit, methane control, and credible limits on fossil-fuel lock-in. This narrative review synthesizes international evidence on CCS performance, storage security, costs, residual emissions, and methane with Indonesia’s evolving legal architecture. CCS has a defensible role in hard-to-abate industrial processes and in managing concentrated carbon-dioxide streams where low-carbon substitutes remain limited. Its case is weaker when used to prolong inefficient power assets or delay available renewable and efficiency options. Natural gas can have lower life-cycle emissions than coal, yet its transitional value is conditional on low methane intensity, limited asset lifetime, operational flexibility, and consistency with declining carbon budgets. Indonesia’s Presidential Regulation No. 14/2024, Ministerial Regulations No. 2/2023 and No. 16/2024, renewable-power framework, and Presidential Regulation No. 110/2025 create important legal foundations. Nevertheless, bankable and socially legitimate deployment requires clearer source–sink planning, measurement and verification, long-term storage liability, methane standards, financial additionality, community participation, and rules preventing double counting. The review proposes a sequenced governance hierarchy: prioritize efficiency and renewable electricity; constrain gas to time-bound system functions; and allocate CCS to residual industrial emissions under high capture, monitoring, and liability standards. Regulatory credibility, rather than technological optimism alone, will determine whether CCS accelerates decarbonization or locks in fossil dependence.
Co-Authors Dian Wijaya Kurniawidi Dian Wijaya Kurniawidi Dian Wijaya Kurniawidi Fauziana Hidayat Muh. Rifaan Ramdani Nur Janah Riska Ayu Fitri