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Article Review: Organic Solar Cell Gultom, Noto Susanto; Azka, Muhamad Fauzan; Khoir, Irfansyah; Hashifa, Chisa; Nurasiah, Nurasiah; Iskandar, Johan; Nurhilal, Otong
JIIF (Jurnal Ilmu dan Inovasi Fisika) Vol 9, No 2 (2025)
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/jiif.v9i2.65954

Abstract

One of the emerging technologies that has gained attention as an alternative for meeting renewable energy demands is the Organic Solar Cell (OSC). OSC is a type of photovoltaic device that utilizes organic electronic materials. The fundamental operating principle of OSC is based on the Highest Occupied Molecular Orbital (HOMO) and the Lowest Unoccupied Molecular Orbital (LUMO), with organic compounds serving as the active materials, enabling the conversion of light energy into electricity. Research on OSC has continuously evolved over the years to achieve optimal performance. The substrate/transport layer, which serves as the foundation for the organic active layer in OSC, can be categorized into several types, including ITO-based OSC, conducting polymer-based OSC, silver nanowire-based OSC, metal-based OSC, and graphene-based OSC. Organic solar cells offer several promising prospects, such as relatively low production costs, as well as flexible and transparent design features. However, OSCs also face several challenges, including relatively low efficiency and environmental stability concerns. Addressing these challenges is crucial to unlocking the full potential of OSC technology. This article first provides a general overview of OSC advancements, followed by a summary and analysis of its working principles, performance parameters, and structural components. Finally, we explore recent breakthroughs in OSC development in detail.
ANALYSIS OF THE INFLUENCE OF TEMPERATURE, EQUIVALENCE RATIO (ER) AND GASIFYING AGENT AGAINST COLD GAS EFFICIENCY (CGE) AND TAR: SISTEMATIC LITERATURE REVIEW RAHMAH, DEWI ANISA; NURHILAL, OTONG
Jurnal Material dan Energi Indonesia Vol 15, No 2 (2025)
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/jme.v15i2.69127

Abstract

The global energy transition to renewable sources places biomass and gasification technologies as crucial solutions for producing syngas. The Systematic Literature Review (SLR) analyzed the influence of operational parameters, namely Temperature, Equivalent Ratio (ER) and Gasification Agent on Cold Gas Efficiency (CGE) and Tar in biomass gasification. Based on the PRISMA methodology and the analysis of 30 selected articles, it was found that temperature has a non-linear and critical relationship. CGE reaches a peak of 75% in the range of 750°C to 800°C, while tar reduction occurs above 800°C through a thermal cracking mechanism. The optimal ER value was identified at 0.37 which resulted in a maximum concentration of flammable gases of H2 and CO with minimal tar. In addition, gasification agents such as flue gas show better quality syngas than air. By design, the downdraft type reactor proved to be superior with a much lower tar concentration of 0.05-0.45 g/Nm3 compared to the updraft type of 10.9 g/Nm3. The SLR results underscore the importance of multivariable parameter optimization for efficient and reliable gasification performance.