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Pandara, Dolfie Paulus
Universitas Sam Ratulangi
Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Environmental Science Materials Science & Nanotechnology Mathematics Physics Public Health Social Sciences Other

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Journal : INDONESIAN JOURNAL OF APPLIED PHYSICS

 1 
Modified household pressure cookers as Hydrothermal Reactor for Production of Carbon Dots from Fish Scale Waste Dolfie Paulus Pandara; Stepanus Tangdan; Guntur Pasau; Ferdy Ferdy; Maria Daurina Bobanto; Gerald Hendrik Tamuntuan; Ping Astony Angmalisang; Kawengian Warouw Alex Masengi; Maureen Kumaunang
INDONESIAN JOURNAL OF APPLIED PHYSICS Vol 15, No 1 (2025): April
Publisher : Department of Physics, Sebelas Maret University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/ijap.v15i1.86405

Abstract

Recent advancements in the synthesis of carbon dots utilizing basic equipment are crucial for their large-scale production. This study explores the use of household pressure cookers to synthesize carbon dots from fish waste. A thermocouple and manometer are integrated into the cooker to regulate temperature and monitor pressure. Optimization of the equipment reveals that heating 2000 mL of distilled water to 100°C requires 20, 30, and 32 minutes with power inputs of 800 W, 700 W, and 600 W, respectively. The modified cooker achieves optimal pressure and temperature at 2.4 bars, 1.7 bars, and 1.5 bars, and 136°C, 123°C, and 122°C after 60 minutes of heating with the same power inputs. These results demonstrate that a household pressure cooker can effectively synthesize carbon dots. Experiments using dried Red Snapper fish spray powder, both unground and ground, at 800 W, 700 W, and 600 W, reach optimal pressure of 2.4 bar in 36, 49, and 58 minutes, and temperatures of 128°C, 131°C, and 136°C. Carbon dots are synthesized from fish scales as fine fibers with a 1:5 weight ratio of scales to distilled water, employing 600 W power, 2.4 bar pressure, 136°C temperature, 58 minutes of boiling, 5 minutes of centrifugation at 3500 rpm, and 45 minutes of ultrasound at 42 kHz. The formation of carbon dots is confirmed by an absorption peak at 405 nm in the UV-Vis spectrum, indicating high absorbance and bright blue fluorescence. Further investigation is required to optimize equipment using various fish scales and purification processes
Co-Authors A. Saefuloh Abidjulu, Gilbert Adey Tanauma Adrian Philip Marthinus, Adrian Philip Alatif, Yahya Halim Aldi Cahya Muhammad Alfonsius, Eric Angmalisang, Ping Astony Ango, Christian Imanuel Arip Nurahman Asnawi Asnawi As’ari Bakti, Andi Ikthiar Belekubun, Arwildo Fianli Bobanto, Maria Bobanto, Maria D Bobanto, Maria D. Budiman Nasution D.D Tampemawas Dini Lestari Febriani Toba Ferdy Ferdy . Ferdy Ferdy Ferdy Ferdy Ferdy Ferdy Gerald H Tamuntuan Gerald Hendrik Tamuntuan Gerald Tamuntuan Gerald Tamuntuan Gloria R Kaindeh Guntur Pasau Guntur Pasau Guntur Pasau Handy I. R. Mosey Handy Indra Regain Mosey Hanny F. Sangian Herling D. Tangkuman Hesky S Kolibu, Hesky S Hesky S. Kolibu Hesky Stevy Kolibu Hesky Stevy Kolibu Johnly A. Rorong Kaindeh, Gloria R Kasim, Mohd Shahir Kawengian Warouw Alex Masengi Korengkeng, Fioren Laoh, Marco Lulut Alfaris Maguna, Reynold Alexander Mambu, Brian Manginsabara, Ivone S Mans Mananohas Mans Mananohas, Mans Maria D. Bobanto Maria D. Bobanto Maria Daurina Bobanto Maureen Kumaunang Maureen Kumaunang Mosey, Handy I R Nyuswantoro, Ukta Indra Ping Astony Angmalisang Ponumbol, Yuki Ponumbol, Yuki Paischa Puterama, Mareyo R Telleng Ruben Cornelius Siagian Saefuloh, A. Sagai, Fingken Stevanus Sahroni, Taufik Roni Seni H Tongkukut Seni H. Tongkukut Seni H.J. Tongkukut, Seni H.J. Seni Herlina Juwita Tongkukut Siagian, Ruben Cornelius Siahaan, Berton M Sinaga, Mardame Pangihutan Stepanus Tangdan Tampemawas, D.D Telleng, R Tirza Wungkana Tongkukut, Seni H Tongkukut, Seni Herlina Juita Tumbelaka, Agry Yoel Unso, Kristina Verna A. Suoth Vistarani Arini Tiwow Wardana, Febriansyah Wibowo, Arnowo Hari Winsyahputra Ritonga _, Ferdy