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All Journal Jurnal Pendidikan Fisika dan Sains (JPFS)
Kurnia, Selvi
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Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Energy Physics

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Pengaruh Carbon Dots Dari Kulit Kentang Dengan Teknik Iradiasi Gelombang Mikro Terhadap Pertumbuhan Tanaman Cabai Kurnia, Selvi; Septiyanto, Rahmat Firman; M, Yus Rama Denny; Affifah, Isriyanti
Jurnal Pendidikan Fisika dan Sains (JPFS) Vol 8 No 1 (2025): Maret
Publisher : Pendidikan Fisika, FKIP, Universitas Nahdlatul Ulama Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52188/jpfs.v8i1.1111

Abstract

Carbon Dots (C-dots) are carbon-based nanomaterials that have fluorescent properties, are environmentally friendly, and are easily synthesized from organic waste materials. This research aims to synthesize C-dots from potato skins using the microwave irradiation method as an environmentally friendly and economical alternative to increase the growth of chili plants. Application tests on chili plants were carried out by adding C-dots solution to the growing medium in various concentrations (control, 50 mg/L, 60 mg/L, and 70 mg/L). Observation results showed that chili plants watered with C-Dots showed optimum growth rates found to occur with 50 mg/L carbon dots, compared to the control study, which shows a balance between growth stimulation and effective nutrient absorption without causing toxicity effects on the plants. Then, the resulting C-Dots samples were characterized using a UV-Vis Spectrophotometer using a wavelength range of 200-800 nm. The results of measurements with a UV-Vis spectrophotometer showed absorption at a wavelength of 251 nm and showed an absorbance peak of 4.379.
Co-Authors Isriyanti Affifah, Isriyanti M, Yus Rama Denny Rahmat Firman Septiyanto, Rahmat Firman