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All Journal Pascal: Journal of Physics and Science Learning
Bunga Kusuma Putri
Universitas Sultan Ageng Tirtayasa
Physics Social Sciences Other

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APPLICATION OF CARBON DOTS FROM PAPAYA PEEL USING THE OVEN HEATING METHOD ON SPINACH PLANT GROWTH Bunga Kusuma Putri; Rahmat Firman Septiyanto; Devi Ayu Nur'aini
Pascal: Journal of Physics and Science Learning Vol 10, No 1 (2026): JUNI
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/pascal.v10i1.13665

Abstract

This study aims to synthesize carbon dots (C-dots) from papaya peel using the oven heating method and to examine their effect on spinach growth. The synthesis process involved carbonization, grinding, dissolution, and filtration to obtain a clear C-dots solution. UV light testing showed fluorescence emission, indicating the formation of carbon nanoparticles. C-dots were applied at concentrations of 0.5 g/L and 1 g/L, with distilled water as the control. Plant growth was observed through plant height for seven days. The results showed that C-dots improved plant growth compared to the control. The 1 g/L concentration was more effective in the early phase, while 0.5 g/L showed more stable effects in the later phase. These findings indicate the potential of C-dots as an environmentally friendly nanotechnology-based plant growth enhancer. Further research is recommended to explore other concentrations and growth parameters.
APPLICATION OF CARBON DOTS FROM PAPAYA PEEL USING THE OVEN HEATING METHOD ON SPINACH PLANT GROWTH Bunga Kusuma Putri; Rahmat Firman Septiyanto; Devi Ayu Nur'aini
Pascal: Journal of Physics and Science Learning Vol 10, No 1 (2026): JUNI
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/pascal.v10i1.13665

Abstract

This study aims to synthesize carbon dots (C-dots) from papaya peel using the oven heating method and to examine their effect on spinach growth. The synthesis process involved carbonization, grinding, dissolution, and filtration to obtain a clear C-dots solution. UV light testing showed fluorescence emission, indicating the formation of carbon nanoparticles. C-dots were applied at concentrations of 0.5 g/L and 1 g/L, with distilled water as the control. Plant growth was observed through plant height for seven days. The results showed that C-dots improved plant growth compared to the control. The 1 g/L concentration was more effective in the early phase, while 0.5 g/L showed more stable effects in the later phase. These findings indicate the potential of C-dots as an environmentally friendly nanotechnology-based plant growth enhancer. Further research is recommended to explore other concentrations and growth parameters.
Co-Authors Devi Ayu Nur'aini Rahmat Firman Septiyanto, Rahmat Firman