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All Journal Jurnal Natur Indonesia JURNAL ILMIAH PENDIDIKAN FISIKA AL BIRUNI Journal of Multidisciplinary Applied Natural Science Journal of Energy, Material, and Instrumentation Technology Jurnal Abdimas Kartika Wijayakusuma Makara Journal of Technology
Sri Wahyu Suciyati
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Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Other

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Waste-Derived Cellulose Nanocrystal–ZnO Nanocomposites Prepared by a One-Pot Green Synthesis: Structural, Optical, and Photocatalytic Properties Suciyati, Sri Wahyu; Prastica, Lusia; Supriyanto, Amir; Suprihatin, Suprihatin; Manurung, Posman; Suharyadi, Edy
Jurnal Ilmiah Pendidikan Fisika Al-Biruni Vol 14 No 2 (2025): Jurnal Ilmiah Pendidikan Fisika Al-Biruni
Publisher : Universitas Islam Negeri Raden Intan Lampung, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/jipfalbiruni.v14i2.28456

Abstract

Nanocellulose-based CNC–ZnO nanocomposites from garlic peel waste were successfully synthesized as environmentally friendly photocatalysts. This study aimed to valorize kitchen waste as a source of cellulose and combine it with ZnO through a one-pot precipitation method using CNC and Zn(NO₃)₂ as ZnO precursors. Structural, morphological, and optical properties were characterized using FTIR, XRD, SEM–EDX, XRF, and UV–Vis DRS. The XRD pattern showed a crystalline cellulose peak at 2θ ≈ 22.22° with a crystallite size of approximately 20.65 nm, while the CNC–ZnO nanocomposites showed crystallite sizes in the range of 23.93–31.12 nm. Peak shifts and broadening suggested interfacial interactions between CNC and ZnO, and the wurtzite ZnO reflections displayed a broad shoulder due to overlap with the cellulose peak and the high dispersion of ZnO within the CNC matrix. SEM–EDX analysis revealed a rod-like bundled agglomerated morphology, with the presence of Zn confirmed by EDX (39.23%) and XRF (~8.36%). The CNC–ZnO0.9 sample exhibited a band gap energy of 2.95 eV. Photocatalytic test against methyl orange (10 ppm) increased with UV irradiation time, achieving net photocatalytic efficiencies of 79.12% and 63% in the first and second cycles after 120 min, respectively. Kinetic analysis indicated that the degradation data were better described by a pseudo-second-order model with a rate constant of 0.0374 min⁻¹, indicating the role of surface interactions and the availability of active sites. These results confirmed the potential of CNC–ZnO nanocomposites derived from garlic peel waste as photocatalysts for organic dye degradation
Co-Authors Abd. Rasyid Syamsuri Abidin, Ramadhani Aewaditha, Randha Kentama Ahmad Saudi Samosir Akhmad Dzakwan, Akhmad Anggraini, Anisyah Aprilia, Ayu Apriyanto, Donni Kis Dika, Mahardika Setiawan Dwi Asmi Dyan Isworo Gultom, Rysa Sonya Reni Paulin Gurum A P Gurum A P, Gurum A P Hasibuan, Febriandi Humairoh Ratu Ayu Junaidi Junaidi Karo Karo, Pulung Karo, Pulung Karo Mega Pertiwi, Mega Muhammad Syarif Hidayatullah, Muhammad Syarif Nurcahayaniati, Hikmah Pauzi, Gurum Ahmad Posman Manurung Prastica, Lusia Pubiyanti, Intan Putra, Dio Aditia Putri, Faradilla Nabila Rifqah, Raden Ayu Nurfadhillah Sahtoni Sahtoni, Sahtoni Shabrina, Shabrina Yakosati Sitohang, Rosanti Sri Ratna Sulistiyanti Suharyadi, Edy Suprihatin Suprihatin Supriyanto, Amir Supriyanto, Amir Surtono, Arif Suryani, Mei Susi Harnani, Susi Syafriadi Syafriadi Vicias, Icha Arum Warsito Warsito Warsito, W Wasinton Simanjuntak Yanti Yulianti Yuniar, Noeris