2022
DOI: 10.1038/s41598-022-21087-6
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Abstract: Recently, cellulose nanocrystals (CNs) have attracted wide attention owing to their superior properties compared to their bulk materials. For example, they represent an outstanding model for fabricating green metallic/metal oxide nanoparticles (NPs). In this study, two CNs (carboxylated CNs and sulfated CNs) extracted from agro-wastes of palm sheath fibers were used as templates for the facile and green synthesis of ZnO NPs by employing the sono-co-precipitation method. The obtained nanomaterials were characte… Show more

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Cited by 3 publications
(2 citation statements)
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References 90 publications
(103 reference statements)
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“…In addition, both the octahedral and tetrahedral coordination of the γ-phase of Al 2 O 3 NPs can be inferred from the shoulder that appeared at 758 cm −1 , the line at 950 cm −1 for Al IV , and the peaks at 563, 622, and 758 cm −1 assigned to Al VI 41 . However, the observation of three absorption peaks at 1640, 1540, and 1416 cm −1 can be an indication of the potential covalently bonded carboxylate groups (comprise bridging carboxylates) covering the Al 2 O 3 NPs surface 42 . Accordingly, after calcination at a temperature of 800 °C, carboxylate groups' remains, and this consequently forms organic substituted Al 2 O 3 NPs.…”
Section: Resultsmentioning
confidence: 99%
“…In addition, both the octahedral and tetrahedral coordination of the γ-phase of Al 2 O 3 NPs can be inferred from the shoulder that appeared at 758 cm −1 , the line at 950 cm −1 for Al IV , and the peaks at 563, 622, and 758 cm −1 assigned to Al VI 41 . However, the observation of three absorption peaks at 1640, 1540, and 1416 cm −1 can be an indication of the potential covalently bonded carboxylate groups (comprise bridging carboxylates) covering the Al 2 O 3 NPs surface 42 . Accordingly, after calcination at a temperature of 800 °C, carboxylate groups' remains, and this consequently forms organic substituted Al 2 O 3 NPs.…”
Section: Resultsmentioning
confidence: 99%
“…From Fig. 3b, the main diffraction peaks at Bragg angles (2θ°) of 15.6° and 22.14° of the RH are attributed to the diffraction patterns from the crystal structure of the cellulose content [55]. On the other hand, the broad peak at Bragg angles (2θ°) of ca 22° in the diffraction profiles of the extracted SiO 2 NPs is characteristic of the amorphous phase of mesoporous SiO 2 NPs [3,10].…”
Section: Extraction and Characterization Of Sio 2 Npsmentioning
confidence: 99%