Issue 31, 2015

Catalyst-free synthesis of carbon nanospheres for potential biomedical applications: waste to wealth approach

Abstract

A single step and simple pyrolysis technique is used to prepare carbon nanospheres (CNSs) from natural biowaste sago hampas in a nitrogen atmosphere without any catalyst. Scanning electron microscope (SEM) images along with transmission electron microscope (TEM) images show evidence of high quality CNSs with a good particle size uniformity. Both X-ray diffraction (XRD) and Raman data show the presence of graphitic characteristic peaks of CNSs. Zeta-potential study reveals that the obtained CNSs can be well dispersed in solution making them suitable for cell imaging applications. The use of biowaste sago hampas is very important from the viewpoint of sustainable synthesis of functional CNSs for the future.

Graphical abstract: Catalyst-free synthesis of carbon nanospheres for potential biomedical applications: waste to wealth approach

Supplementary files

Article information

Article type
Paper
Submitted
17 Nov 2014
Accepted
24 Feb 2015
First published
24 Feb 2015

RSC Adv., 2015,5, 24528-24533

Catalyst-free synthesis of carbon nanospheres for potential biomedical applications: waste to wealth approach

S. A. A. Manaf, P. Roy, K. V. Sharma, Z. Ngaini, V. Malgras, A. Aldalbahi, S. M. Alshehri, Y. Yamauchi and G. Hegde, RSC Adv., 2015, 5, 24528 DOI: 10.1039/C4RA14693J

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