Morphology-controllable synthesis of carbon nanomaterials directly on Al2O3 substrates, and their photoluminescence. Issue 109 (21st October 2015)

• Record Type: Journal Article
• Authors: Qi, Xiaosi; Hu, Qi; Xu, Jianle; Xie, Ren; Jiang, Yang; Zhong, Wei; Du, Youwei
• Is Part Of: RSC advances. Volume 5:Issue 109(2015)
• Page Start: 89900
• Page End: 89905
• Publication Date: 2015-10-21
• Subjects: Chemistry -- Periodicals; 540.5
• DOI: 10.1039/c5ra14782d
• Languages: English
• ISSNs: 2046-2069

Abstract

Abstract : In the article, we report a simple route for the synthesis of carbon nanocoils and chain-like carbon nanospheres directly over Al2 O3 substrate. The PL studies indicate that the obtained samples show different optical properties. Abstract : By controlling the growth temperature, different categories of carbon nanomaterials (CNMs) such as carbon nanocoils (CNCs) and chain-like carbon nanospheres (CNSs) can be synthesized directly over Al2 O3 substrate without using any transition-metal catalysts. It is proposed that the Al2 O3 particles play a key role in the CNM growth, and the reaction temperature has a great impact on the morphology of the obtained CNMs. Furthermore, the photoluminescence studies indicate that the obtained CNCs and chain-like CNSs show different optical properties, which suggest that the optical properties of the obtained CNMs may be tuned by controlling their structures.