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Back cover

Journal of Materials Chemistry C Vol - 3 Issue - 9

Journal of Materials Chemistry C Vol - 3 Issue - 8

Journal of Materials Chemistry C Vol - 3 Issue - 7

Journal of Materials Chemistry C Vol - 3 Issue - 6

Journal of Materials Chemistry C Vol - 3 Issue - 5

Journal of Materials Chemistry C Vol -2

Journal of Materials Chemistry C Vol -1

Covalent decoration onto the outer walls of double walled carbon nanotubes with perylenediimides

Content Provider	Royal Society of Chemistry (RSC)
Author	Zhang, Minfang Barrejón, Myriam Martín-Gomis, Luis Fierro, José Luis G. Gobeze, Habtom B. Pla, Sara D’Souza, Francis Sastre-Santos, Ángela Langa, Fernando Gómez-Escalonilla, María J. Berlanga, Isadora Iijima, Sumio Yudasaka, Masako
Copyright Year	2015
Abstract	The outer walls of double walled carbon nanotubes (DWCNTs) have been selectively functionalized with different substituted perylenediimides (PDIs) leaving the inner walls intact. The spacer connecting DWCNTs and PDIs, and the PDI macrocycle position has been varied to visualize the DWCNT–PDI interactions in the hybrids. Evidence of outer wall functionalization and the degree of PDI substitution on DWCNTs were arrived from HR-TEM, AFM, FTIR, TGA, XPS and Raman techniques while nanotube–photosentisizer interactions were probed from studies involving optical absorbance and emission, and electrochemical techniques. Fine-tuning of the electronic states of PDIs in the hybrids was possible with the present covalent approach. The fluorescence of PDIs in the hybrids was found to be quenched (60–70%) due to interactions with DWCNTs. Further, femtosecond transient absorption and photocatalytic electron pooling studies were performed to seek evidence of charge separation in these hybrids. In agreement with earlier studies, evidence of charge separation from the transient studies was bleak, and accordingly, yields of photocatalytic electron pooling were much lower than those reported earlier for fullerene and single walled carbon nanotube based hybrids. The present study is suggestive of further tuning of donor–acceptor energy levels in DWCNT derived hybrids for efficient charge separation and stabilization.
Starting Page	4960
Ending Page	4969
Page Count	10
File Format	HTM / HTML PDF
ISSN	20507526
Volume Number	3
Issue Number	19
Journal	Journal of Materials Chemistry C
DOI	10.1039/c5tc00425j
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	PDI Raman Carbon nanotube Macrocycle Electrochemistry Covalent bond Fluorescence Femtosecond Fullerene
Content Type	Text
Resource Type	Article
Subject	Chemistry Materials Chemistry

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