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Hydrothermal core-shell carbon nanoparticle films: thinning the shell leads to dramatic pH response.

Abstract:

Carbon nanoparticles with phenylsulfonate negative surface functionality (Emperor 2000, Cabot Corp.) are coated with positive chitosan followed by hydrothermal carbonization to give highly pH-responsive core-shell nanocarbon composite materials. With optimised core-shell ratio (resulting in an average shell thickness of ca. 4 nm, estimated from SANS data) modified electrodes exhibit highly pH-sensitive resistance, capacitance, and Faradaic electron transfer responses (solution based, covalent...

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Publication status:
Published

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Publisher copy:
10.1039/c2cp42659e

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Journal:
Physical chemistry chemical physics : PCCP
Volume:
14
Issue:
45
Pages:
15860-15865
Publication date:
2012-12-05
DOI:
EISSN:
1463-9084
ISSN:
1463-9076
URN:
uuid:fdab8681-ddf8-45bd-8a93-42cc34c81806
Source identifiers:
364385
Local pid:
pubs:364385

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