PH triggered reversible photoinduced electron transfer to and from carbon nanoparticles

Somen Mondal; Manjunath Chatti; Arabinda Mallick; Pradipta Purkayastha

doi:10.1039/c4cc01669f

PH triggered reversible photoinduced electron transfer to and from carbon nanoparticles

Somen Mondal
, Manjunath Chatti
, Arabinda Mallick
, Pradipta Purkayastha

Research output: Contribution to journal › Article › Research › peer-review

33 Citations (Scopus)

Abstract

Dopamine functionalized carbon nanoparticles (CNPs) that can act as efficient photoinduced electron donor-acceptor systems depending on the pH of the medium have been synthesized. In acidic media, dopamine on CNPs exists as hydroquinone and serves as an electron donor while under alkaline conditions the corresponding quinone form of dopamine serves as a strong electron acceptor. Application of external NADH to the system can invert the donor-acceptor roles under alkaline conditions.

Original language	English
Pages (from-to)	6890-6893
Number of pages	4
Journal	Chemical Communications
Volume	50
Issue number	52
DOIs	https://doi.org/10.1039/c4cc01669f
Publication status	Published - 4 Jul 2014
Externally published	Yes

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abstract = "Dopamine functionalized carbon nanoparticles (CNPs) that can act as efficient photoinduced electron donor-acceptor systems depending on the pH of the medium have been synthesized. In acidic media, dopamine on CNPs exists as hydroquinone and serves as an electron donor while under alkaline conditions the corresponding quinone form of dopamine serves as a strong electron acceptor. Application of external NADH to the system can invert the donor-acceptor roles under alkaline conditions.",

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AU - Chatti, Manjunath

AU - Mallick, Arabinda

AU - Purkayastha, Pradipta

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AB - Dopamine functionalized carbon nanoparticles (CNPs) that can act as efficient photoinduced electron donor-acceptor systems depending on the pH of the medium have been synthesized. In acidic media, dopamine on CNPs exists as hydroquinone and serves as an electron donor while under alkaline conditions the corresponding quinone form of dopamine serves as a strong electron acceptor. Application of external NADH to the system can invert the donor-acceptor roles under alkaline conditions.

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PH triggered reversible photoinduced electron transfer to and from carbon nanoparticles

Abstract

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