A photosynthetic reaction center covalently bound to carbon nanotubes

Itai Carmeli; Markus Mangold; Ludmila Frolov; Bernd Zebli; Chanoch Carmeli; Shachar Richter; Alexander W. Holleitner

doi:10.1002/adma.200700536

A photosynthetic reaction center covalently bound to carbon nanotubes

Itai Carmeli^*, Markus Mangold, Ludmila Frolov, Bernd Zebli, Chanoch Carmeli, Shachar Richter, Alexander W. Holleitner

^*Corresponding author for this work

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

54 Scopus citations

Abstract

Photosystem I (PS I) reaction center, a chlorophyll protein complex located in the thylakoid membranes of chloroplasts and cyanobacteria, was covalently coupled to Carbon-nanotubes (CNT) through certain chemical reactions. The hybrid systems were characterized by atomic force microscopy (AFM) and UV-VIS spectroscopy, which indicated a high degree of conjugation between the PS I and the CNTs. The photoconductivity of CNTs was measured for ensembles of CNTs and for individual single-wall CNTs, which demonstrated the application of CNTs as photodetectors and infrared-light emitters. The various architectures of CNTs-PS I hybrids showed the potential to be applied as building blocks for molecular optoelectronic circuits.

Original language	English
Pages (from-to)	3901-3905
Number of pages	5
Journal	Advanced Materials
Volume	19
Issue number	22
DOIs	https://doi.org/10.1002/adma.200700536
State	Published - 19 Nov 2007

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abstract = "Photosystem I (PS I) reaction center, a chlorophyll protein complex located in the thylakoid membranes of chloroplasts and cyanobacteria, was covalently coupled to Carbon-nanotubes (CNT) through certain chemical reactions. The hybrid systems were characterized by atomic force microscopy (AFM) and UV-VIS spectroscopy, which indicated a high degree of conjugation between the PS I and the CNTs. The photoconductivity of CNTs was measured for ensembles of CNTs and for individual single-wall CNTs, which demonstrated the application of CNTs as photodetectors and infrared-light emitters. The various architectures of CNTs-PS I hybrids showed the potential to be applied as building blocks for molecular optoelectronic circuits.",

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AU - Carmeli, Itai

AU - Mangold, Markus

AU - Frolov, Ludmila

AU - Zebli, Bernd

AU - Carmeli, Chanoch

AU - Richter, Shachar

AU - Holleitner, Alexander W.

PY - 2007/11/19

Y1 - 2007/11/19

N2 - Photosystem I (PS I) reaction center, a chlorophyll protein complex located in the thylakoid membranes of chloroplasts and cyanobacteria, was covalently coupled to Carbon-nanotubes (CNT) through certain chemical reactions. The hybrid systems were characterized by atomic force microscopy (AFM) and UV-VIS spectroscopy, which indicated a high degree of conjugation between the PS I and the CNTs. The photoconductivity of CNTs was measured for ensembles of CNTs and for individual single-wall CNTs, which demonstrated the application of CNTs as photodetectors and infrared-light emitters. The various architectures of CNTs-PS I hybrids showed the potential to be applied as building blocks for molecular optoelectronic circuits.

AB - Photosystem I (PS I) reaction center, a chlorophyll protein complex located in the thylakoid membranes of chloroplasts and cyanobacteria, was covalently coupled to Carbon-nanotubes (CNT) through certain chemical reactions. The hybrid systems were characterized by atomic force microscopy (AFM) and UV-VIS spectroscopy, which indicated a high degree of conjugation between the PS I and the CNTs. The photoconductivity of CNTs was measured for ensembles of CNTs and for individual single-wall CNTs, which demonstrated the application of CNTs as photodetectors and infrared-light emitters. The various architectures of CNTs-PS I hybrids showed the potential to be applied as building blocks for molecular optoelectronic circuits.

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A photosynthetic reaction center covalently bound to carbon nanotubes

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