A nanoscale bio-inspired light-harvesting system developed from self-assembled alkyl-functionalized metallochlorin nano-aggregates

Kasim Ocakoǧlu; Khurram Saleem Joya; Ersan Harputlu; Anna Tarnowska; Daniel T. Gryko

doi:10.1039/c4nr01661k

A nanoscale bio-inspired light-harvesting system developed from self-assembled alkyl-functionalized metallochlorin nano-aggregates

Kasim Ocakoǧlu, Khurram Saleem Joya, Ersan Harputlu, Anna Tarnowska, Daniel T. Gryko

Physical Sciences and Engineering

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

24 Scopus citations

Abstract

Self-assembled supramolecular organization of nano-structured biomimetic light-harvesting modules inside solid-state nano-templates can be exploited to develop excellent light-harvesting materials for artificial photosynthetic devices. We present here a hybrid light-harvesting system mimicking the chlorosomal structures of the natural photosynthetic system using synthetic zinc chlorin units (ZnChl-C6, ZnChl-C12 and ZnChl-C 18) that are self-aggregated inside the anodic aluminum oxide (AAO) nano-channel membranes. AAO nano-templates were modified with a TiO2 matrix and functionalized with long hydrophobic chains to facilitate the formation of supramolecular Zn-chlorin aggregates. The transparent Zn-chlorin nano-aggregates inside the alkyl-TiO2 modified AAO nano-channels have a diameter of ∼120 nm in a 60 μm length channel. UV-Vis studies and fluorescence emission spectra further confirm the formation of the supramolecular ZnChl aggregates from monomer molecules inside the alkyl-functionalized nano-channels. Our results prove that the novel and unique method can be used to produce efficient and stable light-harvesting assemblies for effective solar energy capture through transparent and stable nano-channel ceramic materials modified with bio-mimetic molecular self-assembled nano-aggregates. © 2014 the Partner Organisations.

Original language	English (US)
Pages (from-to)	9625-9631
Number of pages	7
Journal	Nanoscale
Volume	6
Issue number	16
DOIs	https://doi.org/10.1039/c4nr01661k
State	Published - 2014

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledgements: This research has been financially supported by the Scientific and Technological Research Council of Turkey, TUBITAK (Grant: 110M803) and the Polish National Science Center (844/N-ESF-EuroSolarFuels/10/2011/0) in the framework of European Science Foundation (ESF-EUROCORES-EuroSolarFuels-10-FP-006). K. S. Joya acknowledges the Higher Education Commission (HEC), Government of Pakistan, for funding. We are thankful to Prof. Huub de Groot (Leiden University) and Prof. Alfred Holzwarth (Max-Planck Institute, Mulheim, Germany) for the useful discussion.

ASJC Scopus subject areas

General Materials Science

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title = "A nanoscale bio-inspired light-harvesting system developed from self-assembled alkyl-functionalized metallochlorin nano-aggregates",

abstract = "Self-assembled supramolecular organization of nano-structured biomimetic light-harvesting modules inside solid-state nano-templates can be exploited to develop excellent light-harvesting materials for artificial photosynthetic devices. We present here a hybrid light-harvesting system mimicking the chlorosomal structures of the natural photosynthetic system using synthetic zinc chlorin units (ZnChl-C6, ZnChl-C12 and ZnChl-C 18) that are self-aggregated inside the anodic aluminum oxide (AAO) nano-channel membranes. AAO nano-templates were modified with a TiO2 matrix and functionalized with long hydrophobic chains to facilitate the formation of supramolecular Zn-chlorin aggregates. The transparent Zn-chlorin nano-aggregates inside the alkyl-TiO2 modified AAO nano-channels have a diameter of ∼120 nm in a 60 μm length channel. UV-Vis studies and fluorescence emission spectra further confirm the formation of the supramolecular ZnChl aggregates from monomer molecules inside the alkyl-functionalized nano-channels. Our results prove that the novel and unique method can be used to produce efficient and stable light-harvesting assemblies for effective solar energy capture through transparent and stable nano-channel ceramic materials modified with bio-mimetic molecular self-assembled nano-aggregates. {\textcopyright} 2014 the Partner Organisations.",

author = "Kasim Ocakoǧlu and Joya, {Khurram Saleem} and Ersan Harputlu and Anna Tarnowska and Gryko, {Daniel T.}",

note = "KAUST Repository Item: Exported on 2020-10-01 Acknowledgements: This research has been financially supported by the Scientific and Technological Research Council of Turkey, TUBITAK (Grant: 110M803) and the Polish National Science Center (844/N-ESF-EuroSolarFuels/10/2011/0) in the framework of European Science Foundation (ESF-EUROCORES-EuroSolarFuels-10-FP-006). K. S. Joya acknowledges the Higher Education Commission (HEC), Government of Pakistan, for funding. We are thankful to Prof. Huub de Groot (Leiden University) and Prof. Alfred Holzwarth (Max-Planck Institute, Mulheim, Germany) for the useful discussion.",

year = "2014",

doi = "10.1039/c4nr01661k",

language = "English (US)",

volume = "6",

pages = "9625--9631",

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AU - Ocakoǧlu, Kasim

AU - Joya, Khurram Saleem

AU - Harputlu, Ersan

AU - Tarnowska, Anna

AU - Gryko, Daniel T.

N1 - KAUST Repository Item: Exported on 2020-10-01 Acknowledgements: This research has been financially supported by the Scientific and Technological Research Council of Turkey, TUBITAK (Grant: 110M803) and the Polish National Science Center (844/N-ESF-EuroSolarFuels/10/2011/0) in the framework of European Science Foundation (ESF-EUROCORES-EuroSolarFuels-10-FP-006). K. S. Joya acknowledges the Higher Education Commission (HEC), Government of Pakistan, for funding. We are thankful to Prof. Huub de Groot (Leiden University) and Prof. Alfred Holzwarth (Max-Planck Institute, Mulheim, Germany) for the useful discussion.

PY - 2014

Y1 - 2014

N2 - Self-assembled supramolecular organization of nano-structured biomimetic light-harvesting modules inside solid-state nano-templates can be exploited to develop excellent light-harvesting materials for artificial photosynthetic devices. We present here a hybrid light-harvesting system mimicking the chlorosomal structures of the natural photosynthetic system using synthetic zinc chlorin units (ZnChl-C6, ZnChl-C12 and ZnChl-C 18) that are self-aggregated inside the anodic aluminum oxide (AAO) nano-channel membranes. AAO nano-templates were modified with a TiO2 matrix and functionalized with long hydrophobic chains to facilitate the formation of supramolecular Zn-chlorin aggregates. The transparent Zn-chlorin nano-aggregates inside the alkyl-TiO2 modified AAO nano-channels have a diameter of ∼120 nm in a 60 μm length channel. UV-Vis studies and fluorescence emission spectra further confirm the formation of the supramolecular ZnChl aggregates from monomer molecules inside the alkyl-functionalized nano-channels. Our results prove that the novel and unique method can be used to produce efficient and stable light-harvesting assemblies for effective solar energy capture through transparent and stable nano-channel ceramic materials modified with bio-mimetic molecular self-assembled nano-aggregates. © 2014 the Partner Organisations.

AB - Self-assembled supramolecular organization of nano-structured biomimetic light-harvesting modules inside solid-state nano-templates can be exploited to develop excellent light-harvesting materials for artificial photosynthetic devices. We present here a hybrid light-harvesting system mimicking the chlorosomal structures of the natural photosynthetic system using synthetic zinc chlorin units (ZnChl-C6, ZnChl-C12 and ZnChl-C 18) that are self-aggregated inside the anodic aluminum oxide (AAO) nano-channel membranes. AAO nano-templates were modified with a TiO2 matrix and functionalized with long hydrophobic chains to facilitate the formation of supramolecular Zn-chlorin aggregates. The transparent Zn-chlorin nano-aggregates inside the alkyl-TiO2 modified AAO nano-channels have a diameter of ∼120 nm in a 60 μm length channel. UV-Vis studies and fluorescence emission spectra further confirm the formation of the supramolecular ZnChl aggregates from monomer molecules inside the alkyl-functionalized nano-channels. Our results prove that the novel and unique method can be used to produce efficient and stable light-harvesting assemblies for effective solar energy capture through transparent and stable nano-channel ceramic materials modified with bio-mimetic molecular self-assembled nano-aggregates. © 2014 the Partner Organisations.

UR - http://hdl.handle.net/10754/563226

UR - http://xlink.rsc.org/?DOI=C4NR01661K

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U2 - 10.1039/c4nr01661k

DO - 10.1039/c4nr01661k

M3 - Article

SN - 2040-3364

VL - 6

SP - 9625

EP - 9631

JO - Nanoscale

JF - Nanoscale

IS - 16

ER -

A nanoscale bio-inspired light-harvesting system developed from self-assembled alkyl-functionalized metallochlorin nano-aggregates

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