Synthesis of porphyrinoids with silane anchors and their covalent self-assembling and metallation on solid surface

Sariola-Leikas, Essi; Hietala, Matti; Veselov, A. A.; Okhotnikov, Oleg G.; Semjonov, S. L.; Tkachenko, Nikolai V.; Lemmetyinen, Helge; Efimov, Alexander

doi:10.1016/j.jcis.2011.12.044

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Cited by 6 publications

(1 citation statement)

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“…SAMs of porphyrin derivatives were deposited using carboxylic acid and triethoxysilane anchors [3,4]. Semiconductors were hydrothermally grown arrays of ZnO nanorods and films of TiO2 nanoparticles.…”

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confidence: 99%

(Invited) Self-Assembled Monolayers of Porphyrin Derivatives on Semiconductor Surfaces: Photoindued Reactions at the Interface

Tkachenko¹,

Saarenpää²,

Sariola-Leikas³

et al. 2013

Meet. Abstr.

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confidence: 99%

(Invited) Self-Assembled Monolayers of Porphyrin Derivatives on Semiconductor Surfaces: Photoindued Reactions at the Interface

Tkachenko¹,

Saarenpää²,

Sariola-Leikas³

et al. 2013

Meet. Abstr.

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Synthetic Routes to Unsymmetrical Porphyrins

Nardis

2013

Topics in Heterocyclic Chemistry

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Self-Assembled Porphyrins on Modified Zinc Oxide Nanorods: Development of Model Systems for Inorganic–Organic Semiconductor Interface Studies

Saarenpää¹,

Sariola-Leikas²,

Perros

et al. 2012

J. Phys. Chem. C

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Dense arrays of zinc oxide nanorods with high specific surface areas were grown by hydrothermal method and functionalized by self-assembled monolayer (SAM) of porphyrins. The growth process was optimized to obtain dense arrays of nanorods with diameter of 60–80 nm and length up to 1.5 μm. The increase in the effective surface area was monitored by comparing the absorbances of SAM deposited both on the flat and nanorod surfaces of ZnO. To alter further semiconductor-organic SAM interactions, a 2 or 5 nm thick layer of either Al2O3 or TiO2 was deposited on the ZnO nanorods. The present results show that both carboxylic acid and triethoxysilane anchors can be used to form porphyrin SAMs on the studied metal oxide substrates, and the electronic interactions between the metal oxide and porphyrin SAM are strongly modified by a thin layer of Al2O3 or TiO2. These hybrid semiconductor-organic SAM constructions present promising model systems for advanced spectroscopy studies of semiconductor-organic interfaces with high degree of control over electronic interactions and system morphology.

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Synthesis of porphyrinoids with silane anchors and their covalent self-assembling and metallation on solid surface

Cited by 6 publications

References 30 publications

(Invited) Self-Assembled Monolayers of Porphyrin Derivatives on Semiconductor Surfaces: Photoindued Reactions at the Interface

(Invited) Self-Assembled Monolayers of Porphyrin Derivatives on Semiconductor Surfaces: Photoindued Reactions at the Interface

Synthetic Routes to Unsymmetrical Porphyrins

Self-Assembled Porphyrins on Modified Zinc Oxide Nanorods: Development of Model Systems for Inorganic–Organic Semiconductor Interface Studies

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