Phosphonic acid anchored tripodal molecular films on indium tin oxide

Zhang, Chaoran; Das, Saunak; Sakurai, Naoya; Imaizumi, Takaki; Sanjayan, Sajisha; Shoji, Yoshiaki; Fukushima, Takanori; Zharnikov, Michael

doi:10.1039/d4cp00892h

Phys. Chem. Chem. Phys.

2024

DOI: 10.1039/d4cp00892h

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Phosphonic acid anchored tripodal molecular films on indium tin oxide

Chaoran Zhang,

Saunak Das,

Naoya Sakurai

et al.

Abstract: Whereas monopodal self-assembling monolayers (SAMs) are most frequently used for surface and interface engineering, tripodal SAMs are less popular due to the difficulty in achieving reliable and homogeneous bonding configuration....

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Cited by 2 publications

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Fluorescence Detection of Tetraphenylporphyrin Isolated on the Au(111) Electrode Enabled by Tripodal Molecules

Kobayashi,

Yokota,

Shoji

et al. 2024

J. Phys. Chem. C

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Fluorescence of molecules on metal substrates has attracted much attention because of its relevance to various optical devices, such as light-emitting diodes, sensors, and solar cells. However, the fluorescence measurement near the metal substrates is challenging due to the rapid quenching of the excited state of the molecules. In this study, fluorescence of tetraphenylporphyrin (TPP) on Au(111) substrates was successfully measured by fabricating a mixed self-assembled monolayer (SAM) of the tripodal molecules with and without TPP dye. The rigid tripodal molecules suppressed quenching, prevented structural changes, and reduced interactions between TPP moieties. These features made it possible to measure the fluorescence of TPP molecules isolated and dispersed on Au(111) in a uniform and well-defined structure. Through excitation spectra acquired by sweeping the excitation wavelength, information about TPP absorption was also obtained. In addition, these measurements were possible under potential control in an electrochemical environment due to the stability of the SAMs. Thus, we demonstrated that the system based on tripodal molecules can serve as a platform for measuring the fluorescence and absorption of molecules on metal substrates in the atmospheric and electrochemical environments in which various optical devices operate.

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Fluorescence Detection of Tetraphenylporphyrin Isolated on the Au(111) Electrode Enabled by Tripodal Molecules

Kobayashi,

Yokota,

Shoji

et al. 2024

J. Phys. Chem. C

View full text Add to dashboard Cite

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Benzylphosphonic acid treated ultra-thin ALD-InO_x for long term device stability

Lee,

Moon,

Kim

et al. 2024

J. Mater. Chem. C

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Phosphonic acid anchored tripodal molecular films on indium tin oxide

Abstract: Whereas monopodal self-assembling monolayers (SAMs) are most frequently used for surface and interface engineering, tripodal SAMs are less popular due to the difficulty in achieving reliable and homogeneous bonding configuration....

Cited by 2 publications

References 73 publications

Fluorescence Detection of Tetraphenylporphyrin Isolated on the Au(111) Electrode Enabled by Tripodal Molecules

Fluorescence Detection of Tetraphenylporphyrin Isolated on the Au(111) Electrode Enabled by Tripodal Molecules

Benzylphosphonic acid treated ultra-thin ALD-InO_x for long term device stability

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Phosphonic acid anchored tripodal molecular films on indium tin oxide

Abstract: Whereas monopodal self-assembling monolayers (SAMs) are most frequently used for surface and interface engineering, tripodal SAMs are less popular due to the difficulty in achieving reliable and homogeneous bonding configuration....

Cited by 2 publications

References 73 publications

Fluorescence Detection of Tetraphenylporphyrin Isolated on the Au(111) Electrode Enabled by Tripodal Molecules

Fluorescence Detection of Tetraphenylporphyrin Isolated on the Au(111) Electrode Enabled by Tripodal Molecules

Benzylphosphonic acid treated ultra-thin ALD-InOx for long term device stability

Contact Info

Product

Resources

About

Benzylphosphonic acid treated ultra-thin ALD-InO_x for long term device stability