Decoration of Inorganic Nanostructures by Metallic Nanoparticles to Induce Fluorescence, Enhance Solubility, and Tune Band Gap

Priyadarshi Ranjan; Sreejith Shankar; Ronit Popovitz-Biro; Sidney R. Cohen; Ifat Kaplan-Ashiri; Tali Dadosh; Linda J. W. Shimon; Bojana Visic; Reshef Tenne; Michal Lahav; Milko E. van der Boom

doi:10.1021/acs.jpcc.8b00510

Decoration of Inorganic Nanostructures by Metallic Nanoparticles to Induce Fluorescence, Enhance Solubility, and Tune Band Gap

Priyadarshi Ranjan, Sreejith Shankar, Ronit Popovitz-Biro, Sidney R. Cohen, Ifat Kaplan-Ashiri, Tali Dadosh, Linda J. W. Shimon, Bojana Visic, Reshef Tenne^*, Michal Lahav, Milko E. van der Boom

^*Corresponding author for this work

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

9 Citations (Scopus)

Abstract

We report here a unique and efficient methodology for the surface functionalization of closed-cage inorganic fullerene-like (IF) nanoparticles and inorganic nanotubes (INTs) composed of two-dimensional nanomaterials of transition-metal chalcogenides (MS ₂; M = W or Mo). The first step is the physical coverage of these robust inorganic materials with monodispersed and dense monolayers of gold, silver, and palladium nanoparticles. The structural continuity at the interface between the IF/INT and the metallic nanoparticles is investigated. Lattice matching between these nanocrystalline materials and strong chemical affinity lead to efficient binding of the metallic nanoparticles onto the outer sulfide layer of the MS ₂-based structures. It is shown that this functionalization results in narrowing of the IF/INT optical band gap, increased work function, and improved surface-enhanced Raman scattering. In the second step, functionalization of the surface-bound nanoparticles is carried out by a ligand-exchange reaction. This ligand exchange involving the tetraoctylammonium bromide capping layer and an alkyl thiol enhances the solubility (∼10×) of the otherwise nearly insoluble materials in organic solvents. The scope of this method is further demonstrated by introducing a ruthenium(II) polypyridyl complex on the surface of the surface-bound AuNPs to generate fluorescent multicomponent materials.

Original language	English
Pages (from-to)	6748-6759
Number of pages	12
Journal	Journal of Physical Chemistry C
Volume	122
Issue number	12
DOIs	https://doi.org/10.1021/acs.jpcc.8b00510
Publication status	Published - 29 Mar 2018

Funding

We are grateful to Dr. R. Rosentsveig for providing the IFMoS2 nanoparticles for this work and to Dr L. Avram-Biton for the NMR measurements. We thank the Irving and Cherna Moskowitz Center for Nano and Bio-Nano Imaging grant no. 7208214, and the Perlman Family Foundation; the Israel Science Foundation grant no. 265/12, the Kimmel Center for Nanoscale Science grant no. 43535000350000, the GermanIsraeli Foundation (GIF) grant no. 712053, the Irving and Azelle Waltcher Foundations in honor of Prof. M. Levy grant no. 720821, the EU project ITN-“MoWSeS” grant no. 317451, and the G.M.J. Schmidt Minerva Center for Supramolecular Chemistry grant no. 434000340000. Author Contributions The manuscript was written through contributions of all authors. All authors have given approval to the final version of the manuscript.

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
General Energy
Physical and Theoretical Chemistry
Surfaces, Coatings and Films

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Ranjan, P., Shankar, S., Popovitz-Biro, R., Cohen, S. R., Kaplan-Ashiri, I., Dadosh, T., Shimon, L. J. W., Visic, B., Tenne, R., Lahav, M., & van der Boom, M. E. (2018). Decoration of Inorganic Nanostructures by Metallic Nanoparticles to Induce Fluorescence, Enhance Solubility, and Tune Band Gap. Journal of Physical Chemistry C, 122(12), 6748-6759. https://doi.org/10.1021/acs.jpcc.8b00510

@article{9527b92d69c946c4b7f38ba336e4747b,

title = "Decoration of Inorganic Nanostructures by Metallic Nanoparticles to Induce Fluorescence, Enhance Solubility, and Tune Band Gap",

abstract = "We report here a unique and efficient methodology for the surface functionalization of closed-cage inorganic fullerene-like (IF) nanoparticles and inorganic nanotubes (INTs) composed of two-dimensional nanomaterials of transition-metal chalcogenides (MS 2; M = W or Mo). The first step is the physical coverage of these robust inorganic materials with monodispersed and dense monolayers of gold, silver, and palladium nanoparticles. The structural continuity at the interface between the IF/INT and the metallic nanoparticles is investigated. Lattice matching between these nanocrystalline materials and strong chemical affinity lead to efficient binding of the metallic nanoparticles onto the outer sulfide layer of the MS 2-based structures. It is shown that this functionalization results in narrowing of the IF/INT optical band gap, increased work function, and improved surface-enhanced Raman scattering. In the second step, functionalization of the surface-bound nanoparticles is carried out by a ligand-exchange reaction. This ligand exchange involving the tetraoctylammonium bromide capping layer and an alkyl thiol enhances the solubility (∼10×) of the otherwise nearly insoluble materials in organic solvents. The scope of this method is further demonstrated by introducing a ruthenium(II) polypyridyl complex on the surface of the surface-bound AuNPs to generate fluorescent multicomponent materials. ",

author = "Priyadarshi Ranjan and Sreejith Shankar and Ronit Popovitz-Biro and Cohen, {Sidney R.} and Ifat Kaplan-Ashiri and Tali Dadosh and Shimon, {Linda J. W.} and Bojana Visic and Reshef Tenne and Michal Lahav and {van der Boom}, {Milko E.}",

year = "2018",

month = mar,

day = "29",

doi = "10.1021/acs.jpcc.8b00510",

language = "English",

volume = "122",

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journal = "Journal of Physical Chemistry C",

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Ranjan, P, Shankar, S, Popovitz-Biro, R, Cohen, SR , Kaplan-Ashiri, I , Dadosh, T , Shimon, LJW, Visic, B, Tenne, R , Lahav, M & van der Boom, ME 2018, 'Decoration of Inorganic Nanostructures by Metallic Nanoparticles to Induce Fluorescence, Enhance Solubility, and Tune Band Gap', Journal of Physical Chemistry C, vol. 122, no. 12, pp. 6748-6759. https://doi.org/10.1021/acs.jpcc.8b00510

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T1 - Decoration of Inorganic Nanostructures by Metallic Nanoparticles to Induce Fluorescence, Enhance Solubility, and Tune Band Gap

AU - Ranjan, Priyadarshi

AU - Shankar, Sreejith

AU - Popovitz-Biro, Ronit

AU - Cohen, Sidney R.

AU - Kaplan-Ashiri, Ifat

AU - Dadosh, Tali

AU - Shimon, Linda J. W.

AU - Visic, Bojana

AU - Tenne, Reshef

AU - Lahav, Michal

AU - van der Boom, Milko E.

PY - 2018/3/29

Y1 - 2018/3/29

N2 - We report here a unique and efficient methodology for the surface functionalization of closed-cage inorganic fullerene-like (IF) nanoparticles and inorganic nanotubes (INTs) composed of two-dimensional nanomaterials of transition-metal chalcogenides (MS 2; M = W or Mo). The first step is the physical coverage of these robust inorganic materials with monodispersed and dense monolayers of gold, silver, and palladium nanoparticles. The structural continuity at the interface between the IF/INT and the metallic nanoparticles is investigated. Lattice matching between these nanocrystalline materials and strong chemical affinity lead to efficient binding of the metallic nanoparticles onto the outer sulfide layer of the MS 2-based structures. It is shown that this functionalization results in narrowing of the IF/INT optical band gap, increased work function, and improved surface-enhanced Raman scattering. In the second step, functionalization of the surface-bound nanoparticles is carried out by a ligand-exchange reaction. This ligand exchange involving the tetraoctylammonium bromide capping layer and an alkyl thiol enhances the solubility (∼10×) of the otherwise nearly insoluble materials in organic solvents. The scope of this method is further demonstrated by introducing a ruthenium(II) polypyridyl complex on the surface of the surface-bound AuNPs to generate fluorescent multicomponent materials.

AB - We report here a unique and efficient methodology for the surface functionalization of closed-cage inorganic fullerene-like (IF) nanoparticles and inorganic nanotubes (INTs) composed of two-dimensional nanomaterials of transition-metal chalcogenides (MS 2; M = W or Mo). The first step is the physical coverage of these robust inorganic materials with monodispersed and dense monolayers of gold, silver, and palladium nanoparticles. The structural continuity at the interface between the IF/INT and the metallic nanoparticles is investigated. Lattice matching between these nanocrystalline materials and strong chemical affinity lead to efficient binding of the metallic nanoparticles onto the outer sulfide layer of the MS 2-based structures. It is shown that this functionalization results in narrowing of the IF/INT optical band gap, increased work function, and improved surface-enhanced Raman scattering. In the second step, functionalization of the surface-bound nanoparticles is carried out by a ligand-exchange reaction. This ligand exchange involving the tetraoctylammonium bromide capping layer and an alkyl thiol enhances the solubility (∼10×) of the otherwise nearly insoluble materials in organic solvents. The scope of this method is further demonstrated by introducing a ruthenium(II) polypyridyl complex on the surface of the surface-bound AuNPs to generate fluorescent multicomponent materials.

U2 - 10.1021/acs.jpcc.8b00510

DO - 10.1021/acs.jpcc.8b00510

M3 - Article

SN - 1932-7447

VL - 122

SP - 6748

EP - 6759

JO - Journal of Physical Chemistry C

JF - Journal of Physical Chemistry C

IS - 12

ER -

Decoration of Inorganic Nanostructures by Metallic Nanoparticles to Induce Fluorescence, Enhance Solubility, and Tune Band Gap

Abstract

Funding

All Science Journal Classification (ASJC) codes

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