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Arellano LM, Gobeze HB, Gómez-Escalonilla MJ, Fierro JLG, D'Souza F, Langa F. Triplet photosensitizer-nanotube conjugates: synthesis, characterization and photochemistry of charge stabilizing, palladium porphyrin/carbon nanotube conjugates. NANOSCALE 2020; 12:9890-9898. [PMID: 32347282 DOI: 10.1039/d0nr02136a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The ability of a triplet photosensitizer to generate long-lived charge separated states, in contrast to traditionally used singlet photosensitizers, in covalently functionalized single-walled carbon nanotube hybrids has been investigated. Enriched single-walled carbon nanotubes with two diameters, namely (6,5) and (7,6), were covalently modified to carry a charge-stabilizing triplet photosensitizer derived from a palladium porphyrin. The nanohybrids were fully characterized and the presence of intramolecular interactions between the porphyrin and nanotubes was established from various spectroscopic, imaging, electrochemical and thermochemical studies. Photoluminescence of palladium porphyrin was found to be quantitatively quenched in the presence of covalently appended SWCNTs and this quenching is due to excited state charge separation and has been established by femtosecond transient absorption studies. Owing to the presence of the triplet photosensitizer, the charge separated states lasted over 3 ns, i.e., much longer than those reported earlier for singlet photosensitizer-derived nanotube hybrids. The nanohybrids also exhibited efficient photocatalytic behavior in experiments involving electron pooling of one-electron reduced methyl viologen in the presence of a sacrificial electron donor. Higher yields of photoproducts were achieved from the present donor-acceptor nanohybrids when compared with those of singlet photosensitizer-derived nanohybrids, more so for (6,5) nanotube derived hybrids compared to (7,6) nanotube derived hybrids. The present findings highlight the importance of triplet photosensitizer derived nanohybrids in artificial photosynthesis of charge separation and photocatalytic applicatons.
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Affiliation(s)
- Luis M Arellano
- Universidad de Castilla-La Mancha, Instituto de Nanociencia, Nanotecnología y Materiales Moleculares (INAMOL), 45071-Toledo, Spain.
| | - Habtom B Gobeze
- Chemistry and Materials Science and Engineering, University of North Texas, 76203-5017 Denton, TX, USA. Francis.D'
| | - María J Gómez-Escalonilla
- Universidad de Castilla-La Mancha, Instituto de Nanociencia, Nanotecnología y Materiales Moleculares (INAMOL), 45071-Toledo, Spain.
| | - José Luis G Fierro
- Instituto de Catálisis y Petroleoquímica, CSIC, Cantoblanco, 28049, Madrid, Spain.
| | - Francis D'Souza
- Chemistry and Materials Science and Engineering, University of North Texas, 76203-5017 Denton, TX, USA. Francis.D'
| | - Fernando Langa
- Universidad de Castilla-La Mancha, Instituto de Nanociencia, Nanotecnología y Materiales Moleculares (INAMOL), 45071-Toledo, Spain.
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2
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Münich PW, Pfäffli M, Volland M, Liu SX, Häner R, Guldi DM. Amphiphilic anthanthrene trimers that exfoliate graphite and individualize single wall carbon nanotubes. NANOSCALE 2020; 12:956-966. [PMID: 31840702 DOI: 10.1039/c9nr08062g] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
A phosphodiester-linked dialkynyl substituted anthanthrene trimer (1) has been designed and synthesized. Its graphene ribbon like structure is expected to facilitate interactions with nanographene (NG) and single wall carbon nanotubes (SWCNT) to yield novel and stable carbon-based nanomaterials. Interactions with trimer 1 lead to exfoliation of NG and to the individualization of SWCNTs. Phosphate groups, in general, and their negative charges, in particular, render the resulting nanomaterials soluble in ethanol, which is ecologically favourable over DMF required for the processing of pristine NG or SWCNTs. The newly formed nanomaterials were probed by complementary spectroscopic and microscopic techniques. Of particular importance were transient absorption and fluorescence excitation measurements, which revealed an efficient energy transfer within the carbon-based nanomaterials.
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Affiliation(s)
- Peter W Münich
- Department of Chemistry and Pharmacy and Interdisciplinary Center for Molecular Materials, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstr. 3, 91058 Erlangen, Germany.
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3
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Volland M, Zhou P, Wibmer L, Häner R, Decurtins S, Liu SX, Guldi DM. Nanographene favors electronic interactions with an electron acceptor rather than an electron donor in a planar fused push-pull conjugate. NANOSCALE 2019; 11:1437-1441. [PMID: 30608494 DOI: 10.1039/c8nr06961a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
A combination of a preexfoliated nanographene (NG) dispersion and fused electron donor-acceptor tetrathiafulvalene-perylenediimide (TTF-PDI) results in a noncovalent functionalization of NG. Such novel types of nanohybrids were characterized by complementary spectroscopic and microscopic techniques. The design strategy of the chromophoric and electroactive molecular conjugate renders a large and planar π-extended system with a distinct localization of electron-rich and electron-poor parts at either end of the molecular conjugate. Within the in situ formed nanohybrid, the conjugate was found to couple electronically with NG preferentially through the electron accepting PDI rather than the electron donating TTF and to form the one-electron reduced form of PDI, which corresponds to p-doping of graphene.
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Affiliation(s)
- Michel Volland
- Department of Chemistry and Pharmacy & Interdisciplinary Center for Molecular Materials (ICMM), Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstrasse 3, 91058 Erlangen, Germany.
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4
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Xiong W, Du L, Lo KC, Shi H, Takaya T, Iwata K, Chan WK, Phillips DL. Control of Electron Flow Direction in Photoexcited Cycloplatinated Complex Containing Conjugated Polymer-Single-Walled Carbon Nanotube Hybrids. J Phys Chem Lett 2018; 9:3819-3824. [PMID: 29940729 DOI: 10.1021/acs.jpclett.8b01713] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Conjugated polymers incorporated with cycloplatinated complexes (P1-Pt and P2-Pt) were used as dispersants for single-walled carbon nanotubes (SWCNTs). Significant changes in the UV-vis absorption spectra were observed after the formation of the polymer/SWCNT hybrids. Molecular dynamics (MD) simulations revealed the presence of a strong interaction between the cycloplatinated complex moieties and the SWCNT surface. The photoinduced electron transfer processes in these hybrids were strongly dependent on the type of the comonomer unit. Upon photoexcitation, the excited P1-Pt donates electrons to the SWCNT, while P2-Pt accepts electrons from the photoexcited SWCNT. These observations were supported by results from Raman and femtosecond time-resolved transient absorption spectroscopy experiments. The strong electronic interaction between the Pt complexes and the SWCNT gives rise to a new hybrid system that has a controllable photoinduced electron transfer flow, which are important in regulating the charge transport processes in SWCNT-based optoelectronic devices.
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Affiliation(s)
- Wenjuan Xiong
- Department of Chemistry , The University of Hong Kong , Pokfulam Road , Hong Kong , China
| | - Lili Du
- Department of Chemistry , The University of Hong Kong , Pokfulam Road , Hong Kong , China
| | - Kin Cheung Lo
- Department of Chemistry , The University of Hong Kong , Pokfulam Road , Hong Kong , China
| | - Haiting Shi
- Department of Chemistry , The University of Hong Kong , Pokfulam Road , Hong Kong , China
| | - Tomohisa Takaya
- Department of Chemistry, Faculty of Science , Gakushuin University , 1-5-1 Mejiro , Toshimaku, Tokyo 171-8588 , Japan
| | - Koichi Iwata
- Department of Chemistry, Faculty of Science , Gakushuin University , 1-5-1 Mejiro , Toshimaku, Tokyo 171-8588 , Japan
| | - Wai Kin Chan
- Department of Chemistry , The University of Hong Kong , Pokfulam Road , Hong Kong , China
| | - David Lee Phillips
- Department of Chemistry , The University of Hong Kong , Pokfulam Road , Hong Kong , China
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Münich PW, Schierl C, Dirian K, Volland M, Bauroth S, Wibmer L, Syrgiannis Z, Clark T, Prato M, Guldi DM. Tuning the Carbon Nanotube Selectivity: Optimizing Reduction Potentials and Distortion Angles in Perylenediimides. J Am Chem Soc 2018; 140:5427-5433. [DOI: 10.1021/jacs.8b00452] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Peter W. Münich
- Department of Chemistry and Pharmacy and Interdisciplinary Center for Molecular Materials, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91058 Erlangen, Germany
| | - Christoph Schierl
- Department of Chemistry and Pharmacy and Interdisciplinary Center for Molecular Materials, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91058 Erlangen, Germany
| | - Konstantin Dirian
- Department of Chemistry and Pharmacy and Interdisciplinary Center for Molecular Materials, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91058 Erlangen, Germany
| | - Michel Volland
- Department of Chemistry and Pharmacy and Interdisciplinary Center for Molecular Materials, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91058 Erlangen, Germany
| | - Stefan Bauroth
- Department of Chemistry and Pharmacy and Interdisciplinary Center for Molecular Materials, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91058 Erlangen, Germany
- Computer-Chemie-Centrum, Department of Chemistry and Pharmacy, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91052 Erlangen, Germany
| | - Leonie Wibmer
- Department of Chemistry and Pharmacy and Interdisciplinary Center for Molecular Materials, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91058 Erlangen, Germany
| | - Zois Syrgiannis
- Center of Excellence for Nanostructured Materials, Dipartimento di Scienze Chimiche e Farmaceutiche, INSTM unit of Trieste, University of Trieste, 34127 Trieste, Italy
| | - Timothy Clark
- Computer-Chemie-Centrum, Department of Chemistry and Pharmacy, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91052 Erlangen, Germany
| | - Maurizio Prato
- Center of Excellence for Nanostructured Materials, Dipartimento di Scienze Chimiche e Farmaceutiche, INSTM unit of Trieste, University of Trieste, 34127 Trieste, Italy
- Carbon Nanobiotechnology Laboratory, CIC biomaGUNE, 20009 Donostia-San Sebastian, Spain
- Ikerbasque, Basque Foundation for Science, 48013 Bilbao, Spain
| | - Dirk M. Guldi
- Department of Chemistry and Pharmacy and Interdisciplinary Center for Molecular Materials, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91058 Erlangen, Germany
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Arellano LM, Martín-Gomis L, Gobeze HB, Molina D, Hermosa C, Gómez-Escalonilla MJ, Fierro JLG, Sastre-Santos Á, D'Souza F, Langa F. Edge-on and face-on functionalized Pc on enriched semiconducting SWCNT hybrids. NANOSCALE 2018; 10:5205-5213. [PMID: 29493701 DOI: 10.1039/c8nr00262b] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Enriched semiconducting single-walled carbon nanotubes (SWCNT (6,5) and SWCNT (7,6)) and HiPco nanotubes were covalently functionalized with either zinc phthalocyanine or silicon phthalocyanine as electron donors. The synthetic strategy resulted in edge-on and face-on geometries with respect to the phthalocyanine geometry, with both phthalocyanines held by an electronically conducting diphenylacetylene linker. The extent of functionalization in the MPc-SWCNT (M = Zn or Si) donor-acceptor nanohybrids was determined by systematic studies involving AFM, TGA, XPS, optical and Raman techniques. Intramolecular interactions in MPc-SWCNT nanohybrids were probed by studies involving optical absorbance, Raman, luminescence and electrochemical studies. Different degrees of interactions were observed depending on the type of MPc and mode of attachment. Substantial quenching of MPc fluorescence in these hybrids was observed from steady-state and three-dimensional fluorescence mapping, which suggests the occurrence of excited state events. Evidence for the occurrence of excited state charge transfer type interactions was subsequently secured from femtosecond transient absorption studies covering both the visible and near-infrared regions. Furthermore, electron-pooling experiments performed in the presence of a sacrificial electron donor and a second electron acceptor revealed accumulation of one-electron reduced product upon continuous irradiation of the nanohybrids. In such experiments, the ZnPc-SWCNT (6,5) nanohybrid outperformed other nanohybrids and this suggests that this is a superior donor-acceptor system for photocatalytic applications.
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Affiliation(s)
- Luis M Arellano
- Universidad de Castilla-La Mancha, Instituto de Nanociencia, Nanotecnología y Materiales Moleculares (INAMOL), 45071-Toledo, Spain.
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7
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Yan J, Kang C, Ma X, Du Z, Bian Z, Jin R, Gao L. Weakly Basic Anion Recognition by Naphthalenediimide-Based Polymer. ASIAN J ORG CHEM 2017. [DOI: 10.1002/ajoc.201700333] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Jijun Yan
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry; Chinese Academy of Sciences; 5625 Renmin Street Changchun 130022 P.R. China
- University of Chinese Academy of Sciences; Beijing 100049 P.R. China
| | - Chuanqing Kang
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry; Chinese Academy of Sciences; 5625 Renmin Street Changchun 130022 P.R. China
| | - Xiaoye Ma
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry; Chinese Academy of Sciences; 5625 Renmin Street Changchun 130022 P.R. China
| | - Zhijun Du
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry; Chinese Academy of Sciences; 5625 Renmin Street Changchun 130022 P.R. China
| | - Zheng Bian
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry; Chinese Academy of Sciences; 5625 Renmin Street Changchun 130022 P.R. China
| | - Rizhe Jin
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry; Chinese Academy of Sciences; 5625 Renmin Street Changchun 130022 P.R. China
| | - Lianxun Gao
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry; Chinese Academy of Sciences; 5625 Renmin Street Changchun 130022 P.R. China
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Yan J, Kang C, Bian Z, Ma X, Jin R, Du Z, Gao L. An Optically Active Polymer for Broad-Spectrum Enantiomeric Recognition of Chiral Acids. Chemistry 2017; 23:5824-5829. [DOI: 10.1002/chem.201700617] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2017] [Indexed: 11/05/2022]
Affiliation(s)
- Jijun Yan
- State Key Laboratory of Polymer Physics and Chemistry; Changchun Institute of Applied Chemistry; Chinese Academy of Sciences; 5625 Renmin Street Changchun 130022 P. R. China
- University of Chinese Academy of Sciences; Beijing 100049 P. R. China
| | - Chuanqing Kang
- State Key Laboratory of Polymer Physics and Chemistry; Changchun Institute of Applied Chemistry; Chinese Academy of Sciences; 5625 Renmin Street Changchun 130022 P. R. China
| | - Zheng Bian
- State Key Laboratory of Polymer Physics and Chemistry; Changchun Institute of Applied Chemistry; Chinese Academy of Sciences; 5625 Renmin Street Changchun 130022 P. R. China
| | - Xiaoye Ma
- State Key Laboratory of Polymer Physics and Chemistry; Changchun Institute of Applied Chemistry; Chinese Academy of Sciences; 5625 Renmin Street Changchun 130022 P. R. China
| | - Rizhe Jin
- State Key Laboratory of Polymer Physics and Chemistry; Changchun Institute of Applied Chemistry; Chinese Academy of Sciences; 5625 Renmin Street Changchun 130022 P. R. China
| | - Zhijun Du
- State Key Laboratory of Polymer Physics and Chemistry; Changchun Institute of Applied Chemistry; Chinese Academy of Sciences; 5625 Renmin Street Changchun 130022 P. R. China
| | - Lianxun Gao
- State Key Laboratory of Polymer Physics and Chemistry; Changchun Institute of Applied Chemistry; Chinese Academy of Sciences; 5625 Renmin Street Changchun 130022 P. R. China
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9
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Efficient Energy-Conversion Materials for the Future: Understanding and Tailoring Charge-Transfer Processes in Carbon Nanostructures. Chem 2016. [DOI: 10.1016/j.chempr.2016.09.001] [Citation(s) in RCA: 73] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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10
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Al Kobaisi M, Bhosale SV, Latham K, Raynor AM, Bhosale SV. Functional Naphthalene Diimides: Synthesis, Properties, and Applications. Chem Rev 2016; 116:11685-11796. [DOI: 10.1021/acs.chemrev.6b00160] [Citation(s) in RCA: 557] [Impact Index Per Article: 69.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Mohammad Al Kobaisi
- School
of Applied Sciences, RMIT University
, GPO Box 2476, Melbourne, Victoria
3001, Australia
| | - Sidhanath V. Bhosale
- Polymers
and Functional Materials Division, CSIR-Indian Institute of Chemical Technology
, Hyderabad, Telangana-500007, India
| | - Kay Latham
- School
of Applied Sciences, RMIT University
, GPO Box 2476, Melbourne, Victoria
3001, Australia
| | - Aaron M. Raynor
- School
of Applied Sciences, RMIT University
, GPO Box 2476, Melbourne, Victoria
3001, Australia
| | - Sheshanath V. Bhosale
- School
of Applied Sciences, RMIT University
, GPO Box 2476, Melbourne, Victoria
3001, Australia
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