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Boice GN, Garakyaraghi S, Patrick BO, Sanz CA, Castellano FN, Hicks RG. Diastereomerically Differentiated Excited State Behavior in Ruthenium(II) Hexafluoroacetylacetonate Complexes of Diphenyl Thioindigo Diimine. Inorg Chem 2018; 57:1386-1397. [DOI: 10.1021/acs.inorgchem.7b02803] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Geneviève N. Boice
- Department of Chemistry, University of Victoria, PO Box 3065 STN CSC, Victoria, British
Columbia V8W 3V6, Canada
| | - Sofia Garakyaraghi
- Department of Chemistry, North Carolina State University, Raleigh, North Carolina 27695-8204, United States
| | - Brian O. Patrick
- Crystallography Laboratory, Department
of Chemistry, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - Corey A. Sanz
- Department of Chemistry, University of Victoria, PO Box 3065 STN CSC, Victoria, British
Columbia V8W 3V6, Canada
| | - Felix N. Castellano
- Department of Chemistry, North Carolina State University, Raleigh, North Carolina 27695-8204, United States
| | - Robin G. Hicks
- Department of Chemistry, University of Victoria, PO Box 3065 STN CSC, Victoria, British
Columbia V8W 3V6, Canada
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Oliveras-González C, Di Meo F, González-Campo A, Beljonne D, Norman P, Simón-Sorbed M, Linares M, Amabilino DB. Bottom-Up Hierarchical Self-Assembly of Chiral Porphyrins through Coordination and Hydrogen Bonds. J Am Chem Soc 2015; 137:15795-808. [PMID: 26595320 DOI: 10.1021/jacs.5b08081] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
A series of chiral synthetic compounds is reported that shows intricate but specific hierarchical assembly because of varying positions of coordination and hydrogen bonds. The evolution of the aggregates (followed by absorption spectroscopy and temperature-dependent circular dichroism studies in solution) reveal the influence of the proportion of stereogenic centers in the side groups connected to the chromophore ring in their optical activity and the important role of pyridyl groups in the self-assembly of these chiral macrocycles. The optical activity spans 2 orders of magnitude depending on composition and constitution. Two of the aggregates show very high optical activity even though the isolated chromophores barely give a circular dichroism signal. Molecular modeling of the aggregates, starting from the pyridine-zinc(II) porphyrin interaction and working up, and calculation of the circular dichroism signal confirm the origin of this optical activity as the chiral supramolecular organization of the molecules. The aggregates show a broad absorption range, between approximately 390 and 475 nm for the transitions associated with the Soret region alone, that spans wavelengths far more than the isolated chromophore. The supramolecular assemblies of the metalloporphyrins in solution were deposited onto highly oriented pyrolitic graphite in order to study their hierarchy in assembly by atomic force microscopy. Zero and one-dimensional aggregates were observed, and a clear dependence on deposition temperature was shown, indicating that the hierarchical assembly took place largely in solution. Moreover, scanning electron microscopy images of porphyrins and metalloporphyrins precipitated under out-of-equilibrium conditions showed the dependence of the number and position of chiral amide groups in the formation of a fibrillar nanomaterial. The combination of coordination and hydrogen bonding in the complicated assembly of these molecules-where there is a clear hierarchy for zinc(II)-pyridyl interaction followed by hydrogen-bonding between amide groups, and then van der Waals interactions-paves the way for the preparation of molecular materials with multiple chromophore environments.
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Affiliation(s)
- Cristina Oliveras-González
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), Campus Universitari de Bellaterra , 08193 Cerdanyola del Vallès, Catalonia, Spain
| | - Florent Di Meo
- Department of Physics, Chemistry and Biology (IFM), Linköping University , SE-58 583 Linköping, Sweden
| | - Arántzazu González-Campo
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), Campus Universitari de Bellaterra , 08193 Cerdanyola del Vallès, Catalonia, Spain
| | - David Beljonne
- Laboratory of Chemistry for Novel Materials, Mons University , Place du Parc, Mons B-9000, Belgium
| | - Patrick Norman
- Department of Physics, Chemistry and Biology (IFM), Linköping University , SE-58 583 Linköping, Sweden
| | - Maite Simón-Sorbed
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), Campus Universitari de Bellaterra , 08193 Cerdanyola del Vallès, Catalonia, Spain
| | - Mathieu Linares
- Department of Physics, Chemistry and Biology (IFM), Linköping University , SE-58 583 Linköping, Sweden
| | - David B Amabilino
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), Campus Universitari de Bellaterra , 08193 Cerdanyola del Vallès, Catalonia, Spain.,School of Chemistry, The University of Nottingham , University Park, Nottingham NG7 2RD, United Kingdom
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Wan Y, Liang Q, Cong T, Wang X, Tao Y, Sun M, Li Z, Xu S. Novel catalyst of zinc tetraamino-phthalocyanine supported by multi-walled carbon nanotubes with enhanced visible-light photocatalytic activity. RSC Adv 2015. [DOI: 10.1039/c5ra10462a] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Zinc tetraamino-phthalocyanine (ZnTAPc) supported by multi-walled carbon nanotubes (MWCNTs) hybrid materials were successfully fabricated by the method of chemical grafting and their photocatalysis behavior was reported.
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Affiliation(s)
- Yi Wan
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology
- School of Petrochemical Engineering
- Changzhou University
- Changzhou 213164
- PR China
| | - Qian Liang
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology
- School of Petrochemical Engineering
- Changzhou University
- Changzhou 213164
- PR China
| | - Tiantian Cong
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology
- School of Petrochemical Engineering
- Changzhou University
- Changzhou 213164
- PR China
| | - Xinyu Wang
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology
- School of Petrochemical Engineering
- Changzhou University
- Changzhou 213164
- PR China
| | - Yuyao Tao
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology
- School of Petrochemical Engineering
- Changzhou University
- Changzhou 213164
- PR China
| | - Manyou Sun
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology
- School of Petrochemical Engineering
- Changzhou University
- Changzhou 213164
- PR China
| | - Zhongyu Li
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology
- School of Petrochemical Engineering
- Changzhou University
- Changzhou 213164
- PR China
| | - Song Xu
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology
- School of Petrochemical Engineering
- Changzhou University
- Changzhou 213164
- PR China
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