Molecular Water Lilies: Orienting Single Molecules in a Polymer Film by Solvent Vapor Annealing
The microscopic orientation and position of photoactive molecules is crucial to the operation of optoelectronic devices such as OLEDs and solar cells. Here, we introduce a shape-persistent macrocyclic molecule as an excellent fluorescent probe to simply measure (i) its orientation by rotating the ex...
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| creator | Wuersch, Dominik Hofmann, Felix J Eder, Theresa Aggarwal, A. Vikas Idelson, Alissa Hoeger, Sigurd Lupton, John M Vogelsang, Jan |
| description | The microscopic orientation and position of photoactive molecules is crucial
to the operation of optoelectronic devices such as OLEDs and solar cells. Here,
we introduce a shape-persistent macrocyclic molecule as an excellent
fluorescent probe to simply measure (i) its orientation by rotating the
excitation polarization and recording the strength of modulation in
photoluminescence (PL), and (ii) its position in a film by analyzing the
overall PL brightness at the molecular level. The unique shape, the absorption
and the fluorescence properties of this probe yields information on molecular
orientation and position. We control orientation and positioning of the probe
in a polymer film by solvent vapor annealing (SVA). During the SVA process the
molecules accumulate at the polymer/air interface, where they adopt a flat
conformation, much like water lilies on the surface of a pond. The results are
significant for OLED fabrication and single-molecule spectroscopy (SMS) in
general. |
| doi_str_mv | 10.48550/arxiv.1611.02148 |
| format | Article |
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to the operation of optoelectronic devices such as OLEDs and solar cells. Here,
we introduce a shape-persistent macrocyclic molecule as an excellent
fluorescent probe to simply measure (i) its orientation by rotating the
excitation polarization and recording the strength of modulation in
photoluminescence (PL), and (ii) its position in a film by analyzing the
overall PL brightness at the molecular level. The unique shape, the absorption
and the fluorescence properties of this probe yields information on molecular
orientation and position. We control orientation and positioning of the probe
in a polymer film by solvent vapor annealing (SVA). During the SVA process the
molecules accumulate at the polymer/air interface, where they adopt a flat
conformation, much like water lilies on the surface of a pond. The results are
significant for OLED fabrication and single-molecule spectroscopy (SMS) in
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to the operation of optoelectronic devices such as OLEDs and solar cells. Here,
we introduce a shape-persistent macrocyclic molecule as an excellent
fluorescent probe to simply measure (i) its orientation by rotating the
excitation polarization and recording the strength of modulation in
photoluminescence (PL), and (ii) its position in a film by analyzing the
overall PL brightness at the molecular level. The unique shape, the absorption
and the fluorescence properties of this probe yields information on molecular
orientation and position. We control orientation and positioning of the probe
in a polymer film by solvent vapor annealing (SVA). During the SVA process the
molecules accumulate at the polymer/air interface, where they adopt a flat
conformation, much like water lilies on the surface of a pond. The results are
significant for OLED fabrication and single-molecule spectroscopy (SMS) in
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to the operation of optoelectronic devices such as OLEDs and solar cells. Here,
we introduce a shape-persistent macrocyclic molecule as an excellent
fluorescent probe to simply measure (i) its orientation by rotating the
excitation polarization and recording the strength of modulation in
photoluminescence (PL), and (ii) its position in a film by analyzing the
overall PL brightness at the molecular level. The unique shape, the absorption
and the fluorescence properties of this probe yields information on molecular
orientation and position. We control orientation and positioning of the probe
in a polymer film by solvent vapor annealing (SVA). During the SVA process the
molecules accumulate at the polymer/air interface, where they adopt a flat
conformation, much like water lilies on the surface of a pond. The results are
significant for OLED fabrication and single-molecule spectroscopy (SMS) in
general.</abstract><doi>10.48550/arxiv.1611.02148</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Physics - Chemical Physics |
| title | Molecular Water Lilies: Orienting Single Molecules in a Polymer Film by Solvent Vapor Annealing |
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