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Orientation‐Dependent Host–Dopant Interactions for Manipulating Charge Transport in Conjugated Polymers
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| Zeitschriftentitel: | Advanced Materials |
|---|---|
| Personen und Körperschaften: | , , , , |
| In: | Advanced Materials, 32, 2020, 39 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Wiley
|
| Schlagwörter: |
| author_facet |
Zhang, Fengjiao Mohammadi, Erfan Qu, Ge Dai, Xiaojuan Diao, Ying Zhang, Fengjiao Mohammadi, Erfan Qu, Ge Dai, Xiaojuan Diao, Ying |
|---|---|
| author |
Zhang, Fengjiao Mohammadi, Erfan Qu, Ge Dai, Xiaojuan Diao, Ying |
| spellingShingle |
Zhang, Fengjiao Mohammadi, Erfan Qu, Ge Dai, Xiaojuan Diao, Ying Advanced Materials Orientation‐Dependent Host–Dopant Interactions for Manipulating Charge Transport in Conjugated Polymers Mechanical Engineering Mechanics of Materials General Materials Science |
| author_sort |
zhang, fengjiao |
| spelling |
Zhang, Fengjiao Mohammadi, Erfan Qu, Ge Dai, Xiaojuan Diao, Ying 0935-9648 1521-4095 Wiley Mechanical Engineering Mechanics of Materials General Materials Science http://dx.doi.org/10.1002/adma.202002823 <jats:title>Abstract</jats:title><jats:p>Molecular orientation plays a critical role in controlling carrier transport in organic semiconductors (OSCs). However, this aspect has not been explored for surface doping of OSC thin films. The challenge lies in lack of methods to precisely modulate relative molecular orientation between the dopant and the OSC host. Here, the impact of molecular orientation on dopant–host electronic interactions by large modulation of conjugated polymer orientation via solution coating is reported. Combining synchrotron‐radiation X‐ray measurements with spectroscopic and electrical characterizations, a quantitative correlation between doping‐enhanced charge carrier mobility and the Herman's orientation parameter is presented. This direct correlation can be attributed to enhanced charge‐transfer interactions at host/dopant interface with increasing face‐on orientation of the polymer. These results demonstrate that the surface doping effect can be fundamentally manipulated by controlling the molecular orientation of the OSC layer, enabling optimization of carrier transport.</jats:p> Orientation‐Dependent Host–Dopant Interactions for Manipulating Charge Transport in Conjugated Polymers Advanced Materials |
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Wiley, 2020 |
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Wiley, 2020 |
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| title |
Orientation‐Dependent Host–Dopant Interactions for Manipulating Charge Transport in Conjugated Polymers |
| title_unstemmed |
Orientation‐Dependent Host–Dopant Interactions for Manipulating Charge Transport in Conjugated Polymers |
| title_full |
Orientation‐Dependent Host–Dopant Interactions for Manipulating Charge Transport in Conjugated Polymers |
| title_fullStr |
Orientation‐Dependent Host–Dopant Interactions for Manipulating Charge Transport in Conjugated Polymers |
| title_full_unstemmed |
Orientation‐Dependent Host–Dopant Interactions for Manipulating Charge Transport in Conjugated Polymers |
| title_short |
Orientation‐Dependent Host–Dopant Interactions for Manipulating Charge Transport in Conjugated Polymers |
| title_sort |
orientation‐dependent host–dopant interactions for manipulating charge transport in conjugated polymers |
| topic |
Mechanical Engineering Mechanics of Materials General Materials Science |
| url |
http://dx.doi.org/10.1002/adma.202002823 |
| publishDate |
2020 |
| physical |
|
| description |
<jats:title>Abstract</jats:title><jats:p>Molecular orientation plays a critical role in controlling carrier transport in organic semiconductors (OSCs). However, this aspect has not been explored for surface doping of OSC thin films. The challenge lies in lack of methods to precisely modulate relative molecular orientation between the dopant and the OSC host. Here, the impact of molecular orientation on dopant–host electronic interactions by large modulation of conjugated polymer orientation via solution coating is reported. Combining synchrotron‐radiation X‐ray measurements with spectroscopic and electrical characterizations, a quantitative correlation between doping‐enhanced charge carrier mobility and the Herman's orientation parameter is presented. This direct correlation can be attributed to enhanced charge‐transfer interactions at host/dopant interface with increasing face‐on orientation of the polymer. These results demonstrate that the surface doping effect can be fundamentally manipulated by controlling the molecular orientation of the OSC layer, enabling optimization of carrier transport.</jats:p> |
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| author | Zhang, Fengjiao, Mohammadi, Erfan, Qu, Ge, Dai, Xiaojuan, Diao, Ying |
| author_facet | Zhang, Fengjiao, Mohammadi, Erfan, Qu, Ge, Dai, Xiaojuan, Diao, Ying, Zhang, Fengjiao, Mohammadi, Erfan, Qu, Ge, Dai, Xiaojuan, Diao, Ying |
| author_sort | zhang, fengjiao |
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| description | <jats:title>Abstract</jats:title><jats:p>Molecular orientation plays a critical role in controlling carrier transport in organic semiconductors (OSCs). However, this aspect has not been explored for surface doping of OSC thin films. The challenge lies in lack of methods to precisely modulate relative molecular orientation between the dopant and the OSC host. Here, the impact of molecular orientation on dopant–host electronic interactions by large modulation of conjugated polymer orientation via solution coating is reported. Combining synchrotron‐radiation X‐ray measurements with spectroscopic and electrical characterizations, a quantitative correlation between doping‐enhanced charge carrier mobility and the Herman's orientation parameter is presented. This direct correlation can be attributed to enhanced charge‐transfer interactions at host/dopant interface with increasing face‐on orientation of the polymer. These results demonstrate that the surface doping effect can be fundamentally manipulated by controlling the molecular orientation of the OSC layer, enabling optimization of carrier transport.</jats:p> |
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| imprint | Wiley, 2020 |
| imprint_str_mv | Wiley, 2020 |
| institution | DE-L229, DE-D275, DE-Bn3, DE-Brt1, DE-D161, DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1 |
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| source_id | 49 |
| spelling | Zhang, Fengjiao Mohammadi, Erfan Qu, Ge Dai, Xiaojuan Diao, Ying 0935-9648 1521-4095 Wiley Mechanical Engineering Mechanics of Materials General Materials Science http://dx.doi.org/10.1002/adma.202002823 <jats:title>Abstract</jats:title><jats:p>Molecular orientation plays a critical role in controlling carrier transport in organic semiconductors (OSCs). However, this aspect has not been explored for surface doping of OSC thin films. The challenge lies in lack of methods to precisely modulate relative molecular orientation between the dopant and the OSC host. Here, the impact of molecular orientation on dopant–host electronic interactions by large modulation of conjugated polymer orientation via solution coating is reported. Combining synchrotron‐radiation X‐ray measurements with spectroscopic and electrical characterizations, a quantitative correlation between doping‐enhanced charge carrier mobility and the Herman's orientation parameter is presented. This direct correlation can be attributed to enhanced charge‐transfer interactions at host/dopant interface with increasing face‐on orientation of the polymer. These results demonstrate that the surface doping effect can be fundamentally manipulated by controlling the molecular orientation of the OSC layer, enabling optimization of carrier transport.</jats:p> Orientation‐Dependent Host–Dopant Interactions for Manipulating Charge Transport in Conjugated Polymers Advanced Materials |
| spellingShingle | Zhang, Fengjiao, Mohammadi, Erfan, Qu, Ge, Dai, Xiaojuan, Diao, Ying, Advanced Materials, Orientation‐Dependent Host–Dopant Interactions for Manipulating Charge Transport in Conjugated Polymers, Mechanical Engineering, Mechanics of Materials, General Materials Science |
| title | Orientation‐Dependent Host–Dopant Interactions for Manipulating Charge Transport in Conjugated Polymers |
| title_full | Orientation‐Dependent Host–Dopant Interactions for Manipulating Charge Transport in Conjugated Polymers |
| title_fullStr | Orientation‐Dependent Host–Dopant Interactions for Manipulating Charge Transport in Conjugated Polymers |
| title_full_unstemmed | Orientation‐Dependent Host–Dopant Interactions for Manipulating Charge Transport in Conjugated Polymers |
| title_short | Orientation‐Dependent Host–Dopant Interactions for Manipulating Charge Transport in Conjugated Polymers |
| title_sort | orientation‐dependent host–dopant interactions for manipulating charge transport in conjugated polymers |
| title_unstemmed | Orientation‐Dependent Host–Dopant Interactions for Manipulating Charge Transport in Conjugated Polymers |
| topic | Mechanical Engineering, Mechanics of Materials, General Materials Science |
| url | http://dx.doi.org/10.1002/adma.202002823 |