Capturing the Interplay Between TADF and RTP Through Mechanically Flexible Polymorphic Optical Waveguides
Correction(s) for this article
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CORRIGENDUM: Correction to “Capturing the Interplay Between TADF and RTP through Mechanically Flexible Polymorphic Optical Waveguides”
- Volume 64Issue 10Angewandte Chemie International Edition
- First Published online: February 7, 2025
Dr. Avulu Vinod Kumar
Advanced Photonic Materials and Technology Laboratory, School of Chemistry and Centre for Nanotechnology, University of Hyderabad, Prof. C. R. Rao Road, Gachibowli, Hyderabad, 500046 Telangana, India
Equal contribution of authors
Search for more papers by this authorPradip Pattanayak
Department of Chemical Sciences and Center for Advanced Functional Materials, Indian Institute of Science Education and Research, Kolkata, Mohanpur, 741246 West Bengal, India
Equal contribution of authors
Search for more papers by this authorAnkur Khapre
Advanced Photonic Materials and Technology Laboratory, School of Chemistry and Centre for Nanotechnology, University of Hyderabad, Prof. C. R. Rao Road, Gachibowli, Hyderabad, 500046 Telangana, India
Search for more papers by this authorArnab Nandi
Department of Chemical Sciences and Center for Advanced Functional Materials, Indian Institute of Science Education and Research, Kolkata, Mohanpur, 741246 West Bengal, India
Search for more papers by this authorCorresponding Author
Prof. Pradipta Purkayastha
Department of Chemical Sciences and Center for Advanced Functional Materials, Indian Institute of Science Education and Research, Kolkata, Mohanpur, 741246 West Bengal, India
Search for more papers by this authorCorresponding Author
Prof. Rajadurai Chandrasekar
Advanced Photonic Materials and Technology Laboratory, School of Chemistry and Centre for Nanotechnology, University of Hyderabad, Prof. C. R. Rao Road, Gachibowli, Hyderabad, 500046 Telangana, India
Search for more papers by this authorDr. Avulu Vinod Kumar
Advanced Photonic Materials and Technology Laboratory, School of Chemistry and Centre for Nanotechnology, University of Hyderabad, Prof. C. R. Rao Road, Gachibowli, Hyderabad, 500046 Telangana, India
Equal contribution of authors
Search for more papers by this authorPradip Pattanayak
Department of Chemical Sciences and Center for Advanced Functional Materials, Indian Institute of Science Education and Research, Kolkata, Mohanpur, 741246 West Bengal, India
Equal contribution of authors
Search for more papers by this authorAnkur Khapre
Advanced Photonic Materials and Technology Laboratory, School of Chemistry and Centre for Nanotechnology, University of Hyderabad, Prof. C. R. Rao Road, Gachibowli, Hyderabad, 500046 Telangana, India
Search for more papers by this authorArnab Nandi
Department of Chemical Sciences and Center for Advanced Functional Materials, Indian Institute of Science Education and Research, Kolkata, Mohanpur, 741246 West Bengal, India
Search for more papers by this authorCorresponding Author
Prof. Pradipta Purkayastha
Department of Chemical Sciences and Center for Advanced Functional Materials, Indian Institute of Science Education and Research, Kolkata, Mohanpur, 741246 West Bengal, India
Search for more papers by this authorCorresponding Author
Prof. Rajadurai Chandrasekar
Advanced Photonic Materials and Technology Laboratory, School of Chemistry and Centre for Nanotechnology, University of Hyderabad, Prof. C. R. Rao Road, Gachibowli, Hyderabad, 500046 Telangana, India
Search for more papers by this authorGraphical Abstract
Flexible organic crystals offer pioneering options to explore diverse photophysical phenomena through clever crystal engineering principles. Here we demonstrate capturing the interplay between TADF and RTP through mechanically flexible polymorphic optical waveguides with the help of AFM-tip-based mechanophotonics technique.
Abstract
Polymorphism plays a pivotal role in generating a range of crystalline materials with diverse photophysical and mechanical attributes, all originating from the same molecule. Here, we showcase two distinct polymorphs: green (GY) emissive and orange (OR) emissive crystals of 5′-(4-(diphenylamino)phenyl)-[2,2′-bithiophene]-5-carbaldehyde (TPA-CHO). These polymorphs display differing optical characteristics, with GY exhibiting thermally activated delayed fluorescence (TADF) and OR showing room temperature phosphorescence (RTP). Additionally, both polymorphic crystals display mechanical flexibility and optical waveguiding capabilities. Leveraging the AFM-tip-based mechanophotonics technique, we position the GY optical waveguide at varying lengths perpendicular to the OR waveguide. This approach facilitates the exploration of the interplay between TADF and RTP phenomena by judiciously controlling the optical path length of crystal waveguides. Essentially, our approach provides a clear pathway for understanding and controlling the photophysical processes in organic molecular crystals, paving the way for advancements in polymorphic crystal-based photonic circuit technologies.
Open Research
Data Availability Statement
The data that support the findings of this study are available in the supplementary material of this article.
Supporting Information
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| Filename | Description |
|---|---|
| anie202411054-sup-0001-misc_information.pdf6.6 MB | Supporting Information |
| anie202411054-sup-0001-TPA-CHO_GY.mp47.6 MB | Supporting Information |
| anie202411054-sup-0001-TPA-CHO_OR_crystal_bending-1.mp45.2 MB | Supporting Information |
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