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Updated: May 30, 2025

Fabrication of White Light-emitting Electrochemical Cells with Stable Emission from Exciplexes

Fabrication of White Light-emitting Electrochemical Cells with Stable Emission from Exciplexes

Published on: November 15, 2016

Drug-Assisted White Light Generation Via Self-Assembly.

Soumya Ranjan Panda¹, Kavyashree P¹, Dhananjaya Sahoo¹

¹Bionanotechnology Lab, Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal Bypass Road, Bhauri, 462066, Bhopal, Madhya Pradesh, India.

Chemistry, an Asian Journal

|January 26, 2025

Summary

Researchers developed a stable white-light (WL) source using a drug molecule and a dye within self-assembled micelles. This novel supramolecular system offers tunable emission for advanced organic materials.

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Facile Preparation and Photoactivation of Prodrug-Dye Nanoassemblies

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Published on: February 17, 2023

Area of Science:

Supramolecular Chemistry
Organic Materials Science
Photophysics

Background:

White-light (WL) generation from small organic molecules is crucial for advanced materials.
Self-assembled systems offer tunable emission properties.
Combining drug molecules with dyes can lead to novel functionalities.

Purpose of the Study:

To achieve white-light generation using a co-assembled system of a drug and a dye.
To investigate the role of surfactants in the self-assembly process.
To characterize the photophysical properties of the generated white light.

Main Methods:

Spectroscopic investigation of premicellar aggregation of styryl chromone (SC) with various surfactants.
Encapsulation of SC and Norharmane (NHM) within self-assembled micelles.
Analysis of fluorescence behavior and wavelength overlap for WL emission.

Main Results:

Detailed understanding of premicellar aggregation processes.
Enhanced fluorescence and white-light emission upon co-assembly of SC and NHM in micelles.
The generated white light exhibits high photostability and thermal reversibility.

Conclusions:

Co-assembly of a polarity-sensitive dye (SC) and a drug (NHM) in a micellar system effectively generates stable white light.
The micellar environment enhances fluorescent behavior and enables tunable emission.
This approach highlights the potential of supramolecular chemistry in designing functional organic materials.