Perovskites to Photonics: Engineering NIR LEDs for Photobiomodulation

Area of Science:

• Materials Science
• Biophotonics
• Nanotechnology

Background:

• Photobiomodulation (PBM) utilizes near-infrared (NIR) light for therapeutic applications.
• NIR light-emitting diodes (LEDs) offer advantages over lasers for PBM but require optimization.
• Current challenges include achieving efficient, tunable, and clinically suitable NIR emission.

Purpose of the Study:

• To review recent advancements in NIR-emitting materials for PBM.
• To highlight the potential of perovskite LEDs for tailored NIR emission.
• To discuss strategies for enhancing NIR LED performance and applicability in therapy.

Main Methods:

• Exploration of various NIR-emitting material classes (semiconductors, organic molecules, perovskites).
• Analysis of photonic and plasmonic engineering techniques for device improvement.
• Focus on material properties relevant to PBM applications.

Main Results:

• Perovskite LEDs, including novel variants, show promise for narrowband, tunable NIR emission.
• Photonic and plasmonic strategies can improve light extraction, spectral control, and efficiency.
• Integration of materials science and nanophotonics enables development of advanced NIR LEDs.

Conclusions:

• Optimized NIR LEDs are crucial for next-generation PBM therapies.
• Perovskite materials offer a promising platform for developing flexible, biocompatible NIR therapeutic devices.
• Continued research in materials and nanophotonics will drive clinical translation of PBM.