Charge Transfer States in Donor–Acceptor Bulk‐Heterojunctions as Triplet–Triplet Annihilation Sensitizer for Solid‐State Photon Upconversion (Adv. Mater. Interfaces 8/2026)
Source abstract
Abstract
Photon Up-Conversion In the Research Article (DOI: 10.1002/admi.202500897), Maciej Klein, Evan G. Moore, Ajay K. Pandey, and co-workers describe a novel strategy for harnessing near-infrared photons to advance solid-state photon interconversion in molecular heterojunctions. The NIR-absorbing molecular stack enables efficient triplet generation via charge-transfer state formation, amplifying triplet population density and yielding high photon up-conversion quantum efficiencies under incoherent, low-intensity illumination. The underlying excitonic cascade makes it highly attractive for quantum sensing and photodetector technologies.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Luminescence and Fluorescent Materials · Nonlinear Optical Materials Studies · Perovskite Materials and Applications
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Affiliations
Advanced Sensing and Quantum Systems School of Electrical Engineering and Robotics Queensland University of Technology Brisbane QLD 4001 Australia
Centre for Materials Science Queensland University of Technology Brisbane QLD 4001 Australia
School of Chemistry and Molecular Biosciences The University of Queensland Brisbane QLD 4072 Australia
Defence Science and Technology Group Edinburgh SA 5111 Australia
References
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