journal article·2023-10-13Open access

Nanoporous Solid-State Sensitization of Triplet Fusion Upconversion

Thilini Ishwara, Jiale Feng, Damon M. de Clercq, Rugang Geng, Jessica Alves, Dane R. McCamey, Michael. P. Nielsen, Timothy W. Schmidt

ACS Energy Letters· Volume 8· Issue 10

Abstract

Photochemical upconversion of green to blue light is demonstrated in thin films of nanostructured alumina stained with a metalloporphyrin sensitizer. The pores of the structure are filled with emitter molecules in a concentrated solution, allowing efficient upconversion within the solid-state scaffold. The photon generation quantum yield is measured to be 9.4%, which is nearly 40% of what is possible with a diphenylanthracene emitter. These results show that high-efficiency upconversion is possible with solid-state sensitization within a nanostructured thin-film architecture.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Luminescence Properties of Advanced Materials · Radioactive element chemistry and processing · Radiation Detection and Scintillator Technologies

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

ARC Centre of Excellence in Exciton Science, School of Chemistry, UNSW Sydney, NSW 2052, Australia

ARC Centre of Excellence in Exciton Science, School of Physics, UNSW Sydney, NSW 2052, Australia

ARC Centre of Excellence in Exciton Science, School of Photovoltaic and Renewable Energy Engineering, UNSW Sydney, NSW 2052, Australia

Funding

Australian Research Council · University of New South Wales

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