Photon Upconversion at Crystalline Organic–Organic Heterojunctions | Zendy

Oldenburg Michael | Zendy; Turshatov Andrey | Zendy; Busko Dmitry | Zendy; Wollgarten Stephanie | Zendy; Adams Michael | Zendy; Baroni Nicolò | Zendy; Welle Alexander | Zendy; Redel Engelbert | Zendy; Wöll Christof | Zendy; Richards Bryce S. | Zendy; Howard Ian A. | Zendy

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Photon Upconversion at Crystalline Organic–Organic Heterojunctions

Author(s) -

Oldenburg Michael,

Turshatov Andrey,

Busko Dmitry,

Wollgarten Stephanie,

Adams Michael,

Baroni Nicolò,

Welle Alexander,

Redel Engelbert,

Wöll Christof,

Richards Bryce S.,

Howard Ian A.

Publication year - 2016

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.201601718

Subject(s) - photon upconversion , materials science , heterojunction , optoelectronics , photon , nanotechnology , optics , luminescence , physics

Triplet transfer across a surface‐anchored metal–organic‐framework heterojunction is demonstrated by the observation of triplet–triplet annihilation photon upconversion in a sensitizer–emitter heterostructure. Upconversion thresholds under 1 mW cm −2 are achieved. In the broader context, the double‐electron‐exchange mechanism of triplet transfer indicates that the heterojunction quality is sufficient for electrons to move between layers in this solution‐processed crystalline heterostructure.

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