Photon Upconversion at Crystalline Organic-Organic Heterojunctions

被引：128

作者：

Oldenburg, Michael ^{[1
]}

Turshatov, Andrey ^{[1
]}

Busko, Dmitry ^{[1
]}

Wollgarten, Stephanie ^{[1
]}

Adams, Michael ^{[1
]}

Baroni, Nicolo ^{[1
]}

Welle, Alexander ^{[2
,3
]}

Redel, Engelbert ^{[2
]}

Woell, Christof ^{[2
]}

Richards, Bryce S. ^{[1
]}

Howard, Ian A. ^{[1
]}

机构：

[1] Karlsruhe Inst Technol, IMT, Hermann von Helmholtz Pl 1, D-76344 Eggenstein Leopoldshafen, Germany

[2] Karlsruhe Inst Technol, Inst Funct Interfaces IFG, Hermann von Helmholtz Pl 1, D-76344 Eggenstein Leopoldshafen, Germany

[3] Karlsruhe Inst Technol, KNMF, Hermann von Helmholtz Pl 1, D-76344 Eggenstein Leopoldshafen, Germany

来源：

ADVANCED MATERIALS | 2016年 / 28卷 / 38期

关键词：

heterostructures; surface-anchored metal-organic frameworks; triplet-triplet annihilation; upconversion; ENERGY MIGRATION; FRAMEWORKS; CONDUCTIVITY; EFFICIENCY; GROWTH; FILMS;

D O I：

10.1002/adma.201601718

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

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.

引用

页码：8477 / 8482

页数：6

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