Near‐Infrared‐to‐Visible Photon Upconversion by Introducing an S−T Absorption Sensitizer into a Metal‐Organic Framework,ChemNanoMat

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Near‐Infrared‐to‐Visible Photon Upconversion by Introducing an S−T Absorption Sensitizer into a Metal‐Organic Framework
ChemNanoMat ( IF 2.6 ) Pub Date : 2020-03-06 , DOI: 10.1002/cnma.202000019
Biplab Joarder ₁ , Arijit Mallick ₁ , Yoichi Sasaki ₁ , Mika Kinoshita ₁ , Rena Haruki ₁ , Yusuke Kawashima ₁ , Nobuhiro Yanai _{1,

2} , Nobuo Kimizuka ₁

Affiliation

Triplet‐triplet annihilation‐based photon upconversion (TTA‐UC) of near‐infrared (NIR) light to visible light in the solid‐state remains as a great challenge due to the sensitizer aggregation that impedes the efficient triplet energy transfer. Herein, we successfully introduce a molecular sensitizer exhibiting direct singlet‐to‐triplet (S–T) absorption into a new emitter‐based metal‐organic framework (MOF) to achieve an efficient triplet sensitization and a NIR‐to‐visible TTA‐UC in the solid‐state.

中文翻译：

通过将S-T吸收敏化剂引入金属有机框架中，实现近红外到可见光子的上转换

在固态中，基于三重态三重态an灭的近红外（NIR）光到可见光的光子上转换（TTA-UC）仍然是一个巨大的挑战，这是因为敏化剂的聚集阻碍了有效的三重态能量转移。在此，我们成功地将一种分子敏化剂展示了直接的单重态到三重态（S–T）吸收，并引入了新的基于发射体的金属有机骨架（MOF）中，从而实现了有效的三重态敏化和近红外-可见TTA-UC在固态。

更新日期：2020-03-06

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