Visible-to-UV Photon Upconversion in Nanostructured Chromophoric Ionic Liquids.,ChemistryOpen

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Visible-to-UV Photon Upconversion in Nanostructured Chromophoric Ionic Liquids.
ChemistryOpen ( IF 2.5 ) Pub Date : 2019-12-20 , DOI: 10.1002/open.201900358
Shota Hisamitsu ₁ , Junji Miyano ₁ , Keisuke Okumura ₁ , Joseph Ka-Ho Hui ₁ , Nobuhiro Yanai _{1,

2} , Nobuo Kimizuka ₁

Affiliation

Invited for this month's cover picture is the group of Professor Nobuhiro Yanai and Nobuo Kimizuka at Kyushu University. The cover picture shows visible‐to‐ultraviolet (vis‐to‐UV) triplet‐triplet annihilation‐based photon upconversion (TTA‐UC) via triplet exciton diffusion in a chromophoric ionic liquid (IL). Chromophore moieties spontaneously form continuous arrays in non‐polar nano‐domains of the IL. The close arrangement of the chromophores in the IL allowed effective diffusion of triplet excitons, resulting in the vis‐to‐UV TTA‐UC at a low excitation intensity. Read the full text of their Communication at 10.1002/open.201900304.

中文翻译：

纳米结构发色离子液体中的可见光到紫外光子上转换。

受邀担任本月封面图片的是九州大学的 Nobuhiro Yanai 教授和 Nobuo Kimizuka 教授团队。封面图片显示了通过发色离子液体 (IL) 中的三重态激子扩散实现的可见光到紫外光 (vis-to-UV) 三重态-三重态湮灭光子上转换 (TTA-UC)。发色团部分在 IL 的非极性纳米域中自发形成连续阵列。 IL 中发色团的紧密排列允许三重态激子的有效扩散，从而在低激发强度下产生可见光 TTA-UC。请阅读他们的通讯全文：10.1002/open.201900304。

更新日期：2019-12-20

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