A cyclophane-based host-guest charge transfer complex for NIR-II photothermal conversion

Fei Yang; Yunong Li; Kecheng Huang; Wei Wei; Yanqing Xu

doi:10.1039/d3nj05714c

A cyclophane-based host-guest charge transfer complex for NIR-II photothermal conversion

Fei Yang, Yunong Li, Kecheng Huang, Wei Wei^*, Yanqing Xu^*

^*Corresponding author for this work

School of Chemistry and Chemical Engineering

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

Structurally well-defined small organic photothermal agents (PTAs) in the NIR-II biowindow (1000-1700 nm) have garnered considerable attention, but their rarity greatly limits their wide applications. Herein, we report a host-guest charge-transfer (CT) complex, TTF?TBox-12+, constructed by electron-deficient naphthalene diimide (NDI) cyclophane TBox-12+ and electron-rich guest tetrathiafulvalene (TTF) in 1 : 1 host/guest stoichiometry. Owing to strong CT absorption, TTF?TBox-12+ showed high NIR-II photothermal conversion efficiency in both aqueous solution and the solid state, and then was exploited as a high-performance PTA for antibacterial applications and seawater desalination. This work provides an insight for the development of new structurally well-defined NIR-II PTAs via host-guest CT interaction.

Original language	English
Pages (from-to)	2901-2906
Number of pages	6
Journal	New Journal of Chemistry
Volume	48
Issue number	7
DOIs	https://doi.org/10.1039/d3nj05714c
Publication status	Published - 5 Jan 2024

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title = "A cyclophane-based host-guest charge transfer complex for NIR-II photothermal conversion",

abstract = "Structurally well-defined small organic photothermal agents (PTAs) in the NIR-II biowindow (1000-1700 nm) have garnered considerable attention, but their rarity greatly limits their wide applications. Herein, we report a host-guest charge-transfer (CT) complex, TTF?TBox-12+, constructed by electron-deficient naphthalene diimide (NDI) cyclophane TBox-12+ and electron-rich guest tetrathiafulvalene (TTF) in 1 : 1 host/guest stoichiometry. Owing to strong CT absorption, TTF?TBox-12+ showed high NIR-II photothermal conversion efficiency in both aqueous solution and the solid state, and then was exploited as a high-performance PTA for antibacterial applications and seawater desalination. This work provides an insight for the development of new structurally well-defined NIR-II PTAs via host-guest CT interaction.",

author = "Fei Yang and Yunong Li and Kecheng Huang and Wei Wei and Yanqing Xu",

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T1 - A cyclophane-based host-guest charge transfer complex for NIR-II photothermal conversion

AU - Yang, Fei

AU - Li, Yunong

AU - Huang, Kecheng

AU - Wei, Wei

AU - Xu, Yanqing

PY - 2024/1/5

Y1 - 2024/1/5

N2 - Structurally well-defined small organic photothermal agents (PTAs) in the NIR-II biowindow (1000-1700 nm) have garnered considerable attention, but their rarity greatly limits their wide applications. Herein, we report a host-guest charge-transfer (CT) complex, TTF?TBox-12+, constructed by electron-deficient naphthalene diimide (NDI) cyclophane TBox-12+ and electron-rich guest tetrathiafulvalene (TTF) in 1 : 1 host/guest stoichiometry. Owing to strong CT absorption, TTF?TBox-12+ showed high NIR-II photothermal conversion efficiency in both aqueous solution and the solid state, and then was exploited as a high-performance PTA for antibacterial applications and seawater desalination. This work provides an insight for the development of new structurally well-defined NIR-II PTAs via host-guest CT interaction.

AB - Structurally well-defined small organic photothermal agents (PTAs) in the NIR-II biowindow (1000-1700 nm) have garnered considerable attention, but their rarity greatly limits their wide applications. Herein, we report a host-guest charge-transfer (CT) complex, TTF?TBox-12+, constructed by electron-deficient naphthalene diimide (NDI) cyclophane TBox-12+ and electron-rich guest tetrathiafulvalene (TTF) in 1 : 1 host/guest stoichiometry. Owing to strong CT absorption, TTF?TBox-12+ showed high NIR-II photothermal conversion efficiency in both aqueous solution and the solid state, and then was exploited as a high-performance PTA for antibacterial applications and seawater desalination. This work provides an insight for the development of new structurally well-defined NIR-II PTAs via host-guest CT interaction.

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A cyclophane-based host-guest charge transfer complex for NIR-II photothermal conversion

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