A Gold Quartet Framework with Reversible Anisotropic Structural Transformation Accompanied by Luminescence Response

Liao Yuan Yao; Kam Hung Low; Vivian Wing Wah Yam

doi:10.1016/j.chempr.2019.06.012

A Gold Quartet Framework with Reversible Anisotropic Structural Transformation Accompanied by Luminescence Response

Liao Yuan Yao, Kam Hung Low, Vivian Wing Wah Yam^*

^*Corresponding author for this work

The University of Hong Kong

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

45 Citations (Scopus)

Abstract

Hierarchy and chirality are the fundamental characteristics of biomolecules. Chemistry on hierarchical self-assembly and spontaneous symmetry breaking helps to uncover the mechanism of living activities and the origin of chirality in nature. Herein, we describe a chiral gold quartet framework (GQF) with C₄-symmetric structure hierarchically aggregated from an achiral anionic [Au₁₀(dpptrz)₄S₄]²⁻ (dpptrz-Au₁₀), which was acquired via click-reaction-induced and Au(I)⋅⋅⋅Au(I)-interaction-directed cluster-to-cluster transformation (CCT) from the rationally designed [(dppa)₆Au₁₈S₈]²⁺ (dppa-Au₁₈). Inter-cluster hydrogen bonding and alkali ion coordination were observed to assist the hierarchical self-assembly and chiral self-organization of the GQF. Upon exposing the crystal to vacuum, the bottom-up constructed GQF showed an anisotropic structural transformation accompanied by a visual luminescence change in a single-crystal-to-single-crystal (SCSC) manner that became reversible upon removal of vacuum. This research largely advances the potential of polynuclear gold(I)-sulfido clusters in hierarchical self-assembly and luminescent materials.

Original language	English
Pages (from-to)	2418-2428
Number of pages	11
Journal	Chem
Volume	5
Issue number	9
DOIs	https://doi.org/10.1016/j.chempr.2019.06.012
Publication status	Published - 12 Sept 2019
Externally published	Yes

Keywords

Au(I)⋅⋅⋅Au(I) interaction
SDG9: Industry innovation and infrastructure
anisotropic structural transformation
chirality
click reaction
cluster-to-cluster transformation
gold quartet framework
gold(I)-sulfido cluster
hierarchical self-assembly
luminescence response
single-crystal-to-single-crystal

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10.1016/j.chempr.2019.06.012

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title = "A Gold Quartet Framework with Reversible Anisotropic Structural Transformation Accompanied by Luminescence Response",

abstract = "Hierarchy and chirality are the fundamental characteristics of biomolecules. Chemistry on hierarchical self-assembly and spontaneous symmetry breaking helps to uncover the mechanism of living activities and the origin of chirality in nature. Herein, we describe a chiral gold quartet framework (GQF) with C4-symmetric structure hierarchically aggregated from an achiral anionic [Au10(dpptrz)4S4]2− (dpptrz-Au10), which was acquired via click-reaction-induced and Au(I)⋅⋅⋅Au(I)-interaction-directed cluster-to-cluster transformation (CCT) from the rationally designed [(dppa)6Au18S8]2+ (dppa-Au18). Inter-cluster hydrogen bonding and alkali ion coordination were observed to assist the hierarchical self-assembly and chiral self-organization of the GQF. Upon exposing the crystal to vacuum, the bottom-up constructed GQF showed an anisotropic structural transformation accompanied by a visual luminescence change in a single-crystal-to-single-crystal (SCSC) manner that became reversible upon removal of vacuum. This research largely advances the potential of polynuclear gold(I)-sulfido clusters in hierarchical self-assembly and luminescent materials.",

keywords = "Au(I)⋅⋅⋅Au(I) interaction, SDG9: Industry innovation and infrastructure, anisotropic structural transformation, chirality, click reaction, cluster-to-cluster transformation, gold quartet framework, gold(I)-sulfido cluster, hierarchical self-assembly, luminescence response, single-crystal-to-single-crystal",

author = "Yao, {Liao Yuan} and Low, {Kam Hung} and Yam, {Vivian Wing Wah}",

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AU - Yao, Liao Yuan

AU - Low, Kam Hung

AU - Yam, Vivian Wing Wah

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Y1 - 2019/9/12

N2 - Hierarchy and chirality are the fundamental characteristics of biomolecules. Chemistry on hierarchical self-assembly and spontaneous symmetry breaking helps to uncover the mechanism of living activities and the origin of chirality in nature. Herein, we describe a chiral gold quartet framework (GQF) with C4-symmetric structure hierarchically aggregated from an achiral anionic [Au10(dpptrz)4S4]2− (dpptrz-Au10), which was acquired via click-reaction-induced and Au(I)⋅⋅⋅Au(I)-interaction-directed cluster-to-cluster transformation (CCT) from the rationally designed [(dppa)6Au18S8]2+ (dppa-Au18). Inter-cluster hydrogen bonding and alkali ion coordination were observed to assist the hierarchical self-assembly and chiral self-organization of the GQF. Upon exposing the crystal to vacuum, the bottom-up constructed GQF showed an anisotropic structural transformation accompanied by a visual luminescence change in a single-crystal-to-single-crystal (SCSC) manner that became reversible upon removal of vacuum. This research largely advances the potential of polynuclear gold(I)-sulfido clusters in hierarchical self-assembly and luminescent materials.

AB - Hierarchy and chirality are the fundamental characteristics of biomolecules. Chemistry on hierarchical self-assembly and spontaneous symmetry breaking helps to uncover the mechanism of living activities and the origin of chirality in nature. Herein, we describe a chiral gold quartet framework (GQF) with C4-symmetric structure hierarchically aggregated from an achiral anionic [Au10(dpptrz)4S4]2− (dpptrz-Au10), which was acquired via click-reaction-induced and Au(I)⋅⋅⋅Au(I)-interaction-directed cluster-to-cluster transformation (CCT) from the rationally designed [(dppa)6Au18S8]2+ (dppa-Au18). Inter-cluster hydrogen bonding and alkali ion coordination were observed to assist the hierarchical self-assembly and chiral self-organization of the GQF. Upon exposing the crystal to vacuum, the bottom-up constructed GQF showed an anisotropic structural transformation accompanied by a visual luminescence change in a single-crystal-to-single-crystal (SCSC) manner that became reversible upon removal of vacuum. This research largely advances the potential of polynuclear gold(I)-sulfido clusters in hierarchical self-assembly and luminescent materials.

KW - Au(I)⋅⋅⋅Au(I) interaction

KW - SDG9: Industry innovation and infrastructure

KW - anisotropic structural transformation

KW - chirality

KW - click reaction

KW - cluster-to-cluster transformation

KW - gold quartet framework

KW - gold(I)-sulfido cluster

KW - hierarchical self-assembly

KW - luminescence response

KW - single-crystal-to-single-crystal

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SN - 2451-9308

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SP - 2418

EP - 2428

JO - Chem

JF - Chem

IS - 9

ER -

A Gold Quartet Framework with Reversible Anisotropic Structural Transformation Accompanied by Luminescence Response

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