A PROCESS FOR ISOTROPIC STRUCTURAL COLOUR PRINTING AND AN APPARATUS FOR DETECTING A TARGET SUBSTANCE IN THE GASEOUS PHASE

Number of patents in Portfolio can not be more than 2000

United States of America

SERIAL NO

16472657

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Abstract

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According to the present disclosure, an isotropic structural colour printing process is provided. The process comprising (a) providing an ink composition comprising ink particles (such as polymeric particles (e.g. polystyrene), metal-organic frameworks (MOFs) (e.g. ZIF-8)) in a liquid reagent; and (b) depositing the ink composition onto a surface of a substrate (e.g. anodic aluminium oxide membrane, photo papers). Due to capillary action and/or absorption of the liquid reagent, the ink particles form an amorphous arrangement of structures that lead to isotropic structural colour. In the preferred embodiment, the ink particles may further be coated with a catechol group (such as polydopamine). An apparatus for detecting a target substance in the gaseous phase, wherein the apparatus comprises a nanostructure capable of exhibiting a change in isotropic structural colour when one or more molecules of the target substance are entrapped as an indication that the target substance is present, is also provided.

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Patent Owner(s)

Patent OwnerAddress
NANYANG TECHNOLOGICAL UNIVERSITY50 NANYANG AVENUE SINGAPORE 639798

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
BAI, Ling Singapore, SG 9 24
DUAN, Hongwei Singapore, SG 6 14

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