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Molecules
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Stimuli-Responsive Crystals Materials and Polymers
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Stimuli-Responsive Crystals Materials and Polymers

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Materials Chemistry".

Deadline for manuscript submissions: 31 December 2024 | Viewed by 1742

Special Issue Editors

Prof. Dr. Xianping Chen

E-Mail Website
Guest Editor
College of Optoelectronic Engineering, Chongqing University, Chongqing 400044, China
Interests: carbon material; sensor; photoelectric device; fluorescence; hybrid metal halide
Dr. Qianqian Hu

E-Mail Website
Guest Editor
Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
Interests: metal chalcogenide; cluster; inorganic-organic hybrid material; ionic liquid; fluorescence
Dr. Zeping Wang

E-Mail Website
Guest Editor
State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
Interests: hybrid metal halide; fluorescence; optical application; crystalline material; structure-property relationship; stimuli-responsive material

Special Issue Information

Dear Colleagues,

This Special Issue is focused on stimuli-responsive materials (SRMs), which are materials that are able to undergo the chemical and/or physical conversion of their properties. SRMs are able to interpret between humans and the world by translating unreadable external environment factors into readable signals, such as light and electrons. In general, SRMs are the basis of sensing, information encryption, and anti-counterfeiting technology, as well as of some novel applications, including smart windows, rewritable paper, and drug delivery.

Of particular interest are fluorescent crystals and polymers, including materials designs, synthetic methods, functional architectures, and applications. Their structural characterization prior to and following responsive processes should also be emphasized, with the aim of understanding more comprehensively the structure–property relationship of SRMs. This would be helpful in designing their functionalities, so that they are able to respond specifically to a particular stimuli. The study exposes a new avenue for material science and structural chemistry.

Prof. Dr. Xianping Chen
Dr. Qianqian Hu
Dr. Zeping Wang
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Molecules is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • stimuli-responsive materials
  • inorganic-organic hybrid materials
  • fluorescence
  • metal organic frameworks
  • hybrid metal halides
  • structure–property relationship
  • sensor

Published Papers (1 paper)

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Research

11 pages, 2343 KiB  
Article
Mechanical Force-Induced Color-Variable Luminescence of Carbon Dots in Boric Acid Matrix
by Shuai Meng, Dengke Cheng, Hailing Gu, Yuchen Li, Yukun Qin, Jing Tan and Qijun Li
Molecules 2023, 28(8), 3388; https://doi.org/10.3390/molecules28083388 - 12 Apr 2023
Cited by 1 | Viewed by 1477
Abstract
Mechano-luminescent materials that exhibit distinct luminescence responses to force stimuli are urgently anticipated in view of application needs in the fields of sensing, anti-counterfeiting, optoelectronic devices, etc. However, most of the reported materials normally exhibit force-induced changes in luminescent intensity, whereas materials that [...] Read more.
Mechano-luminescent materials that exhibit distinct luminescence responses to force stimuli are urgently anticipated in view of application needs in the fields of sensing, anti-counterfeiting, optoelectronic devices, etc. However, most of the reported materials normally exhibit force-induced changes in luminescent intensity, whereas materials that possess force-induced color-variable luminescence remain rarely reported. Herein, for the first time, a novel mechanical force-induced color-variable luminescence material from carbon dots (CDs) in boric acid (CD@BA) is reported. At low CDs concentration, the luminescence of CD@BA exhibits a grinding-induced color variable from white to blue. This grinding-induced color variable can be switched to yellow-to-white changing by increasing the CDs concentration in BA. The grinding-induced color-variable luminescence originates from dynamic variation in emission ratio of fluorescence and room temperature phosphorescence, due to the influence of oxygen and water vapor in the air. At high CDs concentration, short-wavelength fluorescence undergoes more severe reabsorption compared to room temperature phosphorescence, leading to grinding-induced color-variable switching from white-to-blue to yellow-to-white. Based on the unique properties of CD@BA powder, the applications of recognizing and visualizing fingerprints on the surfaces of various of materials are demonstrated. Full article
(This article belongs to the Special Issue Stimuli-Responsive Crystals Materials and Polymers)
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