Visible light-triggered smart photoreversible color switching systems based on VOx QDs for constructing smart corrosion resistant coatings on AA2024-T3

doi:10.1016/j.cej.2022.139569

IMR OpenIR

	Visible light-triggered smart photoreversible color switching systems based on VOx QDs for constructing smart corrosion resistant coatings on AA2024-T3
	Ahmed, Sharjeel 1,2; Shi, Hongwei 1,2; Gao, Ningjie 1,2; Liu, Fuchun 1,2,3; Nwokolo, Izuchukwu K.1,2; Li, Jiwen 1,2; Zhang, Wanyu 1,2; Ali, Mustehsin 1,2; Ali, Imran 1,2; Han, En-Hou 1,2,3
通讯作者	Shi, Hongwei(hwshi@imr.ac.cn) ; Liu, Fuchun(fcliu@imr.ac.cn)
	2023-01-15
发表期刊	CHEMICAL ENGINEERING JOURNAL
ISSN	1385-8947
卷号	452 页码:10
摘要	Nanoparticles rich in oxygen vacancies (such as ZnO1-x, SnO2-x, TiO2-x, CeO2-x) are major components of Pho-toreversible color-switching systems (PCSSs) and are utilized in many applications (ink-free paper printing, secure communication and smart fabrics). Despite this, it has been a challenge to develop smart coatings due to several factors (such as low durability and poor efficiency in charge separation). To solve these issues, we have synthesized oxygen deficient vanadium oxide (VOx) quantum dots with a size of -2 nm through solvothermal reaction by using L-ascorbic acid as a reducing agent, resulting in widened photoabsorption spectrum with a band gap of 2.15 eV. Oxygen deficient VOx, methylene blue and acrylic latex (VOx/MB/Ac2403) have been used to design PCSSs coating on AA2024-T3 metal alloy. The redox dyes can be photocatalytically reduced by visible laser light, resulting in remote printing of various designs on the smart coating in -120 s. When irradiated with blue light, the designs can be erased in -250 s caused by the VOx self-catalyzed oxidation, leading to high recyclability (more than 40 cycles), efficiency and durability. As a result, reprintable smart coatings offer a viable alternative to regular alloys in meeting the growing demands for security or camouflage.
关键词	VOx quantum dots reprint-able AA2024-T3 metal alloy Oxygen vacancies Remote visible laser light discoloration Remote blue laser light recoloration
资助者	LingChuang Research Project of China National Nuclear Corporation ; National Natural Science Foundation of China
DOI	10.1016/j.cej.2022.139569
收录类别	SCI
语种	英语
资助项目	LingChuang Research Project of China National Nuclear Corporation ; National Natural Science Foundation of China ; [E041F212Z1] ; [52171089] ; [51571202]
WOS研究方向	Engineering
WOS类目	Engineering, Environmental ; Engineering, Chemical
WOS记录号	WOS:000887261800004
出版者	ELSEVIER SCIENCE SA
引用统计	被引频次：7[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/176797
专题	中国科学院金属研究所
通讯作者	Shi, Hongwei; Liu, Fuchun
作者单位	1.Chinese Acad Sci, Inst Met Res, CAS Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Peoples R China 2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Peoples R China 3.Inst Corros Sci & Technol, Guangzhou 510530, Peoples R China
推荐引用方式 GB/T 7714	Ahmed, Sharjeel,Shi, Hongwei,Gao, Ningjie,et al. Visible light-triggered smart photoreversible color switching systems based on VOx QDs for constructing smart corrosion resistant coatings on AA2024-T3[J]. CHEMICAL ENGINEERING JOURNAL,2023,452:10.
APA	Ahmed, Sharjeel.,Shi, Hongwei.,Gao, Ningjie.,Liu, Fuchun.,Nwokolo, Izuchukwu K..,...&Han, En-Hou.(2023).Visible light-triggered smart photoreversible color switching systems based on VOx QDs for constructing smart corrosion resistant coatings on AA2024-T3.CHEMICAL ENGINEERING JOURNAL,452,10.
MLA	Ahmed, Sharjeel,et al."Visible light-triggered smart photoreversible color switching systems based on VOx QDs for constructing smart corrosion resistant coatings on AA2024-T3".CHEMICAL ENGINEERING JOURNAL 452(2023):10.