Journal ArticleDOI
Viologens and Their Application as Functional Materials
TLDR
This review highlights representative recent work and advances towards utilizing viologens in practical applications that currently compete with metal-based technologies.Abstract:
Organic materials have recently gained considerable attention for electronic applications, improving performance and sustainability to current technologies. Commercialized metal-based systems are generally expensive, toxic and difficult to recycle, however organic materials offer promising solutions. Viologens, N,N' di-quaternized bipyridyl salts, are a well-studied species exhibiting three reversible redox states, possessing valuable electrochromic and electron-accepting properties. These properties can be fine-tuned through synthesis by altering the nitrogen substituents and various counteranions. Currently, viologens have become of great interest as functional materials in a wide array of applications; a few to name include electrochromic devices, molecular machines, and organic batteries. This review highlights representative recent work and advances towards utilizing viologens in practical applications that currently compete with metal-based technologies. Additionally, modified viologens that can be further fine-tuned will be discussed.read more
Citations
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Journal ArticleDOI
Mono- and Di-Quaternized 4,4'-Bipyridine Derivatives as Key Building Blocks for Medium- and Environment-Responsive Compounds and Materials
TL;DR: The multifunctional nature ofThese derivatives is analyzed and structure–property relations are discussed in connection to the role of these derivatives in various novel applications.
Journal ArticleDOI
Photo- and Redox-Driven Artificial Molecular Motors
TL;DR: The evolution of the field of photo- and redox-driven artificial molecular motors is described, and a comprehensive review of the work published in the past 5 years is provided.
Journal ArticleDOI
Viologen-based electrochromic materials and devices
Kanagaraj Madasamy,Kanagaraj Madasamy,D. Velayutham,D. Velayutham,Vembu Suryanarayanan,Vembu Suryanarayanan,Murugavel Kathiresan,Murugavel Kathiresan,Kuo-Chuan Ho +8 more
TL;DR: In this paper, a review describes recent developments in the synthesis of viologen-based electrochromes with co-redox species and their ECD performance, which includes the incorporation of conducting polymers in the device set-up and/or the addition of complementary redox species.
Journal ArticleDOI
Stable Radical Cation-Containing Covalent Organic Frameworks Exhibiting Remarkable Structure-Enhanced Photothermal Conversion.
TL;DR: The structure-enhanced performance of the COF ma-terial is witnessed with the photothermal conversion efficiencies as high as 63.8% and 55.2%, when exposed to 808 nm and 1064 nm lasers, respectively.
Journal ArticleDOI
Viologen-inspired functional materials: synthetic strategies and applications
Junjie Ding,Junjie Ding,Caini Zheng,Luxin Wang,Chenbao Lu,Bin Zhang,Yu Chen,Mingqiang Li,Guangqun Zhai,Xiaodong Zhuang +9 more
TL;DR: In this article, the authors provide an overview of the design and synthesis of viologen-based functional materials and their representative applications, and the remaining challenges and future potential applications are also discussed.
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A [2]Catenane-Based Solid State Electronically Reconfigurable Switch
C. P. Collier,Gunter Mattersteig,Eric W. Wong,Yi Luo,K. C. Beverly,José Sampaio,Françisco M. Raymo,J. Fraser Stoddart,James R. Heath +8 more
TL;DR: In this paper, a solid state, electronically addressable, bistable [2]catenane-based molecular switching device was fabricated from a single monolayer of the [2]-Catenane, anchored with phospholipid counterions, and sandwiched between an n-type polycrystalline silicon bottom electrode and a metallic top electrode.
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Recent Progress in Redox Flow Battery Research and Development
TL;DR: In this article, a review of recent progress in the research and development of redox flow battery technology, including cell-level components of electrolytes, electrodes, and membranes, is reviewed.
Journal ArticleDOI
Noncoordinating anions--fact or fiction? A survey of likely candidates.
Ingo Krossing,Ines Raabe +1 more
TL;DR: An overview on the available candidates in the quest for the least coordinating anion and a summary of new applications, available starting materials, and general strategies to introduce a WCA into a system are presented.