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Open Access
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Elastic films of single-crystal two-dimensional covalent organic frameworks
- Yonghang Yang
- , Baokun Liang
- & Zhikun Zheng
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Article |
A solution-processed n-type conducting polymer with ultrahigh conductivity
A reaction is described combining oxidative polymerization and in situ reductive n-doping to yield poly(benzodifurandione), a facilely synthesized stable n-type conducting polymer with ultrahigh conductivity, with applications in organic electronics.
- Haoran Tang
- , Yuanying Liang
- & Fei Huang
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Article
| Open AccessReconstructed covalent organic frameworks
A protocol in which monomers are pre-organized using a reversible and removable urea linkage enables the production of covalent organic frameworks with higher crystallinity and porosity than those produced using standard approaches with randomly aligned monomers.
- Weiwei Zhang
- , Linjiang Chen
- & Andrew I. Cooper
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Perspective |
Critical advances and future opportunities in upcycling commodity polymers
Methods for the transformation of plastics into materials with value, known as plastic waste upcycling, are outlined, and their advantages and challenges in terms of a sustainable plastics economy are discussed.
- Coralie Jehanno
- , Jill W. Alty
- & Haritz Sardon
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Article |
Polypeptide organic radical batteries
An environmentally friendly, all-organic radical battery is demonstrated, in which redox-active polypeptides perform as both cathode and anode materials, with a metal-free organic electrolyte.
- Tan P. Nguyen
- , Alexandra D. Easley
- & Karen L. Wooley
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Article |
Diversity-oriented synthesis of polymer membranes with ion solvation cages
A diversity-oriented synthesis approach that yields a library of architecturally broad microporous polymers is used to develop structurally diverse polymer membranes with ion specificity and to screen their properties.
- Miranda J. Baran
- , Mark E. Carrington
- & Brett A. Helms
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Article |
Closed-loop recycling of polyethylene-like materials
Polycarbonates and polyesters with materials properties like those of high-density polyethylene can be recycled chemically by depolymerization to their constituent monomers, re-polymerization yielding material with uncompromised processing and materials properties.
- Manuel Häußler
- , Marcel Eck
- & Stefan Mecking
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Article |
Cleavable comonomers enable degradable, recyclable thermoset plastics
A method of endowing thermoset plastics with a degree of recyclability and reprocessability by incorporating cleavable chemical linkages in the strands of the polymer, rather than in the crosslinks, is presented.
- Peyton Shieh
- , Wenxu Zhang
- & Jeremiah A. Johnson
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Letter |
RETRACTED ARTICLE: Living annulative π-extension polymerization for graphene nanoribbon synthesis
A solution-based living annulative π-extension polymerization technique produces graphene nanoribbons with simultaneous control over their length, width and edges, resulting in the synthesis of graphene nanoribbon block copolymers.
- Yuuta Yano
- , Nobuhiko Mitoma
- & Kenichiro Itami
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Letter |
Photoredox catalysis using infrared light via triplet fusion upconversion
Photoredox transformations are achieved with infrared light by using triplet fusion upconversion that converts infrared into visible light, enabling the use of photoredox chemistry on larger scales and through barriers that are impenetrable by visible light.
- Benjamin D. Ravetz
- , Andrew B. Pun
- & Luis M. Campos
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Letter |
Rapid energy-efficient manufacturing of polymers and composites via frontal polymerization
Frontal polymerization of dicyclopentadiene is used to generate thermoset polymers and composite materials with much lower energy requirements and cure times than are needed in conventional oven or autoclave curing approaches.
- Ian D. Robertson
- , Mostafa Yourdkhani
- & Scott R. White