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Unique and outstanding quantum dots (QD)/tunicate cellulose nanofibrils (TCNF) nanohybrid platform material for use as 1D ink and 2D film
KTH Royal Institute of Technology, Sweden.
RISE Research Institutes of Sweden, Bioeconomy and Health, Biorefinery and Energy. KTH Royal Institute of Technology, Sweden.ORCID iD: 0000-0002-4521-1122
2020 (English)In: Carbohydrate Polymers, ISSN 0144-8617, E-ISSN 1879-1344, Vol. 242, article id 116396Article in journal (Refereed) Published
Abstract [en]

Quantum dots (QD)/polymer materials have wide applications in biological imaging, clinical diagnostics, anti-counterfeiting materials, light-emitting devices and solar cells. The development of QD/cellulose nanofibrils (CNF) hybrids with a more perfect structure and excellent properties is important for improving known applications. A unique tunicate CNF (TCNF) was homogeneously blended with outstanding CdSe/CdS core/shell QD to prepare a novel QD/TCNF hybrid. The QD were monodispersed on a single TCNF fibril surface as an evenly distributed monolayer with an extremely high packing density and no visible aggregation. The prepared hybrid is an excellent platform nanomaterial which was demonstrated by its good writing fidelity when applied as a 1D ink and by its good processability in the preparation of 2D films with acceptable transparency and flexibility. This one-step direct blending approach provides a facile shortcut to effectively fabricate cellulose-based high-performance functional QD nanomaterials at the single-fibril level.

Place, publisher, year, edition, pages
Elsevier Ltd , 2020. Vol. 242, article id 116396
Keywords [en]
1D ink and 2D film applications, Nanohybrid, Optical performance, Quantum dots, Tunicate cellulose nanofibrils, Blending, Cadmium compounds, Cellulose, Cellulose nanocrystals, II-VI semiconductors, Light emission, Nanofibers, Selenium compounds, Semiconductor quantum dots, Anti-counterfeiting, Biological imaging, Cellulose nanofibrils, Clinical diagnostics, High packing density, Light emitting devices, Mono-dispersed, Processability, Film preparation
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:ri:diva-44993DOI: 10.1016/j.carbpol.2020.116396Scopus ID: 2-s2.0-85084754707OAI: oai:DiVA.org:ri-44993DiVA, id: diva2:1433616
Note

Funding details: Zhejiang University, ZJU; Funding details: Universitetet i Bergen, UiB; Funding text 1: The authors acknowledge Christofer Troedsson, Eric Thompson, and Jean-Marie Bouquet from the University of Bergen in Norway for collecting tunicate sample. Prof. Xiaogang Peng and Dr. Haiyan Qin at Zhejiang University, China are greatly thanked for supervision and constructive discussion. All the other members in Prof. Xiaogang Peng's group are thanked due to their help during Y. Zhao's stay in Zhejiang University.

Available from: 2020-06-01 Created: 2020-06-01 Last updated: 2023-03-27Bibliographically approved

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Li, Jiebing

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