In this section, you can access to the latest technical information related to the FUTURE project topic.

Noncovalent self-assembly of a minuscule amount of nickel porphyrin on carbon nanotube for high-performance electromagnetic wave absorbing

High-performance and lightweight carbon-based electromagnetic wave (EMW) absorbing materials are urgently required for applications in aerospace and next-generation electronics. However, it is of great importance to break through the conventional thinking of loading high-density magnetic metals to improve the EMW absorption performance of carbon-based absorbers. Herein, the 5,10,15,20-tetrakis (4-aminophenyl) porphyrin nickel (Ni-TAPP) was self-assembled on the surface of carbon nanotubes (CNTs) driven by the ?-? interactions via a simple, facile, scalable preparation approach. The fabricated [email protected] nanocomposites not only effectively integrated the Ni active sites of Ni-TAPP and three-dimensional conductive networks of CNTs, but also exhibited good impedance matching and optimized dielectric loss. Benefiting from this remarkable synergy, the [email protected] presented a minimum reflection loss of ?66.5?dB (1.9?mm, 10.1?GHz) at a Ni-TAPP content of merely 2.86?wt%. This work undoubtedly provides a high-efficiency strategy for the scalable fabrication of lightweight, durable EMW absorbing materials.

» Author: Chang Liu, Jing Qiao, Xue Zhang, Yunfei Yang, Bin Li, Lili Wu, Wei Liu, Zhihui Zeng, Jiurong Liu

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