New durable plastic good conductor of electricity (like metal)

Scientists from the University of Chicago they discovered έναν τρόπο να δημιουργήσουν ένα υλικό που μπορεί να κατασκευαστεί σαν πλαστικό, αλλά να είναι καλός αγωγός του ηλεκτρισμού. Έχει δηλαδή τις ιδιότητες μετάλλου.

The survey, published on October 26 in Nature, shows how to make a kind of material in which its molecular fragments are jumbled and disordered, but can conduct electricity remarkably well.

University of Chicago
Members of the Anderson lab at work.
Photo by John Zich/University of Chicago

"In principle, this opens up the design of a whole new class of materials that carry electricity. They will be very easy to form and very resistant to everyday conditions," said John Anderson, an associate professor of chemistry at the University of Chicago and one of the authors of the study.

Ο Jiaze Xie (Ph.D. ’22, τώρα στο Princeton), επίσης συγγραφέας στην μελέτη, άρχισε να πειραματίζεται με ορισμένα υλικά που ανακαλύφθηκαν πριν από χρόνια, αλλά σε μεγάλο βαθμό αγνοήθηκαν.

He added nickel atoms like pearls to an array of molecular beads of carbon and sulfur and began testing them. To the scientists' surprise, the material reacted like a conductor for electricity and was very stable.

“Το θερμάναμε, το ψύξαμε, το εκθέσαμε στον αέρα και την υγρασία, στάξαμε πάνω του ακόμα και οξύ και δεν έγινε τίποτα”, ανέφερε ο Xie. Αυτό θα είναι εξαιρετικά χρήσιμο για μια συσκευή που πρέπει να λειτουργεί συνεχώς σε πραγματικές συνθήκες. Αλλά για τους επιστήμονες, το πιο εντυπωσιακό ήταν ότι η μοριακή δομή του υλικού ήταν διαταραγμένη. “Από θεμελιώδεις γνώσεις που έχουμε, αυτό δεν θα έπρεπε να είναι μέταλλο”, ανέφερε ο Anderson και “δεν υπάρχει κάποια θεωρία που μπορεί να το εξηγήσει”.

Xie, Anderson and their lab collaborated with other scientists from across the university to try to understand how the material can conduct electricity.

After tests, simulations and theoretical work, they believe the material forms layers, like sheets of lasagna. So the electrons can still move horizontally or vertically as long as the pieces are touching each other. The end result is an unprecedentedly conductive material.

Scientists are excited because their discovery brings a fundamentally new design principle for electronic technology. Pipelines are so important that virtually every new development opens up new avenues in technology.
The report states that the new material "can be manufactured at room temperatures" and that it "can also be used where the need for a device or parts of the device must withstand heat, acid or alkalinity, or moisture."

Xie added: "We think we can make it 2D or 3D, make it porous or even add other functions." The Best Technology Site in Greece
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Written by giorgos

George still wonders what he's doing here ...

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