Covalent Graphene-Metal–Organic Polyhedra Hybrids: Triboelectric Nanogenerators for Next Generation of Wearable E-Skin Technologies

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15640%2F25%3A73630833" target="_blank" >RIV/61989592:15640/25:73630833 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/61989100:27640/25:10257715

Výsledek na webu

<a href="https://onlinelibrary.wiley.com/doi/10.1002/smll.202503772" target="_blank" >https://onlinelibrary.wiley.com/doi/10.1002/smll.202503772</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1002/smll.202503772" target="_blank" >10.1002/smll.202503772</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Covalent Graphene-Metal–Organic Polyhedra Hybrids: Triboelectric Nanogenerators for Next Generation of Wearable E-Skin Technologies

Popis výsledku v původním jazyce

The development of stretchable energy-harvesting devices that convert mechanical stimuli into electrical energy is crucial for advancing self-powered electronic skin (e-skin) technologies. Triboelectric nanogenerators (TENGs) show promise but suffer from low stretchability, limited conductivity, and poor mechanical durability. Here, we report a new generation of TENGs designed via the molecular chemistry of metal-organic polyhedra (MOPs) covalently bonded to functionalized 2D nitrogen-doped graphene sheets (NG@MOP). The resulting NG@MOP hybrids, featuring aromatic regions and surface amine groups, link to anionic nickel-based MOPs, [Ni8(HImDC)12]8-, through amide bonds. This hybrid exhibits a large surface area, hierarchical micro-mesoporous channels, and structural defects, improving mechanical resilience. Incorporating NG@MOP into a polyurethane matrix produces a highly stretchable, biocompatible film withstanding over 500% strain. The composite delivers excellent triboelectric output, generating 417 V and 10.8 mu A at 5 wt % loading. Applied as a wearable e-skin, the device maintains functionality under extreme deformation, demonstrating a strain sensitivity of 13 mV per degree of motion. It efficiently detects subtle body motions such as bending and stretching, showing strong potential for wearable motion sensing and real-time health monitoring.

Název v anglickém jazyce

Covalent Graphene-Metal–Organic Polyhedra Hybrids: Triboelectric Nanogenerators for Next Generation of Wearable E-Skin Technologies

Popis výsledku anglicky

The development of stretchable energy-harvesting devices that convert mechanical stimuli into electrical energy is crucial for advancing self-powered electronic skin (e-skin) technologies. Triboelectric nanogenerators (TENGs) show promise but suffer from low stretchability, limited conductivity, and poor mechanical durability. Here, we report a new generation of TENGs designed via the molecular chemistry of metal-organic polyhedra (MOPs) covalently bonded to functionalized 2D nitrogen-doped graphene sheets (NG@MOP). The resulting NG@MOP hybrids, featuring aromatic regions and surface amine groups, link to anionic nickel-based MOPs, [Ni8(HImDC)12]8-, through amide bonds. This hybrid exhibits a large surface area, hierarchical micro-mesoporous channels, and structural defects, improving mechanical resilience. Incorporating NG@MOP into a polyurethane matrix produces a highly stretchable, biocompatible film withstanding over 500% strain. The composite delivers excellent triboelectric output, generating 417 V and 10.8 mu A at 5 wt % loading. Applied as a wearable e-skin, the device maintains functionality under extreme deformation, demonstrating a strain sensitivity of 13 mV per degree of motion. It efficiently detects subtle body motions such as bending and stretching, showing strong potential for wearable motion sensing and real-time health monitoring.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

21001 - Nano-materials (production and properties)

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2025

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Small

ISSN

1613-6810

e-ISSN

1613-6829

Svazek periodika

21

Číslo periodika v rámci svazku

26

Stát vydavatele periodika

DE - Spolková republika Německo

Počet stran výsledku

13

Strana od-do

nestránkováno

Kód UT WoS článku

001478778000001

EID výsledku v databázi Scopus

2-s2.0-105004185606