Toward Photoactive Wallpapers Based on ZnO-Cellulose Nanocomposites

Overview

Journal Glob Chall

Date 2023 Sep 25

PMID 37745827

Authors

Naveed Ul Hassan Alvi

Neha Sepat

Samim Sardar

Magnus Berggren

Isak Engquist

Xavier Crispin

Affiliations

Soon will be listed here.

Abstract

The quest for eco-friendly materials with anticipated positive impact for sustainability is crucial to achieve the UN sustainable development goals. Classical strategies of composite materials can be applied on novel nanomaterials and green materials. Besides the actual technology and applications also processing and manufacturing methods should be further advanced to make entire technology concepts sustainable. Here, they show an efficient way to combine two low-cost materials, cellulose and zinc oxide (ZnO), to achieve novel functional and "green" materials via paper-making processes. While cellulose is the most abundant and cost-effective organic material extractable from nature. ZnO is cheap and known of its photocatalytic, antibacterial, and UV absorption properties. ZnO nanowires are grown directly onto cellulose fibers in water solutions and then dewatered in a process mimicking existing steps of large-scale papermaking technology. The ZnO NW paper exhibits excellent photo-conducting properties under simulated sunlight with good ON/OFF switching and long-term stability (90 minutes). It also acts as an efficient photocatalyst for hydrogen peroxide (HO) generation (5.7 × 10 m s) with an envision the possibility of using it in buildings to enable large surfaces to spontaneously produce HO at its outer surface. Such technology promise for fast degradation of microorganisms to suppress the spreading of diseases.

Citing Articles

Toward Photoactive Wallpapers Based on ZnO-Cellulose Nanocomposites.

Alvi N, Sepat N, Sardar S, Berggren M, Engquist I, Crispin X Glob Chall. 2023; 7(9):2300034.

PMID: 37745827 PMC: 10517292. DOI: 10.1002/gch2.202300034.

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