relation: https://khub.utp.edu.my/scholars/14634/
title: Incorporation of carboxyl and amino functionalized carbon quantum dots in thin film membrane for nanofiltration
creator: Zainal Abidin, N.H.
creator: Shafie, S.N.A.
creator: Suhaimi, H.
creator: Sambudi, N.S.
creator: Sapiaa Md Nordin, N.A.H.
description: Fabrication of thin film nanocomposite membrane (TFN) with carbon quantum dots (CQDs) as nanofiller has gained a wide attention due to the promising properties of the CQDs to enhance the membrane permeability. Synthesis of CQDs and their functionalization with both carboxyl and amino groups are originated from rice husks as the precursor. Fourier-Transform Infrared Spectroscopy (FTIR) analysis shows that CQDs contain oxygen-containing groups that allow hydrogen bonding with water molecules. Zeta potential shows that the incorporation of CQDs produces highly negative charged membranes, while Field Emission Scanning Electron Microscopy (FESEM) and Atomic Force Microscopy (AFM) results indicate that the introduction of the nanoparticles alters the surface properties of the fabricated membranes. Photoluminescence (PL) analysis proves that CQDs are present in the polyamide (PA) layer which describes the unique characteristic of the CQDs. The presence of CQDs in TFN membranes assists in enhancing the performance of pristine thin film composite (TFC) membrane in both flux and salt rejection with values around 35 L/m2 h and 90, respectively. © 2021 The Authors
publisher: Elsevier Ltd
date: 2021
type: Article
type: PeerReviewed
identifier:   Zainal Abidin, N.H. and Shafie, S.N.A. and Suhaimi, H. and Sambudi, N.S. and Sapiaa Md Nordin, N.A.H.  (2021) Incorporation of carboxyl and amino functionalized carbon quantum dots in thin film membrane for nanofiltration.  Polymer Testing, 100.   ISSN 01429418     
relation: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85107941896&doi=10.1016%2fj.polymertesting.2021.107270&partnerID=40&md5=db9b31a50145e5fe02b24a2e1e1615c7
relation: 10.1016/j.polymertesting.2021.107270
identifier: 10.1016/j.polymertesting.2021.107270