The surface morphologies of sol–gel-MMCNSs and sol–gel-MMPNSs fibers were observed by the scanning electron microscopy (SEM, JSM-6330F) which was bought from Japan Electron Optics Laboratory
The surface morphologies of sol–gel-MMCNSs and sol–gel-MMPNSsfibers were observed by the scanning electronmicroscopy (SEM, JSM-6330F) which was bought from JapanElectron Optics Laboratory