3.3.4. SEM and EDX Analyses

The SEM image of *C. pentandra*/Ag-NPs is shown in Figure 11a. From the image, it shows that the attachment of *C. pentandra* /Ag-NPs distributed on the rough surface of treated *C. pentandra* fiber. The smaller size of *C. pentandra* /Ag-NPs in a spherical shape surface showing that the significant of *E. spiralis* extract as reducing and stabilizing agent for loading of Ag-NPs in the *C. pentandra* fiber surface. In the EDX spectrum, the Ag peak was detected at 3.0 KeV with a percentage of 5.1% as shown in Figure 11b. The appearance peak of C and O elements with the percentage of 75.6% and 19.3% respectively are corresponding to the cellulose compositions in the treated *C. pentandra* fiber.

**Figure 11.** (**a**) SEM image and (**b**) EDX spectra of *C. pentandra*/Ag-NPs.
