Enhanced Red Emission in Ultrasound-Assisted Sol-Gel Derived ZnO/PMMA Nanocomposite

<div>(a) PL mechanism in the ZnO-PMMA composite; (b) stabilization of <svg height="14.7403pt" id="M14" style="vertical-align:-3.943601pt" version="1.1" viewbox="-0.0498162 -10.7967 21.0112 14.7403" width="21.0112pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M697 650H468L461 623L492 619C539 613 547 605 518 546C481 471 367 264 278 116H276C239 278 197 500 186 567C180 604 185 613 226 619L252 623L260 650H24L17 623C78 617 92 613 108 533L216 -11H247C365 200 515 462 560 529C616 612 624 615 689 623L697 650Z" id="g113-87"></path></g><g transform="matrix(.0091,0,0,-0.0091,9.224,-5.741)"><path d="M556 236V289H337V504H275V289H56V236H275V-4H337V236H556Z" id="g54-36"></path></g><g transform="matrix(.0091,0,0,-0.0091,14.784,-5.741)"><path d="M556 236V289H337V504H275V289H56V236H275V-4H337V236H556Z" id="g54-36"></path></g><g transform="matrix(.0091,0,0,-0.0091,7.332,3.784)"><path d="M750 359C750 550 603 667 427 667C199 667 24 499 24 287C24 100 166 -17 344 -17C573 -17 750 136 750 359ZM645 356C645 196 538 24 350 24C205 24 127 136 127 285C127 471 247 626 422 626C571 626 645 521 645 356Z" id="g50-80"></path></g></svg> induced by PMMA matrix; (c) band bending at ZnO-PMMA interfaces.</div>

Advances in Materials Science and Engineering

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Figure 5

Figure 5: Enhanced Red Emission in Ultrasound-Assisted Sol-Gel Derived ZnO/PMMA Nanocomposite 