Abstract
Controllable synthesis of 3-D mesoporous ZnO films is highly desirable for gas sensor application. Herein, we report a facile preparation of 3-D mesoporous ZnO film on Ag interdigitated electrodes substrate. The as-prepared ZnO film has a mesoporous walls ranging from 2–5nm, as revealed by XRD, SEM, and TEM. Importantly, the as-prepared 3-D ZnO film shows an excellent ethanol gas sensing.
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