Abstract
We report a high stability pH-responsive sensor based on group IV metal oxide (ZrO2 and HfO2) functionalized porous silicon (pSi). These hybrid metal oxide-pSi (MOx-pSi) materials were tested during repeated pH 2-12 cycling and during continuous UV illumination. The photoluminescence (PL) response proved to be fully reversible unlike uncoated pSi. The MOx-pSi sensor platform was also stable for at least three years.
Original language | English (US) |
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Pages (from-to) | 47-51 |
Number of pages | 5 |
Journal | Materials Letters |
Volume | 181 |
DOIs | |
State | Published - Oct 15 2016 |
Externally published | Yes |
All Science Journal Classification (ASJC) codes
- Materials Science(all)
- Condensed Matter Physics
- Mechanics of Materials
- Mechanical Engineering