Titanium Dioxide-Based <svg style="vertical-align:-0.234pt;width:28.987499px;" id="M1" height="17.3125" version="1.1" viewBox="0 0 28.987499 17.3125" width="28.987499" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg"><g transform="matrix(.022,-0,0,-.022,.062,16.962)"><path id="x1D7D4" d="M470 688v-26q-108 -22 -172.5 -84.5t-93.5 -173.5q40 17 84 17q85 0 136 -54t51 -145q0 -105 -59 -170t-156 -65q-106 0 -169 77q-63 78 -63 210q0 176 139 297q64 54 118 73q62 22 185 44zM323 165q0 117 -20 164t-69 47q-26 0 -37 -10q-13 -10 -13 -121q0 -149 27 -202
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<table>Optical absorbance
spectra of Au NPs in solution, of Ti<svg height="15.5125" id="M63" style="vertical-align:-3.27605pt" version="1.1" viewbox="0 0 19.1625 15.5125" width="19.1625" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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<g transform="matrix(.012,-0,0,-.012,12.763,15.45)"><path d="M412 140l28 -9q0 -2 -35 -131h-373v23q112 112 161 170q59 70 92 127t33 115q0 63 -31 98t-86 35q-75 0 -137 -93l-22 20l57 81q55 59 135 59q69 0 118.5 -46.5t49.5 -122.5q0 -62 -29.5 -114t-102.5 -130l-141 -149h186q42 0 58.5 10.5t38.5 56.5z" id="x32"></path></g>
</svg>-Au film and of Ti<svg height="15.5125" id="M64" style="vertical-align:-3.27605pt" version="1.1" viewbox="0 0 19.1625 15.5125" width="19.1625" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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<g transform="matrix(.012,-0,0,-.012,12.763,15.45)"><path d="M412 140l28 -9q0 -2 -35 -131h-373v23q112 112 161 170q59 70 92 127t33 115q0 63 -31 98t-86 35q-75 0 -137 -93l-22 20l57 81q55 59 135 59q69 0 118.5 -46.5t49.5 -122.5q0 -62 -29.5 -114t-102.5 -130l-141 -149h186q42 0 58.5 10.5t38.5 56.5z" id="x32"></path></g>
</svg> film.</table>

Journal of Sensors

fig3

Figure 3

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Journal of Sensors

Titanium Dioxide-Based YX Surface Acoustic Wave Hydrogen Gas Sensors

Figure 3