Measurement of fluorescence in a rhodamine-123 doped self-assembled "giant" mesostructured silica sphere using a smartphone as optical hardware
- Publication Type:
- Journal Article
- Citation:
- Sensors, 2011, 11 (7), pp. 7055 - 7062
- Issue Date:
- 2011-07-01
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The blue OLED emission from a mobile phone was characterized, revealing a sharp emission band centered at X = 445 nm with a 3dB bandwidth Δ ~ 20 nm. It was used to excite Rhodamine 123 doped within a -giant{norm of matrix} mesostructured silica sphere during fabrication through evaporative self-assembly of silica nanoparticles. Fluorescence was able to be detected using a standard optical microscope fitted with a green transmission pass filter and cooled CCD and with 1 ms exposure time demonstrating the potential of mobile platforms as the basis for portable diagnostics in the field. © 2011 by the authors; licensee MDPI, Basel, Switzerland.
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