Journal
ANALYST
Volume 139, Issue 16, Pages 3866-3870Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4an00251b
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Funding
- NRF [2012002547, 2012R1AA1027750]
- Ministry of Education, Science and Technology
- Environmental-Fusion Project, Korea [191-091-004]
- Next-Generation BioGreen 21 Program (SSAC) [PJ009041022012]
- Rural Development Administration, Korea
- National Research Foundation of Korea [2012R1A2A2A01002547] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- Rural Development Administration (RDA), Republic of Korea [PJ009041022012] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Functionalized mesoporous SiO2 nanoparticles are useful as colorimetric and fluorometric logic gates, which with various inputs such as metal ions induce photoinduced electron transfer (PET) and internal charge transfer (ICT) processes. We have demonstrated that metal ions acting as modulators in BODIPY-functionalized mesoporous SiO2 can generate absorbance changes in accordance with the operation of a half-adder digital circuit. In addition, a NAND logic gate in the emission mode was obtained which exploited a different binding affinity for metal ions for different ligands.
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