AI Article Synopsis
- A simple method was created to produce red fluorescent carbon nanodots (R-CDs) using citric acid and urea, showing strong red-emission properties at 610 nm.
- As the concentration of aluminum (Al) increased, the fluorescence at this wavelength decreased, allowing for effective monitoring of Al levels.
- The R-CDs demonstrated high sensitivity for Al detection, with a linear range of 0.5-60.0 μM and a low detection limit of 3.0 nM, successfully analyzing real samples with recovery rates between 97.12-102.05%.
Article Abstract
We developed a facile strategy for the fabrication of red fluorescent carbon nanodots (R-CDs) and demonstrated their applications for Al sensing. Red-emission carbon dots (CDs) were synthesized using a simple hydrothermal treatment with citric acid and urea as precursors, manifesting intriguing red-emission behaviour at 610 nm. With increasing Al concentration, the fluorescence band at 610 nm decreased gradually. Monitoring the intrinsic fluorescence variation (I ), as-prepared CDs were developed as an effective platform for fluorescent Al sensing, with a linear range of 0.5-60.0 μM and a detection limit of 3.0 nM. More importantly, R-CDs have been applied successfully to the analysis of Al in actual samples with satisfactory recoveries in the range 97.12-102.05%, which indicated that obtained CDs could be implemented as an effective tool for the identification and detection of Al in actual samples.
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| http://dx.doi.org/10.1002/bio.4666 | DOI Listing |
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