2024
DOI: 10.1021/acsanm.3c06282
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Machine Learning-Guided Synthesis of Room-Temperature Phosphorescent Carbon Dots for Enhanced Phosphorescence Lifetime and Information Encryption

Diva Addini Maghribi Muyassiroh,
Fitri Aulia Permatasari,
Tomoyuki Hirano
et al.

Abstract: Room-temperature phosphorescent (RTP) carbon dots (CDs) have been increasingly used in many applications, including anticounterfeiting and information encryption. However, synthesizing RTP CDs with a specific average lifetime of phosphorescence remains a formidable challenge. A breakthrough is needed in formulating the synthesis process to find a suitable synthesis formulation to produce CDs with an optimal lifetime of phosphorescence. Machine learning (ML) has recently been successfully used for guiding mater… Show more

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“…Aggregations are also known to induce the formation of additional excited states that alter the primary emissive pathways, resulting in changes in emission wavelengths and fluorescence to phosphorescence transition due to intermetallic (such as aurophilic or coprophilic) interactions, which can be augmented by other noncovalent bonding (e.g., π–π, C–H···π, and hydrogen bonding). , For example, self-assembly of AuNCs modified by l -/ d -cysteine (L-/D-AuNCs) into ordered microstructures leads to chiral phosphorescence and dual mode pH-sensing and data encryption . Phosphorescent compounds have potential applications in energy storage, data encryption and security, imaging, electronic devices, and sensor fabrication. Recently, metal NC-based phosphorescent materials gained significant importance due to circularly polarized emission and direct implementation of phosphorescence-based optoelectronic device and sensors. , Thus, achieving energy and time tunable phosphorescence properties of metal NCs through ordered packing inside molecular crystals, by way of doping, may have important implications in the aforementioned applications.…”
mentioning
confidence: 99%
“…Aggregations are also known to induce the formation of additional excited states that alter the primary emissive pathways, resulting in changes in emission wavelengths and fluorescence to phosphorescence transition due to intermetallic (such as aurophilic or coprophilic) interactions, which can be augmented by other noncovalent bonding (e.g., π–π, C–H···π, and hydrogen bonding). , For example, self-assembly of AuNCs modified by l -/ d -cysteine (L-/D-AuNCs) into ordered microstructures leads to chiral phosphorescence and dual mode pH-sensing and data encryption . Phosphorescent compounds have potential applications in energy storage, data encryption and security, imaging, electronic devices, and sensor fabrication. Recently, metal NC-based phosphorescent materials gained significant importance due to circularly polarized emission and direct implementation of phosphorescence-based optoelectronic device and sensors. , Thus, achieving energy and time tunable phosphorescence properties of metal NCs through ordered packing inside molecular crystals, by way of doping, may have important implications in the aforementioned applications.…”
mentioning
confidence: 99%