Multifunctional Thermally Activated Delayed Fluorescence Carbon Dots for Temperature‐Responsive Sensor, Information Encryption, and Organelle Imaging
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DOI: 10.1002/adfm.202405669
Abstract: Thermally activated delay fluorescence (TADF) has great potential for information encryption, temperature detection, and bioimaging due to its long‐lived luminescence, temperature‐sensitive and high signal‐to‐noise ratio. However, it is still a challenge to establish TADF in… read more here.
Keywords: carbon dots; thermally activated; information encryption; tadf ... See more keywords
In Situ Asymmetric Patterning for Information Encryption
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DOI: 10.1002/adfm.202409004
Abstract: Here, Ag nanoparticle asymmetric assembly arrays (NAAAs) are realized through a facile and inexpensive in situ asymmetric patterning process based on plasmonic nanochemistry. The growth of Ag NPs follows the asymmetric maximum plasmonic field region… read more here.
Keywords: situ asymmetric; information encryption; asymmetric patterning; patterning information ... See more keywords
Reprogrammable Supramolecular Fluorescent Polymers for Rewritable Information Encryption and Anti‐Counterfeiting
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DOI: 10.1002/adfm.202419865
Abstract: The development of rewritable information encryption technology with high security is essential to meet the increasing confidentiality needs, however, it remains challenging. Hence, a strategy using self‐growth technology and host–guest interaction to construct reprogrammable photoswitchable… read more here.
Keywords: information; fluorescent polymers; rewritable information; supramolecular fluorescent ... See more keywords
Carbon Black‐Containing Cholesteric Liquid Crystal Elastomers Enabling Multi‐Level Information Encryption and Multimode Actuation
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DOI: 10.1002/adfm.202517597
Abstract: Cholesteric liquid crystal elastomers (CLCEs) with a unique periodic helical arrangement of mesogens enable light‐selective reflection, allowing variable coloration for applications in static information encryption and dynamic biomimetic actuation. However, most of the CLCEs are… read more here.
Keywords: information; liquid crystal; actuation; cholesteric liquid ... See more keywords
Magnetic Domain Confined Printing of Programmable Organic Microcrystal Assemblies for Information Encryption
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DOI: 10.1002/adma.202108279
Abstract: Large‐scale assembly of organic micro/nanocrystals into well‐defined patterns with programmable structures is essential for applications such as information encryption at both high data density and high security level. Here, a magnetic‐field‐assisted approach that produces programmable… read more here.
Keywords: information; encryption; magnetic domain; microcrystal assemblies ... See more keywords
Bio‐Inspired Multiple Responsive NIR II Nanophosphors for Reversible and Environment‐Interactive Information Encryption
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DOI: 10.1002/adma.202416399
Abstract: Inspired by the natural responsive phenomena, herein the multiple responsive persistent luminescent Zn1.2Ga1.6Ge0.2O4:Ni2+ (ZGGO:Ni) nanoparticles with near‐infrared (NIR) II emission peak ≈1330 nm derived from the Ni2+ doping through controlled synthesis based on hydrothermal method… read more here.
Keywords: nir persistent; persistent luminescent; information encryption; multiple responsive ... See more keywords
Heterogeneous Polymer Multilayers Enabling Photoresponsive Nonreciprocal Patterns for Information Encryption
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DOI: 10.1002/adma.202506950
Abstract: Society has a growing demand for information security. The development of nonreciprocal patterns is a new approach for high‐security information encryption, but it is difficult to achieve due to its complexity in material design. Herein,… read more here.
Keywords: information; heterogeneous polymer; polymer multilayers; encryption ... See more keywords
Polarization‐Sensitive Artificial Optoelectronic Synapse Based on Anisotropic β‐Ga2O3 Single Crystal for Neuromorphic Vision Systems and Information Encryption
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DOI: 10.1002/adom.202401256
Abstract: A novel polarization‐sensitive artificial optoelectronic synapse based on β‐Ga2O3 single‐crystal is proposed in this work, featuring reconfigurable anisotropic vision. A series of polarization‐sensitive synaptic activities and polarization‐sensitive image recognition functions are successfully simulated using this… read more here.
Keywords: optoelectronic synapse; polarization; information encryption; polarization sensitive ... See more keywords
Orthogonal Photo‐ and Thermo‐Responsive Fluorescent Polymeric Hydrogels for Multi‐Level Information Encryption and Anti‐Counterfeiting
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DOI: 10.1002/adom.202401604
Abstract: Stimulus‐responsive fluorescent polymeric materials (FPMs) that can change their fluorescent states via external stimuli have been widely applied in multi‐level information encryption and anti‐counterfeiting. While many efforts have mainly focused on the design of dual‐stimuli… read more here.
Keywords: multi level; level information; fluorescent; fluorescent polymeric ... See more keywords
Heterostructure of Hydrogen‐Bonded Organic Frameworks for White Light Emission and Information Encryption
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DOI: 10.1002/adom.202402321
Abstract: Two dumbbell‐shaped building blocks (TMB and TMBT), featuring methyl benzoate groups as hydrogen bond units, are selected to construct heterostructures of HOFs, aiming to achieve multiple functions including white luminescence, stimulus‐response behavior, as well as… read more here.
Keywords: light emission; fluorescence; white light; information encryption ... See more keywords
Multicolor and Hydrochromic Luminescence of Alloyed Cs2CdCl4 for Advanced Information Encryption
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DOI: 10.1002/adom.202402683
Abstract: Advanced optical information encryption usually relies on the integration of multicolor, stimulus‐responsive, and afterglow luminescence. However, achieving these simultaneously within a single‐phase system has posed challenges, complicating the design process. In this study, an advanced… read more here.
Keywords: information; multicolor hydrochromic; luminescence; advanced information ... See more keywords