Inorganic Chemistry, Journal Year: 2024, Volume and Issue: 63(37), P. 17127 - 17133
Published: Sept. 3, 2024
Color-tunable room temperature phosphorescence (RTP) materials possess potential applications in multicolor imaging, multichannel anticounterfeiting, and information encryption. Herein, we synthesized two zero-dimensional cadmium-organic halides, (H-aepy)
Language: Английский
Advanced Optical Materials, Journal Year: 2025, Volume and Issue: unknown
Published: Jan. 28, 2025
Abstract Blue is one of the three primary colors, and it a crucial element in regulation application organic room‐temperature phosphorescence (ORTP). However, considerable Stokes shift small molecules presents challenge for creating blue afterglow materials. To address this, host‐guest‐doped materials are prepared by selecting compounds with similar structures self‐doping. This method effectively regulated long‐lasting phosphorescence. Additionally, persistent‐RTP long‐persistent luminescence (LPL) properties can be further enhanced incorporating rigid or flexible polymer network, dense environment between host guest. Remarkably, lifetime duration polymer‐assisted doped ≈5 times greater than those host‐guest crystal Apart from its high efficiency, environmental friendliness, easy synthesis, this ORTP material boasts thermal stability flexibility. Furthermore, demonstrates potential applications such as information encryption anti‐counterfeiting across various media, including paper, cotton thread, leaves.
Language: Английский
Citations
1
Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 160535 - 160535
Published: Feb. 1, 2025
Language: Английский
Citations
1
Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(46)
Published: July 9, 2024
Abstract In recent years, there is a growing interest in developing ultralong organic room‐temperature phosphorescence (ORTP) with lifetimes the range of seconds. As one important three primary colors, blue ORTP an indispensable core component RTP regulation and application, however, large Stokes shift characteristics pose certain challenges ORTP. Here, new family phosphors are synthesized realized through crystal assembly water phase. Remarkably, compared to materials obtained phases, enabled long‐lived up 2.3 s quantum yield reached as high 29.27%. addition efficient green form, such dark possessed thermal stability flexible tunability. Moreover, superiority selected components demonstrated by comparing them polymer proposed show great potential programmable information encryption/anti‐counterfeiting.
Language: Английский
Citations
7
Chemical Science, Journal Year: 2024, Volume and Issue: unknown
Published: Jan. 1, 2024
Smart optical materials with tunable fluorescence and room temperature phosphorescence (RTP) exhibit promising application prospects in the field of intelligent switches, information security,
Language: Английский
Citations
5
Journal of the American Chemical Society, Journal Year: 2024, Volume and Issue: unknown
Published: Dec. 16, 2024
Organic phosphorescence or thermally activated delayed fluorescence (TADF) scintillators, while effective in utilizing triplet excitons, are sensitive to temperature changes, which can impact radioluminescence performance. In this study, we have developed a type of temperature-adaptive organic scintillator with and TADF dual emission. These scintillators automatically switch modes enabling efficient from 77 400 K. The highest photoluminescence quantum yield light 83.2% 78,229 ± 562 photons MeV
Language: Английский
Citations
5
Smart Molecules, Journal Year: 2025, Volume and Issue: unknown
Published: Jan. 4, 2025
Abstract Stimulus‐responsive organic room temperature phosphorescent (RTP) materials have received significant attention in bioimaging, sensing, and data storage because of their controllable dynamic variability rapid response. Organic co‐crystals, with tailor‐designed optical properties through manipulation aggregate structures, proven to be very effective elucidating the structure‐property relationship RTP at molecular level. Therefore, enhancing rigid frameworks that promote intersystem crossing is a valid approach. Notably, realization co‐crystal performance by altering components or adjusting crystal lattices highly appealing; however, this has not been fully addressed. In study, an co‐crystal, 4,4′‐bipyridine (44BD), was employed as host, 1,4‐diiodotetrafluorobenzene (DITF) 4‐bromo‐2,3,5,6‐tetrafluorobenzoic acid (TFBA) were guests. The 44BD‐DITF exhibited orange RTP, whereas 44BD‐TFBA displayed bright yellow RTP. Crystal analysis theoretical calculations revealed dense packing abundant intermolecular interactions within these co‐crystals are crucial for emergence both show reversible acid/base stimulus response, is, exposure hydrochloric (HCl) fumes results quenching which can subsequently restored triethylamine (TEA) fumigation. This study presents approach towards switching thus offering opportunities development stimulus‐responsive next‐generation applications.
Language: Английский
Citations
0
Science China Materials, Journal Year: 2025, Volume and Issue: unknown
Published: Jan. 2, 2025
Language: Английский
Citations
0
Advanced Materials, Journal Year: 2025, Volume and Issue: unknown
Published: Jan. 26, 2025
Achieving organic red/near infrared (NIR) phosphorescence at high temperatures is theoretically challenging because of the severe nonradiative transitions excited triplet states with low energy gaps. This study realizes bright and persistent red/NIR afterglow excellent high-temperature resistance up to 413 K via highly efficient (≈100%) resonance transfer (PRET) from rationally designed branched luminogens as donors dyes acceptors, coupled optimized aggregated structures. According systematic investigations, abundant internal cavities formed by in solid ensure dye loading space limitation, which can considerably suppress temperatures, promoting a stability. Moreover, 16 types host-guest systems varied topological structures different various sizes confirm universality strategy. provides an approach achieve stable afterglow.
Language: Английский
Citations
0
npj Flexible Electronics, Journal Year: 2025, Volume and Issue: 9(1)
Published: Feb. 1, 2025
Stretchable afterglow materials have garnered widespread attention owing to their unique combination of optical properties and mechanical flexibility. However, achieving a crystal environment suppress the non-radiative transition triplet excitons poses challenge in constructing stretchable materials. Herein, we utilize an situ supersaturated crystallization strategy form microcrystals within hydrogel matrix. This approach enables emission with lifetime 695 ms while maintaining high stretchability tensile stress surpassing 398 kPa, extensibility over 400% water content 65.21%. Moreover, universal allows for conferring tunable performance. Successful demonstrations 3D printing anti-counterfeiting purposes showcase potential advanced applications printable hydrogels. investigation provides guidelines generally designing efficient hydrogels addresses inherent contradiction between flexibility rigid
Language: Английский
Citations
0
Published: Jan. 1, 2025
Language: Английский
Citations
0