Persistent luminescence instead of phosphorescence: History, mechanism, and perspective

Xu, Jian; Tanabe, Setsuhisa

doi:10.1016/j.jlumin.2018.09.047

Cited by 457 publications

(332 citation statements)

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“…Long‐persistent luminescent [ 1,2 ] (LPL) materials have demonstrated great potential and performance in multiple areas, such as life sciences, [ 3 ] the biomedical field, [ 2,4 ] and photovoltaics, [ 5 ] as they offer fascinating possibilities for their ability to store and slowly release excited state energy. For example in biomedical applications, LPL materials can be used postexcitation, overcoming any issue of autofluorescence.…”

Section: Figurementioning

confidence: 99%

Two Are Better Than One: A Design Principle for Ultralong‐Persistent Luminescence of Pure Organics

et al. 2020

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drawbacks. In addition to the higher material costs of these rare-earth metals, many inorganic LPLs require harsh synthetic procedures, [11] further increasing research costs. Organic LPL (OLPL) materials, [12][13][14][15][16] offer the promise of a multitude of benefits: easier synthesis, easier modification for targeted functionality, and easier processing. However, the development of OLPL materials has encountered many obstacles. To access long lived states in organic compounds, there have been many designs to exploit the excited triplet state. Though access to and from the triplet state is a forbidden process and once thought to be too inefficient for effective use at room temperature, [17] recent advances have vastly increased intersystem crossing efficiency by enhancing spin-orbit coupling (SOC) with the use of heteroatoms, [18,19] the carbonyl functional group, [20][21][22] heavy atom effects, [23][24][25][26][27] and multimer-enhanced intersystem crossing. [28][29][30][31][32] Equally important is protecting the long-lived triplet after its generation, due to the fact that they are particularly sensitive to molecular vibrational quenching and atmospheric oxygen. In this regard, recent works have accomplished this through the use of crystals, [33,34] metal-organic frameworks, [35] H-aggregation, [36] and others. [30,32,37] Although there have been many achievements in generating organic room-temperature Because of their innate ability to store and then release energy, longpersistent luminescence (LPL) materials have garnered strong research interest in a wide range of multidisciplinary fields, such as biomedical sciences, theranostics, and photonic devices. Although many inorganic LPL systems with afterglow durations of up to hours and days have been reported, organic systems have had difficulties reaching similar timescales. In this work, a design principle based on the successes of inorganic systems to produce an organic LPL (OLPL) system through the use of a strong organic electron trap is proposed. The resulting system generates detectable afterglow for up to 7 h, significantly longer than any other reported OLPL system. The design strategy demonstrates an easy methodology to develop organic long-persistent phosphors, opening the door to new OLPL materials.Long-persistent luminescent [1,2] (LPL) materials have demonstrated great potential and performance in multiple areas, such as life sciences, [3] the biomedical field, [2,4] and photo voltaics, [5] as they offer fascinating possibilities for their ability to store and slowly release excited state energy. For example in biomedical applications, LPL materials can be used postexcitation, overcoming any issue of autofluorescence. [6][7][8] Currently, the most successful LPL materials make use of transition and rare-earth metal ions. [9,10] Although the metals grant exceptionally long afterglows that range from minutes to hours, with some systems lasting days and weeks, [11] they are not without their inherentThe ORCID identification number(s) for the aut...

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Section: Figurementioning

confidence: 99%

Two Are Better Than One: A Design Principle for Ultralong‐Persistent Luminescence of Pure Organics

et al. 2020

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“…As a classical kind of ODS medium, photostimulated (PSL) materials with persistent luminescence (PersL) have attracted researchers' interest since their discovery because of their good erasable-rewritable ability and ultrafast writing speed [23][24][25][26][27][28][29][30] . The Quantex Corporation first evaluated its validity for ODS and extended the application to parallel Boolean logic operations and associative memory 23,24 .…”

Section: Introductionmentioning

confidence: 99%

High-security-level multi-dimensional optical storage medium: nanostructured glass embedded with LiGa5O8: Mn2+ with photostimulated luminescence

et al. 2020

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The launch of the big data era puts forward challenges for information preservation technology, both in storage capacity and security. Herein, a brand new optical storage medium, transparent glass ceramic (TGC) embedded with photostimulated LiGa 5 O 8 : Mn 2+ nanocrystals, capable of achieving bit-by-bit optical data write-in and read-out in a photon trapping/detrapping mode, is developed. The highly ordered nanostructure enables light-matter interaction with high encoding/decoding resolution and low bit error rate. Importantly, going beyond traditional 2D optical storage, the high transparency of the studied bulk medium makes 3D volumetric optical data storage (ODS) possible, which brings about the merits of expanded storage capacity and improved information security. Demonstration application confirmed the erasable-rewritable 3D storage of binary data and display items in TGC with intensity/ wavelength multiplexing. The present work highlights a great leap in photostimulated material for ODS application and hopefully stimulates the development of new multi-dimensional ODS media.

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“…Persistent luminescence, also commonly named as long afterglow, is a fascinating optical phenomenon whereby a material continues emitting light for seconds to hours after ceasing the excitation source. Phosphors exhibiting persistent luminescence have received substantial attention and have been widely used in safety displays, decorations, and emergency lighting . In particular, near‐infrared (NIR)‐emitting persistent phosphors can be employed for night‐vision surveillance and in vivo biological imaging .…”

Section: Introductionmentioning

confidence: 99%

Identifying Near‐Infrared Persistent Luminescence in Cr³⁺‐Doped Magnesium Gallogermanates Featuring Afterglow Emission at Extremely Low Temperature

Poelman

2019

Advanced Optical Materials

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Room‐temperature persistent phosphors emitting in a wide spectral range are extensively explored owing to their commercial interest in applications such as night‐vision signs and medical imaging. However, phosphors featuring long‐lasting near‐infrared emission at extremely low temperature are barely reported so far. Herein, a design of trivalent chromium‐activated magnesium gallogermanates (Mg1+xGa2−2xGexO4:Cr3+) is demonstrated that exhibit strong near‐infrared afterglow emission at low temperature, e.g., −80 °C. Notably, this new persistent phosphor can be efficiently activated even at these low temperatures. A combination of experimental characterizations together with simulations has identified its novel low‐temperature persistent luminescence and good capacity of stabilizing a large number of very shallow traps. The finding of this low‐temperature near‐infrared afterglow property opens up a new frontier for exploring persistent phosphors and provides an opportunity for novel applications at extreme conditions, such as cryopreservation of biological samples.

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Persistent luminescence instead of phosphorescence: History, mechanism, and perspective

Cited by 457 publications

References 459 publications

Two Are Better Than One: A Design Principle for Ultralong‐Persistent Luminescence of Pure Organics

Two Are Better Than One: A Design Principle for Ultralong‐Persistent Luminescence of Pure Organics

High-security-level multi-dimensional optical storage medium: nanostructured glass embedded with LiGa5O8: Mn2+ with photostimulated luminescence

Identifying Near‐Infrared Persistent Luminescence in Cr³⁺‐Doped Magnesium Gallogermanates Featuring Afterglow Emission at Extremely Low Temperature

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Persistent luminescence instead of phosphorescence: History, mechanism, and perspective

Cited by 457 publications

References 459 publications

Two Are Better Than One: A Design Principle for Ultralong‐Persistent Luminescence of Pure Organics

Two Are Better Than One: A Design Principle for Ultralong‐Persistent Luminescence of Pure Organics

High-security-level multi-dimensional optical storage medium: nanostructured glass embedded with LiGa5O8: Mn2+ with photostimulated luminescence

Identifying Near‐Infrared Persistent Luminescence in Cr3+‐Doped Magnesium Gallogermanates Featuring Afterglow Emission at Extremely Low Temperature

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Identifying Near‐Infrared Persistent Luminescence in Cr³⁺‐Doped Magnesium Gallogermanates Featuring Afterglow Emission at Extremely Low Temperature