A review of stability-enhanced luminescent materials: fabrication and optoelectronic applications

Liu, Jiahui; Yang, Zunxian; Ye, Bingqing; Zhao, Zhiwei; Ruan, Yushuai; Guo, Tao; Xia, Guanglin; Chen, Gengxu; Xu, Sheng

doi:10.1039/c8tc06292g

Cited by 45 publications

(31 citation statements)

References 125 publications

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“…In addition, the structural integrity of PNCs can be enhanced by encapsulation in inorganic matrixes or other organic materials (i.e., metal organic frameworks (MOFs)) with high water resistance and low oxygen diffusion rate. [189] Moreover, the development of PNC/polymer nanocomposites with self-healing capabilities has been proven to enhance the stability and retain the structural integrity of perovskite/polymer composites. [190] The unsatisfactory conductivity of PNC/polymer nanocomposites represents another challenge.…”

Section: Wwwadvmatde Wwwadvancedsciencenewscommentioning

confidence: 99%

Recent Advances in Synthesis, Properties, and Applications of Metal Halide Perovskite Nanocrystals/Polymer Nanocomposites

et al. 2021

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a 3D framework. The A-site cations occupy the cavity within the framework. Metal halide perovskites have a relatively soft lattice and a dynamically disordered crystal structure which results in tunable charge-carrier recombination rates and other nonclassical semiconductor characteristics. [1] Metal halide perovskites have been extensively studied for solar energy conversion over the past decade due to their intriguing optoelectronic properties, including near-perfect crystalline structures, [2] tunable direct bandgaps, [3] large absorption coefficient (1.5 × 10 4 cm −1 at 550 nm), [4] high ambipolar mobility (≈20 cm 2 V −1 s −1 ), [5] long carrier diffusion lengths (100-1000 nm; ≈175 µm in MAPbI 3 single crystals) (L eff,e /L eff,h < 1), [6] small exciton binding energy (≈30 meV), [7] high defect tolerance, [8] solution processability, and low processing cost. [9] Notably, the certified power conversion efficiency (PCE) of single-junction perovskite solar cells has rapidly increased from 3.8% in 2009 to 25.2% in 2019. [10] It is also notable that charge carriers within metal halide perovskites can undergo radiative recombination to emit light, making them promising candidates as next-generation light sources for light-emitting diodes (LEDs) [11] and lasers. [12] Bulk perovskite, however, exhibits limited photoluminescence quantum yield (PLQY) due to the presence of mobile ionic defects and small exciton binding energy. [13] In contrast, perovskite nanocrystals (PNCs) possess strong quantum confinement and display improved optoelectronic properties from their bulk counterparts. [14] Notably, metal halide PNCs possess high luminescence, narrow full width at half maximum, and a composition-and size-dependent bandgap. [15] The photoluminescence (PL) of metal halide PNCs can be readily tuned from ultraviolet (UV) to near-infrared wavelengths by simply tailoring their composition or altering their size relative to their Bohr diameters.Hot-injection and ligand-assisted reprecipitation methods represent the two most-developed colloidal synthesis approaches of metal halide PNCs. [13,16] The use of organic capping ligands in synthesis enables nanoscale growth of metal halide perovskite crystals and actively passivates their surface defects, in a manner similar to that of conventional NC Metal halide perovskite nanocrystals (PNCs) have recently garnered tremendous research interest due to their unique optoelectronic properties and promising applications in photovoltaics and optoelectronics. Metal halide PNCs can be combined with polymers to create nanocomposites that carry an array of advantageous characteristics. The polymer matrix can bestow stability, stretchability, and solution-processability while the PNCs maintain their size-, shape-and composition-dependent optoelectronic properties. As such, these nanocomposites possess great promise for next-generation displays, lighting, sensing, biomedical technologies, and energy conversion. The recent advances in metal halide PNC/polymer nanocomposites are summarized here. F...

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Section: Wwwadvmatde Wwwadvancedsciencenewscommentioning

confidence: 99%

Recent Advances in Synthesis, Properties, and Applications of Metal Halide Perovskite Nanocrystals/Polymer Nanocomposites

et al. 2021

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“…Various merits such as high color rendering index (CRI), high luminous efficiency (LE) and color coordinate of the Commission International de L'Eclairage (CIE) closer to the standard (0.33, 0.33) are required in WLED application. Since many review papers published recently had comprehensively listed the materials and parameters for HP-QD/matrix's application in WLED [53,54], here we just stated them briefly. In some works, two types of HP-QDs based composites were blended together as the green/red phosphors (Figure 8a of CIE and LE of 61.2 lm/W [74].…”

Section: White Light-emitting Diodesmentioning

confidence: 99%

“…Various materials including oxides, polymers, metallic ions, and many other organic and inorganic options have been explored in recent years. By diverse structures such as shelling the QDs at single-particle level, encapsulating the QDs into vast matrix, loading QDs onto the surface, ion-doping in the lattice of HP-QDs or forming HP-QDs/QDs nanocomposites, excellent results for HP-QDs based composites have been reported, showing outstanding improvement in stability and some other expected properties for enhanced performance in photonics, electronics, sensors and other fields (as shown in Scheme 1) [53,54]. The two fields of material synthesis methods and material applications can promote the developments of each other.…”

Section: Introductionmentioning

confidence: 99%

Recent advances in synthesis and application of perovskite quantum dot based composites for photonics, electronics and sensors

Wang

Ding

Mao

et al. 2020

Science and Technology of Advanced Materials

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“…The development of luminescent materials has indisputably fostered high-tech innovations and advanced the progress of research in optoelectronic devices. [1][2] The breakthroughs in apprehending the concept of the light-emitting process and their potential applications have opened new avenues to scientific advancement and have not only enabled us to realize the biochemical pathways which we never had access before but also allowed us to design novel materials for bio-sensing as well as optoelectronics applications. [3][4][5][6] However, designing a material that will fluoresce in the solid or aggregated state has always been a challenging task.…”

Section: Introductionmentioning

confidence: 99%

Troger's Base Derived Butterfly Shaped Contorted AIEgens for Dead Bacterial Cell‐Imaging

et al. 2021

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This work describes the design and synthesis of contorted dual emissive luminogen based on Tröger's base scaffold. The underlying principle of our design strategy was to use Tröger's base as the core scaffold and functionalize appropriately to avoid the detrimental π‐π stacking responsible for the emission quenching and induce RIR in the aggregated state and thereafter investigate their photophysical, electrochemical, and thermal properties. The unique white light emission of the fluorophores in the solid‐state together with excellent biocompatibility, photo, and thermal stabilities provided an opportunity for the application of one of the molecules for bacterial cell imaging. The luminogen was biocompatible and surprisingly possess an ability to selectively stain the dead bacterial cell debris, a unique property that can be exploited for the confirmation of cell lysis.

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A review of stability-enhanced luminescent materials: fabrication and optoelectronic applications

Abstract: This review mainly focuses on the recent important work on stability-enhanced strategies of luminescent materials. Various strategies on the fabrications have been summarized and corresponding optoelectronic applications are presented.

Cited by 45 publications

References 125 publications

Recent Advances in Synthesis, Properties, and Applications of Metal Halide Perovskite Nanocrystals/Polymer Nanocomposites

Recent Advances in Synthesis, Properties, and Applications of Metal Halide Perovskite Nanocrystals/Polymer Nanocomposites

Recent advances in synthesis and application of perovskite quantum dot based composites for photonics, electronics and sensors

Troger's Base Derived Butterfly Shaped Contorted AIEgens for Dead Bacterial Cell‐Imaging

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