Themed collection Room-temperature phosphorescence

Chiral covalent organic frameworks (COFs) have emerged as a promising class of circularly polarized luminescent (CPL) materials. This review systematically summarizes the synthesis and CPL activity of chiral COFs.

This review highlights the innovative design principles and applications of low-T_g polymer-based flexible RTP materials, paving the way for next-generation soft optoelectronics.

This review summarizes current research on boron-based RTP materials by focusing on molecular design, host–guest doping, and the underlying mechanisms of key properties, concluding with applications in anti-counterfeiting, displays, and bioimaging.

Utilize the heavy atom effect of hosts containing Group 15 elements to enhance the phosphorescence performance.

This study presents two new long-wavelength RTP co-crystals with acid/base-responsive properties, revealing the mechanism by tests, crystal analysis and calculations.

The isomerism of the triazole linker in a series of donor–acceptor emitters is found to impact the energies of both singlet and triplet excited states, leading to contrasting delayed fluorescence or room temperature phosphorescence.

Low-cost and gram-scale phosphorescence emitters and scalable emulsion polymerization facilitate organic afterglow coating material fabrication, which feature anti-fouling property, outstanding mechanical property, and a long phosphorescent lifespan.

Phenoxathiin derivatives show linearly temperature-dependent fluorescence-phosphorescence dual-emission properties in melamine-formaldehyde polymer films, with phosphorescence quantum yields and lifetimes exceeding 20% and 1 second, respectively.

We report a combination strategy of a small-molecule matrix and a polymer matrix to tailor ultralong organic room temperature phosphorescence (UORTP).

Acceptor engineering has been demonstrated to design D–O–A based pure organic room-temperature electrophosphorescent polymers, enabling fine color modification from sky-blue to yellow in PLEDs.

We present a strategy to realize 3D-printable organic room-temperature phosphorescent (RTP) elastomers based on N-ethylcarbazole derivatives combining. The printed structures achieved unification between elastic deformability and ultralong RTP.

We developed a color-tunable CPP system via energy transfer in brominated CLCs, achieving high quantum yield, large dissymmetry, and helicity inversion through self-assembly.

2TA-BP-2TA exhibits highly efficient dual emission of fluorescence and room-temperature phosphorescence (RTP). Leveraging its oxygen-sensitive RTP characteristics, this single-component system enables ratiometric oxygen sensing.

A high-efficiency phosphorescence supramolecular polymer network was constructed via post-polymerization assembly, showing long lifetime of 316.0 ms with high quantum yield of 67.5%, and enabling applications in information processing and bioimaging.

We utilized a solvent-mediated crystal engineering strategy to synthesize three polymorphic copper-iodide clusters for elevating room-temperature phosphorescence.

Color tunable fluorescence and long-lived phosphorescence as well as white EL are achieved from single-chromophore polymers.

Chiral luminophore Ben-2Chol self-assembles into micrometer sheets in aggregates, achieving CPF. Its fibrous microcrystals show CPRTP with opposite polarization, g_lum of +6.0 × 10⁻³ (blue) and +1.0 × 10⁻³ (yellow-green), and 41.7 ms lifetime.

Room temperature phosphorescence CDs@phthalamide composites were synthesized in situ via a one-step hydrothermal method, and their photoluminescence mechanism and formation process were systematically investigated.

Organic room-temperature phosphorescence can be facilitated according to rational design principles that promote intersystem crossing and decrease non-radiative decay in aggregated states, demonstrating versatile applications across multiple fields.