Results 1 to 10 of about 21,674 (243)

Simple Vanilla Derivatives for Long-Lived Room-Temperature Polymer Phosphorescence as Invisible Security Inks

Research, 2021
Developing novel long-lived room-temperature polymer phosphorescence (RTPP) materials could significantly expand their application scope. Herein, a series of RTPP materials based on eight simple vanilla derivatives for security ink application are ...
Yongfeng Zhang, Zhonghao Wang, Yan Su, Yan Zheng, Wenji Tang, Chaolong Yang, Hailong Tang, Lunjun Qu, Youbing Li, Yanli Zhao   +9 more
doaj   +1 more source

Aqueous phase and amorphous state room temperature phosphorescence from a small aromatic carbonyl derivative

Materials Research Express, 2019
Harvesting triplet excitons via room temperature phosphorescence (RTP) in solution or amorphous state from purely organic chromophores is a formidable challenge. Supramolecular hybrid co-assembly between a brominated aromatic carbonyl derivative ( BrPhS )
Suman Kuila, Swadhin Garain, Muthusamy Eswaramoorthy, Subi J George   +3 more
doaj   +1 more source

Robust and Biocompatible Functionalization of ZnS Nanoparticles by Catechol-Bearing Poly(2-Methyl-2-Oxazoline)s. [PDF]

, 2018
Zinc sulfide (ZnS) nanoparticles (NPs) are particularly interesting materials for their electronic and luminescent properties. Unfortunately, their robust and stable functionalization and stabilization, especially in aqueous media, has represented a ...
Benetti, Em, Causin, V, De Fazio, Af, Gross, S., Ischia, G, Mognato, M, Morgese, G, Pedron, D, Piotto, C, Rosenboom, Jg   +9 more
core   +2 more sources

Impact of Fabrication Processes of Small-Molecule-Doped Polymer Thin-Films on Room-Temperature Phosphorescence

Frontiers in Physics, 2022
The development of organic materials displaying room-temperature phosphorescence is a research field that has attracted more and more attention in the last years.
Heidi Thomas, Katherina Haase, Tim Achenbach, Toni Bärschneider, Anton Kirch, Felix Talnack, Stefan C. B. Mannsfeld, Sebastian Reineke   +7 more
doaj   +1 more source

A diffuse reflectance comparative study of benzil inclusion within microcrystalline cellulose and beta-cyclodextrin [PDF]

, 2004
Diffuse reflectance and laser-induced techniques were used to study photochemical and photophysical processes of benzil adsorbed on two solid powdered supports, microcrystalline cellulose and beta-cyclodextrin.
Anabela S. Oliveira, Bera, Bhattacharya, Botelho do Rego, Da Silva, Das Mohapatra, Dutta, Encinas, Fessenden, Fischer, Hancock-Chen, Huggenberger, Isabel Ferreira Machado, José P. Da Silva, Knolle, Lehmann, Leigh, Lewis, Lucak, Lucak, Luis F. Vieira Ferreira, McGimpsey, Monroe, Monti, Morantz, Mukai, Okutsu, Ramamurthy, Scaiano, Shrestha, Szejtli, Vieira Ferreira, Vieira Ferreira, Vieira Ferreira, Vieira Ferreira, Vieira Ferreira, Vieira Ferreira, Vieira Ferreira, Vieira Ferreira, Vieira Ferreira, Wilkinson, Wilkinson, Wilkinson   +42 more
core   +1 more source

General Approach To Compute Phosphorescent OLED Efficiency

, 2018
Phosphorescent organic light-emitting diodes (PhOLEDs) are widely used in the display industry. In PhOLEDs, cyclometalated Ir(III) complexes are the most widespread triplet emitter dopants to attain red, e.g., Ir(piq)3 (piq = 1-phenylisoquinoline), and ...
Escudero, Daniel, Jacquemin, Denis, Peng, Qian, Shuai, Zhigang, Zhang, Xu   +4 more
core   +1 more source

Room-temperature phosphorescent transparent wood

Nature Communications
Transparent wood with high transmittance and versatility has attracted great attention as an energy-saving building material. Many studies have focused on luminescent transparent wood, while the research on organic afterglow transparent wood is an interesting combination.
Xixi Piao, Tengyue Wang, Xuefeng Chen, Guangming Wang, Xiangxiang Zhai, Kaka Zhang   +5 more
openaire   +2 more sources

Efficient Room-Temperature Luminescence of Indole-5-Carboxamide in Poly(vinyl alcohol) Films

Photochem
N-phenyl-1H-Indole-5-carboxamide (Ind-CA) exhibits previously unknown room-temperature phosphorescence (RTP) when immobilized in poly (vinyl alcohol) film (PVA film).
Bong Lee, Agnieszka Jablonska, Rajveer Sagoo, Danh Pham, Trang Thien Pham, Sergei V. Dzyuba, Zygmunt Gryczynski, Ignacy Gryczynski   +7 more
doaj   +1 more source

Continuous Condensed Triplet Accumulation for Irradiance‐Induced Anticounterfeit Afterglow

Advanced Science, 2023
Afterglow room‐temperature emission that is independent of autofluorescence after ceasing excitation is a promising technology for state‐of‐the‐art bioimaging and security devices.
Ende Hopsah Badriyah, Kikuya Hayashi, Bahadur Sk, Rina Takano, Takayuki Ishida, Shuzo Hirata   +5 more
doaj   +1 more source

Inverting Singlet and Triplet Excited States using Strong Light-Matter Coupling

, 2019
In organic microcavities, hybrid light-matter states can form with energies that differ from the bare molecular excitation energies by nearly 1 eV. A timely question, given recent advances in the development of thermally activated delayed fluorescence ...
Eizner, Elad, Kéna-Cohen, Stéphane, Martínez-Martínez, Luis A., Yuen-Zhou, Joel   +3 more
core   +1 more source