Results 191 to 200 of about 21,674 (243)

Supramolecular Purely Organic Room-Temperature Phosphorescence

Accounts of Chemical Research, 2021
In recent years, purely organic room-temperature phosphorescence (RTP) has aroused wide concern and promotes the development of the supramolecular phosphorescence. Different from organic crystallization, polymerization, or matrix rigidification, supramolecular strategy mainly takes advantage of the synergy between supramolecular co-assembly and strong ...
Xin-Kun Ma, Yu Liu
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Room Temperature Phosphorescence of 5,6-Benzoquinoline

Methods and Applications in Fluorescence, 2023
Abstract Phosphorescence emission of 5,6-Benzoquinoline embedded in poly (vinyl alcohol) film has been studied at room temperature. A strong green long-lived emission was observed in films doped with 5,6-Benzoquinoline while illuminated on a UV plate. A broad phosphorescence emission spectrum is centered at about 500 nm.
Jose Chavez, Luca Ceresa, Emma Kitchner, Danh Pham, Zygmunt Gryczynski, Ignacy Gryczynski   +5 more
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Ultralong Room‐Temperature Phosphorescence from Boric Acid

Angewandte Chemie International Edition, 2021
AbstractFor a long time, phosphors with long‐lived emission are dominated by rare earth/transition metal ion‐doped sulfides and oxides. Recently, organic materials capable of emitting long‐lived room‐temperature phosphorescence (RTP) are reported, carbon skeletons are almost the exclusive structural feature of the conjugated luminophores.
Haoyue Zheng, Peisheng Cao, Yanying Wang, Xiaomei Lu, Peng Wu   +4 more
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Stimuli‐Responsive Polymers with Room‐Temperature Phosphorescence

Chemistry – A European Journal, 2022
AbstractTaking advantages of the impressing behaviors of room‐temperature phosphorescence (RTP), the explorations in RTP materials are not only limited to efficient emission and ultralong lifetime of phosphorescence. The discovery and creation of stimuli‐responsive properties have become the major pursuit, which will lay a solid foundation for future ...
Fan Gu, Xiang Ma
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Molecular Persistent Room-Temperature Phosphorescence from Tetraarylaminoboranes

Inorganic Chemistry, 2023
Herein, we report the synthesis, molecular structure, and optical features of tetrarylaminoboranes 1 (Mes2B-N(Ph)(C10H7)) and 2 (Mes2B-N(Ph)(C14H9)). In the solution state, 1 shows aggregation-induced emission enhancement and color switching, while 2 displays emission color switching and aggregation-caused quenching. At 77 K, frozen solutions of 1 show
Rajendra Prasad Nandi, Neena K. Kalluvettukuzhy, Sudhakar Pagidi, Pakkirisamy Thilagar   +3 more
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Organic room-temperature phosphorescence materials for bioimaging

Chemical Communications, 2023
Organic room-temperature phosphorescence (RTP) materials are currently the focus of research in the field of bioimaging. High performance of RTP materials and optimization in the preparation process of RTP nanoparticles are both important.
Yahui Zhang, Hairong Li, Mengdie Yang, Wenbo Dai, Jianbing Shi, Bin Tong, Zhengxu Cai, Zhouyu Wang, Yuping Dong, Xiaoqi Yu   +9 more
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Solid‐Phase Room‐Temperature Phosphorescence

ChemInform, 2005
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Robert J. Hurtubise, Allison L. Thompson, Sara E. Hubbard   +2 more
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Room temperature phosphorescence of indicans

The Analyst, 1990
The room temperature phosphorescence properties of tryptophan and the indicans indoxyl-β-D-glucoside [3-(β-D-glucosido)indole], 3-indoxylsulphate and 3-indoxylphosphate adsorbed on filter-paper were examined in the presence of the heavy ions caesium and iodide.
Catherine Hinga Haustein, Rick L. Garrels   +1 more
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Solid-Surface Room Temperature Phosphorescence

Applied Spectroscopy Reviews, 1992
Abstract Luminescence can be defined as radiation emitted from atoms or molecules as they undergo a radiative transition from an excited state to a lower energy state. After the absorption of incident radiation, the emission of a photon during the radiative transition is called photoluminescence.
Maryann Gunshefski, Jose J. Santana, James Stephenson, James D. Winefordnert   +3 more
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Room Temperature Phosphorescence Driven by Mechanochromism

Chemistry – An Asian Journal
AbstractMolecules exhibiting phosphorescence emission, with variation in its emission wavelength or intensity upon external mechanical force, are known as a phosphorescent mechanochromic materials (PMC). This review focuses on the development of organic mechanophosphorescent molecules and their emission in response to a mechanical stimulus, which can ...
Ramakant Gavale, Sandeep Kumar Pandit, Rajneesh Misra   +2 more
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