Beta-lapachone: Natural occurrence, physicochemical properties, biological activities, toxicity and synthesis

CL Gomes, VAW Sales, CG de Melo, RMF da Silva… - Phytochemistry, 2021 - Elsevier
Abstract β-Lapachone is an ortho-naphthoquinone originally isolated from the heartwood of
Handroanthus impetiginosus and can be obtained through synthesis from lapachol …

Benzothiadiazole based “hot exciton''materials for red electroluminescence with the maximum external quantum efficiency approaching 10%

JJ Zhu, G Liu, X Lian, JH Pang, Y Wang… - Journal of Materials …, 2022 - pubs.rsc.org
To achieve high exciton utilization of organic light-emitting diodes, the construction of donor–
acceptor (D–A) molecules with a “hot exciton” feature has been proved to be an effective …

Multilayer core–shell MoS 2/CdS nanorods with very high photocatalytic activity for hydrogen production under visible-light excitation and investigation of the …

Z Yan, L Du, DL Phillips - RSC advances, 2017 - pubs.rsc.org
Understanding the structural features and the dynamics and properties of charge carriers in
photocatalysts is critical to develop them for practical applications. Photocatalytic H2 …

Generation and direct observation of a triplet arylnitrenium ion

L Du, J Wang, Y Qiu, R Liang, P Lu, X Chen… - Nature …, 2022 - nature.com
Nitrenium ions are important reactive intermediates in both chemistry and biology. Although
singlet nitrenium ions are well-characterized by direct methods, the triplet states of nitrenium …

Photochemical activation of tertiary amines for applications in studying cell physiology

N Asad, D Deodato, X Lan, MB Widegren… - Journal of the …, 2017 - ACS Publications
Representative tertiary amines were linked to the 8-cyano-7-hydroxyquinolinyl (CyHQ)
photoremovable protecting group (PPG) to create photoactivatable forms suitable for use in …

Direct detection of the open-shell singlet phenyloxenium ion: an atom-centered diradical reacts as an electrophile

L Du, Y Qiu, X Lan, R Zhu, DL Phillips… - Journal of the …, 2017 - ACS Publications
A new photoprecursor to the phenyloxenium ion, 4-methoxyphenoxypyridinium
tetrafluoroborate, was investigated using trapping studies, product analysis, computational …

Detection of Ylide Formation between an Alkylidenecarbene and Acetonitrile by Femtosecond Transient Absorption Spectroscopy

SK Sarkar, M Ko, X Bai, L Du… - Journal of the …, 2021 - ACS Publications
Femtosecond laser flash photolysis of 3-(1 a, 9 b-dihydro-1 H-cyclopropa [l] phenanthren-1-
ylidene) tetrahydrofuran produces singlet 3-oxacyclopentylidenecarbene which reacts with …

Optical and EPR Detection of a Triplet Ground State Phenyl Nitrenium Ion

Y Qiu, L Du, SD Cady, DL Phillips… - Journal of the American …, 2024 - ACS Publications
Nitrenium ions are important reactive intermediates participating in the synthetic chemistry
and biological processes. Little is known about triplet phenyl nitrenium ions regarding their …

Intramolecular Photoredox Reaction Mechanism of Naphthoquinone Compounds: Combined Time-Resolved Spectroscopies and DFT Calculations

M Dai, M Duan, X Li, Y Guo, J Ma - The Journal of Physical …, 2023 - ACS Publications
Time-resolved spectroscopies and DFT calculations were utilized to investigate the
photoredox mechanisms of naphthoquinone compounds. 5-Methoxy-8-tetrahydropyrane-1 …

Direct observation of the triplet excited states and dynamics of platinum (II)-tetraphenylethylene complexes by time-resolved transient absorption spectroscopy

R Liang, W Xiong, X Bai, L Du… - The Journal of Physical …, 2021 - ACS Publications
Tetraphenylethylene (TPE) is one of the most widely utilized luminogens in aggregation-
induced emission research areas and is employed to cooperate with Pt (II) complexes to …