Photoconversion of 6,13-α-diketopentacene in the crystalline phase

Literature Information

Publication Date 2014-05-21
DOI 10.1039/C4CP01607F
Impact Factor 3.676
Authors

Katsuki Tanaka, Mariko Oe


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Abstract

The photoconversion of a crystalline-phase precursor, 6,13-dihydro-6,13-ethanopentacene-15,16-dione (PDK), into pentacene was examined. Upon irradiation with 470 nm light, the photoconversion proceeded even in the crystalline phase. Although the rate of the crystalline phase photoconversion was much slower than that in solution, quantitative photoconversion was achieved upon lengthy photoirradiation. The photoconversion of PDK was also confirmed at the single μm-sized crystal level by observing fluorescence images and spectra of the PDK crystal using confocal microscopy. Destruction of the crystal was observed when some of the PDK molecules in the crystal were photoconverted into pentacene. These results indicate that the crystalline-phase photoconversion of PDK proceeded through the destruction of the crystal. Quantitative photoconversion was achieved as a result.

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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
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Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

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