The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: 2,5-Diphenyloxazole( cas:92-71-7 ) is researched.Safety of 2,5-Diphenyloxazole.Firdaus, Yuliar; Le Corre, Vincent M.; Karuthedath, Safakath; Liu, Wenlan; Markina, Anastasia; Huang, Wentao; Chattopadhyay, Shirsopratim; Nahid, Masrur Morshed; Nugraha, Mohamad I.; Lin, Yuanbao; Seitkhan, Akmaral; Basu, Aniruddha; Zhang, Weimin; McCulloch, Iain; Ade, Harald; Labram, John; Laquai, Frederic; Andrienko, Denis; Koster, L. Jan Anton; Anthopoulos, Thomas D. published the article 《Long-range exciton diffusion in molecular non-fullerene acceptors》 about this compound( cas:92-71-7 ) in Nature Communications. Keywords: mol non fullerene diffusion long range exciton. Let’s learn more about this compound (cas:92-71-7).
The short exciton diffusion length associated with most classical organic semiconductors used in organic photovoltaics (5-20 nm) imposes severe limits on the maximum size of the donor and acceptor domains within the photoactive layer of the cell. Identifying materials that are able to transport excitons over longer distances can help advancing our understanding and lead to solar cells with higher efficiency. Here, we measure the exciton diffusion length in a wide range of nonfullerene acceptor mols. using two different exptl. techniques based on photocurrent and ultrafast spectroscopy measurements. The acceptors exhibit balanced ambipolar charge transport and surprisingly long exciton diffusion lengths in the range of 20 to 47 nm. With the aid of quantum-chem. calculations, we are able to rationalize the exciton dynamics and draw basic chem. design rules, particularly on the importance of the end-group substituent on the crystal packing of nonfullerene acceptors.
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Reference:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica