Спектроскопія триплетных екситонів у органічних сполуках: кристалічний і склоподібний бензофенон

Автор(и)

  • V.I. Melnyk Institute of Physics, Nat. Acad. of Sci. of Ukraine
  • G.V. Klishevich Institute of Physics, Nat. Acad. of Sci. of Ukraine
  • M.D. Curmei Institute of Physics, Nat. Acad. of Sci. of Ukraine

DOI:

https://doi.org/10.15407/ujpe71.4.376

Ключові слова:

триплетнi екситони, фосфоресценцiя, мiграцiя енергiї, молекулярнi кристали, бозонний пiк, розупорядкованi системи, бензофенон, органiчнi напiвпровiдники

Анотація

Наведено стислий огляд основних результатiв дослiджень спектрально-люмiнесцентних властивостей триплетних екситонiв у кристалiчному й склоподiбному бензофенонi, переважно виконаних в Iнститутi фiзики НАН України. Представлена також коротка iнформацiя про досягнення в галузi дослiджень триплетних екситонiв у органiчних напiвпровiдниках. Обговорюються особливостi фосфоресценцiї й природа структури склоподiбної фази бензофенону. Розглянуто умови iснування екситонної фосфоресценцiї в молекулярних кристалах. Проведено аналiз досягнень рiзних авторiв у галузi молекулярної спектроскопiї триплетного стану. Показано, що серед молекулярних кристалiв бензофенон є одним з найбiльш зручних об’єктiв для вивчення фосфоресценцiї й спектральних властивостей триплетного стану органiчних сполук.

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2026-04-21

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