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0411U002128,
к.ф.-м.н.
11-04-2011
o
Energy spectrum and kinetics of electronic excitations in CdSe and CdS nanoparticles
Davydenko Mariia Oleksiivna,
popup.head Dmitruk Igor Mykolajovych
popup.opponent Рудько Галина Юріївна
popup.opponent Бондар Микола Володимирович
Дисертацію присвячено дослідженню кінетики утворення, накопичення, релаксації електронних збуджень в наночастинках CdSe та CdS, а також їх реакції на зовнішні впливи. Методами часороздільної спектроскопії отримано характерні часи 3, 20 та 50 пс, які інтерпретовані як часи життя біекситона, екситона та локалізованого екситона, відповідно. Запропоновано модель впливу електричного поля на процеси рекомбінації. Вперше методом термостимульованої люмінесценції досліджено колоїдні наночастинки CdSe та CdS. З експериментів по селективному лазерному фототравленню наночастинок CdSe оцінено однорідний стоксівський зсув.
2011-04-11
2020-04-04
Updated: 2025-12-08
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