najoNanosystems: Physics, Chemistry, MathematicsНаносистемы: физика, химия, математика2220-80542305-7971Университет ИТМО10.17586/2220-8054-2023-14-3-372-379najo-329Research ArticleCHEMISTRY AND MATERIALS SCIENCEХИМИЯ И НАУКА О МАТЕРИАЛАХStable hydrosol prepared by deaggregation from laser synthesis nanodiamondПолучение и свойства деагломерированного золя наноалмаза лазерного синтезаhttps://orcid.org/0000-0002-5004-6993АлексенскийА. Е.AleksenskiiA. E.

Алексенский Александр Евграфович 

Aleksandr E. Aleksenskii – Division of Solid State Electronics

Polytechnicheskaya 26, 194021 St. Petersburg

blin@mail.ioffe.ruhttps://orcid.org/0000-0002-5524-7233БайдаковаМ. В.BaidakovaM. V.

Байдакова Марина Владимировна

Marina V. Baidakova – Division of Solid State Electronics

Polytechnicheskaya 26, 194021 St. Petersburg

baidakova@mail.ioffe.ruhttps://orcid.org/0000-0003-3140-0245ТрофимукА. ДимитриевичTrofimukA. D.

Трофимук Андрей Димитриевич 

Andrey D. Trofimuk – Division of Solid State Electronics

Polytechnicheskaya 26, 194021 St. Petersburg

trofimuk.ad@mail.ioffe.ruhttps://orcid.org/0000-0002-7655-294XТудуповаБ. Б.TudupovaB. B.

Тудупова Билигма Болотовна 

Biligma B. Tudupova – Division of Solid State Electronics

Polytechnicheskaya 26, 194021 St. Petersburg

biligma0201@gmail.comhttps://orcid.org/0000-0002-0120-5847ЧижиковаА. С.ChizhikovaA. S.

Чижикова Анастасия Сергеевна 

Anastasia S. Chizhikova – Division of Solid State Electronics

Polytechnicheskaya 26, 194021 St. Petersburg

chizhikova@mail.ioffe.ruhttps://orcid.org/0000-0002-5417-7472ШвидченкоА. В.ShvidchenkoA. V.

Швидченко Александр Валерьевич 

Aleksandr V. Shvidchenko – Division of Solid State Electronics

Polytechnicheskaya 26, 194021 St. Petersburg

avshvid@mail.ioffe.ruIoffe InstituteRussian Federation202330062025143372379Copyright © Aleksenskii A.E., Baidakova M.V., Trofimuk A.D., Tudupova B.B., Chizhikova A.S., Shvidchenko A.V., 20252025Алексенский А.Е., Байдакова М.В., Трофимук А.Д., Тудупова Б.Б., Чижикова А.С., Швидченко А.В.Aleksenskii A.E., Baidakova M.V., Trofimuk A.D., Tudupova B.B., Chizhikova A.S., Shvidchenko A.V.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://nanojournal.ifmo.ru/jour/article/view/329

The new applications of nanodiamond in biology and nuclear physics require the use of products with a low content of impurities. One of the possible methods for obtaining a high-purity nanodiamond is the recently developed laser synthesis method. The aim of this work was to study the state of aggregation of laser synthesis nanodiamond particles in aqueous suspensions and to test the possibility of deaggregation of laser nanodiamond. The process of deaggregation of a laser synthesis nanodiamond is investigated. It was shown that the previously described process of deaggregation by milling with baking soda and the usual process of deaggregation give almost the same results. A solid phase from a colloidal solution of a laser synthesis nanodiamond has been isolated and investigated. The low content of impurities in the studied product was confirmed (less than 0.1% at.), the Raman, IR, and EPR spectra were studied.

В настоящее время активно исследуются возможности использования наноалмазов в биологии и ядерной физике. Эти области применения требуют использования продуктов с низким содержанием примесей. Одним из возможных методов получения наноалмаза высокой чистоты является недавно разработанный метод лазерного синтеза. Целью данной работы было изучение агрегатного состояния частиц наноалмаза лазерного синтеза в водных суспензиях и проверка возможности дезагрегации лазерного наноалмаза без использования дополнительных реагентов, являющихся потенциальными загрязнителями. Исследован процесс дезагрегации наноалмаза лазерного синтеза. Было показано, что описанный ранее процесс деагрегации путем измельчения с пищевой содой и обычный процесс деагрегации без использования каких-либо добавок дают почти одинаковые результаты. Выделена и исследована твердая фаза из коллоидного раствора наноалмаза лазерного синтеза. Было подтверждено низкое содержание примесей в исследуемом продукте (менее 0,1% ат.), изучены спектры комбинационного рассеяния света, ИК и ЭПР.

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The authors declare that there are no conflicts of interest present.