TABIIY KO‘MIRLAR ASOSIDA UGLERODLI NUQTALAR (CARBON DOTS) OLISH VA ULARNING SUVLI MUHITDAGI KOLLOID-KIMYOVIY XUSUSIYATLARI
DOI:
https://doi.org/10.47390/ydif-y2026v2i18/n04Ключевые слова:
Carbon dots, uglerodli nuqtalar, tabiiy ko‘mir, nanomaterial, kolloid kimyo, suvli dispersiya, zeta-potensial, agregatsiya, lyuminessensiya.Аннотация
Ushbu tezisda tabiiy ko‘mirlar asosida uglerodli nuqtalar (Carbon dots) olish va ularning suvli muhitdagi kolloid-kimyoviy xususiyatlarini o‘rganishning ilmiy-amaliy ahamiyati yoritilgan. Carbon dotslar nanometr o‘lchamdagi uglerod asosidagi zamonaviy nanomateriallar bo‘lib, ularning sirtida gidroksil, karboksil, karbonil kabi funksional guruhlar mavjud bo‘lishi mumkin. Tabiiy ko‘mirning uglerodga boyligi, mavjudligi va nisbatan arzonligi uni Carbon dots olish uchun istiqbolli xomashyo sifatida ko‘rib chiqish imkonini beradi. Sintez sharoiti, xomashyo tarkibi, harorat va vaqt kabi omillar hosil bo‘ladigan nanomaterialning o‘lchami, strukturasi, sirt xususiyatlari va optik xossalariga ta’sir ko‘rsatadi. Olingan Carbon dotslarning suvli dispersiyasida zarracha o‘lchami, sirt zaryadi, zeta-potensiali, agregatsiyasi, pH ga bog‘liqligi va dispersion barqarorligini o‘rganish ularning kolloid-kimyoviy tabiatini aniqlashda muhim ahamiyatga ega.
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