Tatiana V. Plakhova, Anna Yu. Romanchuk, Anastasia D. Konyukhova, Irina F. Seregina, Alexander E. Baranchikov, Roman D. Svetogorov, Maxwell W. Terban, Vladimir K. Ivanov and Stepan N. Kalmykov
{"title":"被忽视的表面羟基化对难溶性化合物溶解度的影响：二氧化铈案例研究","authors":"Tatiana V. Plakhova, Anna Yu. Romanchuk, Anastasia D. Konyukhova, Irina F. Seregina, Alexander E. Baranchikov, Roman D. Svetogorov, Maxwell W. Terban, Vladimir K. Ivanov and Stepan N. Kalmykov","doi":"10.1039/D4EN00014E","DOIUrl":null,"url":null,"abstract":"<p >Unexpectedly, the solubility of CeO<small><sub>2</sub></small> nanoparticles (NPs) at 25 °C does not depend on particle size, but is significantly affected by the sample's thermal pre-treatment. The classical interpretation of NPs' solubility proposed by the Gibbs–Thompson or Kelvin equations fails to describe the experimental data on CeO<small><sub>2</sub></small> solubility obtained in this study. Thermal treatment did not change the samples' morphological characteristics, while slightly affecting NP hydroxylation and local crystallinity. The differences in the solubility of dried and non-treated CeO<small><sub>2</sub></small> particles were most noticeable at pH < 4, and dissolved cerium concentration was much lower in the case of the dried sample. After prolonged storage (up to 4.5 years) of CeO<small><sub>2</sub></small> NPs in aqueous media, the solubility of dried samples gradually increased, while for non-treated samples it remained unchanged. Based on the example of CeO<small><sub>2</sub></small>, the dissolution laws of other less soluble nanomaterials should be reconsidered.</p>","PeriodicalId":73,"journal":{"name":"Environmental Science: Nano","volume":" 8","pages":" 3551-3562"},"PeriodicalIF":5.8000,"publicationDate":"2024-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Overlooked impact of surface hydroxylation on the solubility of less-soluble compounds: a case study of CeO2†\",\"authors\":\"Tatiana V. Plakhova, Anna Yu. Romanchuk, Anastasia D. Konyukhova, Irina F. Seregina, Alexander E. Baranchikov, Roman D. Svetogorov, Maxwell W. Terban, Vladimir K. Ivanov and Stepan N. Kalmykov\",\"doi\":\"10.1039/D4EN00014E\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p >Unexpectedly, the solubility of CeO<small><sub>2</sub></small> nanoparticles (NPs) at 25 °C does not depend on particle size, but is significantly affected by the sample's thermal pre-treatment. The classical interpretation of NPs' solubility proposed by the Gibbs–Thompson or Kelvin equations fails to describe the experimental data on CeO<small><sub>2</sub></small> solubility obtained in this study. Thermal treatment did not change the samples' morphological characteristics, while slightly affecting NP hydroxylation and local crystallinity. The differences in the solubility of dried and non-treated CeO<small><sub>2</sub></small> particles were most noticeable at pH < 4, and dissolved cerium concentration was much lower in the case of the dried sample. After prolonged storage (up to 4.5 years) of CeO<small><sub>2</sub></small> NPs in aqueous media, the solubility of dried samples gradually increased, while for non-treated samples it remained unchanged. Based on the example of CeO<small><sub>2</sub></small>, the dissolution laws of other less soluble nanomaterials should be reconsidered.</p>\",\"PeriodicalId\":73,\"journal\":{\"name\":\"Environmental Science: Nano\",\"volume\":\" 8\",\"pages\":\" 3551-3562\"},\"PeriodicalIF\":5.8000,\"publicationDate\":\"2024-07-05\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Environmental Science: Nano\",\"FirstCategoryId\":\"6\",\"ListUrlMain\":\"https://pubs.rsc.org/en/content/articlelanding/2024/en/d4en00014e\",\"RegionNum\":2,\"RegionCategory\":\"环境科学与生态学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"CHEMISTRY, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Environmental Science: Nano","FirstCategoryId":"6","ListUrlMain":"https://pubs.rsc.org/en/content/articlelanding/2024/en/d4en00014e","RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
Overlooked impact of surface hydroxylation on the solubility of less-soluble compounds: a case study of CeO2†
Unexpectedly, the solubility of CeO2 nanoparticles (NPs) at 25 °C does not depend on particle size, but is significantly affected by the sample's thermal pre-treatment. The classical interpretation of NPs' solubility proposed by the Gibbs–Thompson or Kelvin equations fails to describe the experimental data on CeO2 solubility obtained in this study. Thermal treatment did not change the samples' morphological characteristics, while slightly affecting NP hydroxylation and local crystallinity. The differences in the solubility of dried and non-treated CeO2 particles were most noticeable at pH < 4, and dissolved cerium concentration was much lower in the case of the dried sample. After prolonged storage (up to 4.5 years) of CeO2 NPs in aqueous media, the solubility of dried samples gradually increased, while for non-treated samples it remained unchanged. Based on the example of CeO2, the dissolution laws of other less soluble nanomaterials should be reconsidered.
期刊介绍：
Environmental Science: Nano serves as a comprehensive and high-impact peer-reviewed source of information on the design and demonstration of engineered nanomaterials for environment-based applications. It also covers the interactions between engineered, natural, and incidental nanomaterials with biological and environmental systems. This scope includes, but is not limited to, the following topic areas:
Novel nanomaterial-based applications for water, air, soil, food, and energy sustainability
Nanomaterial interactions with biological systems and nanotoxicology
Environmental fate, reactivity, and transformations of nanoscale materials
Nanoscale processes in the environment
Sustainable nanotechnology including rational nanomaterial design, life cycle assessment, risk/benefit analysis
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