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Investigating Charge-Induced Transformations of Metal Nanoparticles in a Radically-Inert Liquid: A Liquid-Cell TEM Study.

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Title: Investigating Charge-Induced Transformations of Metal Nanoparticles in a Radically-Inert Liquid: A Liquid-Cell TEM Study.
Authors: Koo, Kunmo1 (AUTHOR) kunmo.koo1@gmail.com, Seo, Jong Hyeok1,2 (AUTHOR) j.h.seo@kriss.re.kr, Lee, Joohyun1 (AUTHOR) joohyun.lee@kriss.re.kr, Lee, Sooheyong1,2 (AUTHOR) soobydoo@kriss.re.kr, Kwon, Ji-Hwan1,2 (AUTHOR) soobydoo@kriss.re.kr
Source: Nanomaterials (2079-4991). Nov2024, Vol. 14 Issue 21, p1709. 9p.
Subjects: Gold nanoparticles, Metal nanoparticles, Phase transitions, Transmission electron microscopy, Nanoparticles
Abstract: We present a novel in situ liquid-cell transmission electron microscopy (TEM) approach to study the behavior of metal nanoparticles under high-energy electron irradiation. By utilizing a radically-inert liquid environment, we aim to minimize radiolysis effects and explore the influence of charge-induced transformations. We observed complex dynamics in nanoparticle behavior, including morphological changes and transitions between amorphous and crystalline states. These transformations are attributed to the delicate interplay between charge accumulation on the nanoparticles and enhanced radiolysis, suggesting a significant role for charge-assisted processes in nanoparticle evolution. Our findings provide valuable insights into the fundamental mechanisms driving nanoparticle behavior at the nanoscale and demonstrate the potential of liquid-cell TEM for studying complex physicochemical processes in controlled environments. [ABSTRACT FROM AUTHOR]
Copyright of Nanomaterials (2079-4991) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Investigating Charge-Induced Transformations of Metal Nanoparticles in a Radically-Inert Liquid: A Liquid-Cell TEM Study.
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  Data: <searchLink fieldCode="AR" term="%22Koo%2C+Kunmo%22">Koo, Kunmo</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> kunmo.koo1@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Seo%2C+Jong+Hyeok%22">Seo, Jong Hyeok</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> j.h.seo@kriss.re.kr</i><br /><searchLink fieldCode="AR" term="%22Lee%2C+Joohyun%22">Lee, Joohyun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> joohyun.lee@kriss.re.kr</i><br /><searchLink fieldCode="AR" term="%22Lee%2C+Sooheyong%22">Lee, Sooheyong</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> soobydoo@kriss.re.kr</i><br /><searchLink fieldCode="AR" term="%22Kwon%2C+Ji-Hwan%22">Kwon, Ji-Hwan</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> soobydoo@kriss.re.kr</i>
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  Data: <searchLink fieldCode="JN" term="%22Nanomaterials+%282079-4991%29%22">Nanomaterials (2079-4991)</searchLink>. Nov2024, Vol. 14 Issue 21, p1709. 9p.
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  Data: <searchLink fieldCode="DE" term="%22Gold+nanoparticles%22">Gold nanoparticles</searchLink><br /><searchLink fieldCode="DE" term="%22Metal+nanoparticles%22">Metal nanoparticles</searchLink><br /><searchLink fieldCode="DE" term="%22Phase+transitions%22">Phase transitions</searchLink><br /><searchLink fieldCode="DE" term="%22Transmission+electron+microscopy%22">Transmission electron microscopy</searchLink><br /><searchLink fieldCode="DE" term="%22Nanoparticles%22">Nanoparticles</searchLink>
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  Label: Abstract
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  Data: We present a novel in situ liquid-cell transmission electron microscopy (TEM) approach to study the behavior of metal nanoparticles under high-energy electron irradiation. By utilizing a radically-inert liquid environment, we aim to minimize radiolysis effects and explore the influence of charge-induced transformations. We observed complex dynamics in nanoparticle behavior, including morphological changes and transitions between amorphous and crystalline states. These transformations are attributed to the delicate interplay between charge accumulation on the nanoparticles and enhanced radiolysis, suggesting a significant role for charge-assisted processes in nanoparticle evolution. Our findings provide valuable insights into the fundamental mechanisms driving nanoparticle behavior at the nanoscale and demonstrate the potential of liquid-cell TEM for studying complex physicochemical processes in controlled environments. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Nanomaterials (2079-4991) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.3390/nano14211709
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        Text: English
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      – SubjectFull: Metal nanoparticles
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      – SubjectFull: Phase transitions
        Type: general
      – SubjectFull: Transmission electron microscopy
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      – SubjectFull: Nanoparticles
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      – TitleFull: Investigating Charge-Induced Transformations of Metal Nanoparticles in a Radically-Inert Liquid: A Liquid-Cell TEM Study.
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            NameFull: Lee, Sooheyong
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            – D: 01
              M: 11
              Text: Nov2024
              Type: published
              Y: 2024
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