Probing nanostructures under irradiation: Developing a charged particle induced luminescence based chemical sensing methodology

Morrison, Alexander H.E.; Hawkins, Quaid; Ghandi, Khashayar

doi:10.1016/j.cplett.2023.140325

Cited by 3 publications

(8 citation statements)

References 19 publications

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“…In conclusion, the MXene-SO 3 H/MB-50 thin film substrates show a good Raman enhancement factor (1.995 × 10 5 ), low RSD of Raman intensity (<16%), and good uniformity and reproducibility for prospective applications of SERS [44]. The present investigation provides new ideas for chemical modification and self-assembly of 2D solid inorganic materials (MXene, GO, etc), which can be used as probe matrices by forming organized composite nanostructures through a simple preparation process [45].…”

Section: Preparation and Characterization Of Mxene-based Lb Filmsmentioning

confidence: 75%

Recent developments in the preparation and assembly of two-dimensional plate materials in Langmuir–Blodgett films: a review

Zhao

Wang

et al. 2023

Nano Futures

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In recent years, two-dimensional (2D) plate materials have become the most attractive class of candidate materials with a wide range of potential applications due to their unique structural characteristics and physicochemical properties. Starting from graphene, 2D plate materials have become a large family with many members and diverse categories. Especially in the recent past years, we have made some significant breakthroughs in the field of 2D materials. Langmuir-Blodgett (LB) technology is an advanced technology for preparing ultrathin films with highly ordered molecules by using its unique dynamic interface in the preparation process, which can effectively control and adjust film material with layered nanostructures. With the advancement of LB technology, different thin film materials need to be prepared to realize various functions. This paper summarizes the research progress and future perspectives of LB technology based on 2D materials.

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Section: Preparation and Characterization Of Mxene-based Lb Filmsmentioning

confidence: 75%

Recent developments in the preparation and assembly of two-dimensional plate materials in Langmuir–Blodgett films: a review

Zhao

Wang

et al. 2023

Nano Futures

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“…The aforementioned study was expanded upon with a series of experiments. Concentration series on various sizes of aqueous solutions of gold nanoparticles were probed with an electron beam and their Cherenkov response was recorded [ 46 ]. The study substantiated the observations of Cherenkov “enhancement” in certain systems of gold nanoparticles ( Figure 4 ).…”

Section: Historical Overview (1953–1985)mentioning

confidence: 99%

“…However, we maintain that it is myopic to suggest that there are no significant differences. Our work demonstrates that differences between these curves are substantial enough to be leveraged into a spectroscopic tool [ 45 , 46 ].…”

Section: Historical Perspectivementioning

confidence: 99%

“…That is, such studies provide credence and legitimacy to subsequent Cherenkov spectroscopic research, either focusing on one use case or more general inquiries aiming to determine novel possible use cases. We are beginning to see such novelties with the results, described in Section 2.3.2 [ 45 , 46 ].…”

Section: Historical Perspectivementioning

confidence: 99%

“…Despite being proposed as early as the 1880s by Heviside [ 1 ] and independently by Sommerfield [ 2 ] and Kelvin [ 3 ], at the turn of the 20th century, this work was largely ignored by the scientific community and forgotten until the experimental detection of the phenomenon by Cherenkov and Vavilov in the 1930s [ 4 , 5 ], followed swiftly by a robust theoretical description from Frank and Tamm [ 6 , 7 , 8 , 9 ]. For these latter efforts Cherenkov, Frank, and Tamm were awarded the Nobel Prize in Physics in 1954, and in the decades following, Cherenkov light has seen widespread adoption in a host of various basic science, industrial, and medical fields [ 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31 , 32 , 33 , 34 , 35 , 36 , 37 , 38 , 39 , 40 , 41 , 42 , 43 , 44 , 45 , 46 , 47 , 48 ,…”

Section: Introductionmentioning

confidence: 99%

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Superluminal Molecular and Nanomaterial Probes Based on Fast Ions or Electrons

Morrison,

Srivatsa,

Ghandi

2024

Molecules

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This work reviews the progression of chemical analysis via Cherenkov emissions, i.e., Cherenkov Photometry and Cherenkov Emission Spectroscopy, from its introduction in the literature up to modern developments. In presenting the history of this field, we aim to consolidate the literature, both for reference and contextualization. We present an argument aiming to untangle why this corner of research has seen little progress while so many other directly related aspects of Cherenkov research have flourished, as well as speak to the progress of the field in recent years and prospective direction in years to come.

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Radiolytic reduction of silver nanoparticles probed in situ via Cherenkov spectroscopy

Morrison,

Landry,

Ghandi

2024

Can. J. Chem.

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Expanding on our previous efforts demonstrating the feasibility of extracting chemical information in steady-state systems of nanoparticles under irradiation, we demonstrate that the Cherenkov spectra can be used to observe chemical changes in real-time, in situ, and for non-equilibrium systems under irradiation. This is done by way of a dose-resolved measurement of the localized plasmon resonance absorption band associated with the formation and growth of silver nanoclusters and nanoparticles produced via radiolytic reduction of a solution of silver ion under exposure to an electron beam. Additionally, the method utilized in this study provided a significant resolution with a simplified optical system. This paves the way for a technique to determine similar changes in the material in medicinal, industrial (nuclear industry), and research applications – and indeed in any application involving ionizing radiation.

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Probing nanostructures under irradiation: Developing a charged particle induced luminescence based chemical sensing methodology

Cited by 3 publications

References 19 publications

Recent developments in the preparation and assembly of two-dimensional plate materials in Langmuir–Blodgett films: a review

Recent developments in the preparation and assembly of two-dimensional plate materials in Langmuir–Blodgett films: a review

Superluminal Molecular and Nanomaterial Probes Based on Fast Ions or Electrons

Radiolytic reduction of silver nanoparticles probed in situ via Cherenkov spectroscopy

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