Silver clusters based sensor for Low content formaldehyde detection in colorimetric and fluorometric dual Mode

Yao, Decui; Wang, Yige; Li, Huanrong

doi:10.1016/j.snb.2019.127451

Cited by 47 publications

(36 citation statements)

References 41 publications

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“…3,21,24 Also, the detection of low content formaldehyde can be realized via colorimetric and fluorometric dual mode by monitoring the luminescent variation of the Ag NCs formatted in the Ag + -exchanged FAUY zeolite with mild thermal treatment. 19 In addition to the highly bright, tunable, and sensitive emission properties, recent research studies indicated that the Ag NCs are also efficient sensitizers for f−f transition rare earth (RE) ions like Eu 3+ , Dy 3+ , and Er 3+ when confined inside zeolites. 2,9,16,25−27 Formation of Ag NCs in RE-loaded zeolites can not only achieve enhanced emission intensity but also adjust luminescence performance by combining the visible emissions of Ag NCs and RE ions.…”

Section: ■ Introductionmentioning

confidence: 99%

“…It indicated that the growth rate of silver species follows a noncooperative Hill–Langmuir type behavior and is different in FAU zeolites, depending on the mobility of Ag + in the framework . In addition, some controllable conditions like the silver loading degree, thermal treatment temperature, counterbalancing cations, hydration state, and formaldehyde adsorption also greatly influence the luminescence performance of Ag NCs, ,,,,, which thus make the precise synthesis as well as the light emitting, sensing, and detecting applications of Ag NCs possible in zeolites. For example, studies about the effect of counterbalancing cations (such as Na + , Li + , K + , and Cs + ) on the luminescence properties of Ag NCs inside zeolites indicated that Ag NCs exhibited shifted emission wavelength in the presence of different co-cations and showed high emission intensity in the Li + -exchanged zeolites.…”

Section: Introductionmentioning

confidence: 99%

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Confinement of Highly Luminescent Silver Nanoclusters in FAUY Zeolite: A Study on the Formation Effects of Silver Nanoclusters and the Sensitization of Tb³⁺

Shi

et al. 2021

ACS Appl. Nano Mater.

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In this research, highly luminescent silver nanoclusters (Ag NCs) were prepared by using Na-FAUY zeolite as a scaffold to hinder their aggregation, and efficient energy transfer from Ag NCs to Tb3+ was realized in Ag+-Tb3+ dual-exchanged Na-FAUY zeolites and then proved by steady spectral and luminescence lifetime measurements. Furthermore, the effects of Ag+ loading amount, thermal treatment, and Tb3+ loading on the luminescence properties of Ag NCs were studied, and the optimized doping and preparing conditions were obtained. X-ray photoelectron spectroscopy together with spectral measurements indicated that the available sites for Tb3+ and Ag+ are competitive and Tb3+ doping may hinder the effective formation of Ag NCs. It is also indicated that the loading of Tb3+ may lead to reduced Si/Al ratios, which greatly influence the luminescence property and chemical state of Ag NCs, e.g., a high Si/Al ratio leads to blueshift emission and stronger ionic of Ag NCs. This research may benefit the design of Ag NCs-involved luminescent zeolites that have potential applications for photonic devices like LEDs and 3D displays.

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Section: ■ Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Confinement of Highly Luminescent Silver Nanoclusters in FAUY Zeolite: A Study on the Formation Effects of Silver Nanoclusters and the Sensitization of Tb³⁺

Shi

et al. 2021

ACS Appl. Nano Mater.

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“…Furthermore, a deeper understanding of the stimuli-response phenomena governing luminescent silver-zeolites based on their coordination ligands has expanded the palette of potential analytes to be monitored, such as the case of volatile organic compounds and biomolecules. [58][59][60][61] In particular, the use of Adv. Optical Mater.…”

Section: Molecular Sensing Using Silver-zeolite Compositesmentioning

confidence: 99%

Tunable Luminescence from Stable Silver Nanoclusters Confined in Microporous Zeolites

Romolini

Steele

Hofkens

et al. 2021

Advanced Optical Materials

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properties associated with nanoclusters' molecule-like structure and energetics. Most notably, metal nanoclusters rose to research prominence in connection to the discovery of outstanding optoelectronic properties and have found practical application within catalysis, bioimaging, lighting and molecular sensing. [1][2][3][4][5][6] However, nanocluster' stabilization remains a significant impediment owing to their tendency to merge and form ever-larger aggregates at the loss of their interesting properties. Therefore, research efforts have been devoted to developing novel synthetic strategies to stabilize isolated metal nanoclusters; [7] popular approaches have often taken the form of using organic scaffolds such as DNA/RNA, proteins, and polymers. [8][9][10][11][12][13][14][15][16] The use of organic molecules gives rise to high synthesis yields, good luminescence performance, and strong compatibility with living organism, making them excellent candidates as fluorophores. Unfortunately, a main drawback is their poor long-term stability, especially in solid form, hindering their application, e.g., within lighting devices. On the other hand, template-mediated strategies based on the self-organization of the metal nanocluster within a confined volume (so-called "ship-in-a-bottle" approach) provide a promising alternative, one where the size and shape of the final metal nanocluster are dictated by the spatial restrictions imposed by the rigid host nanostructure. [17] To date, common templating structures have included glass matrices, [18] metal-organic frameworks, [19] and porous aluminosilicate zeolite crystals. [20] Here, we will shine light on zeolites as a promising scaffold for the assembly of highly luminescent and functional silver nanoclusters (Ag-NCs) within their (nano)porous interior (Figure 1a-c). As a host framework, zeolites possess molecular-sized channels and cages which enable them to confine molecules or metal (oxide) clusters inside their crystalline interior in a controlled fashion. Moreover, the framework is negatively charged, requiring counter-balancing extra-framework cations, which can be easily replaced through simple exchange methods. As shown in Figure 1d, forming the caged Ag-NCs involves a scalable bottom-up approach, whereby Ag + ions are made to self-assemble into nanoclusters via energy-driven activation (thermal treatment, photoactivation, or X-rays irradiation). Once the cluster is assembled, its optical response can be further tuned by the intentional exchange of additional guest

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“…Article Online DOI: 10.1039/D1MA00341K dual-mode sensor can also be used for the detection of aldehydes in different media based on different optical signals.Taking advantage of high selectivity and sensitivity of Ag + towards FA, a dualmode sensor with LDL of 750 ppb in the presence of potentially interfering chemical substances (ethanol, ethyl acetate, benzene, etc.) was reported Li et al 163. The sensor was composed of Ag-zeolites of faujasite Y type with bright green fluorescence, which…”

mentioning

confidence: 93%

Optical chemosensors for the gas phase detection of aldehydes: mechanism, material design, and application

et al. 2021

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Silver clusters based sensor for Low content formaldehyde detection in colorimetric and fluorometric dual Mode

Cited by 47 publications

References 41 publications

Confinement of Highly Luminescent Silver Nanoclusters in FAUY Zeolite: A Study on the Formation Effects of Silver Nanoclusters and the Sensitization of Tb³⁺

Confinement of Highly Luminescent Silver Nanoclusters in FAUY Zeolite: A Study on the Formation Effects of Silver Nanoclusters and the Sensitization of Tb³⁺

Tunable Luminescence from Stable Silver Nanoclusters Confined in Microporous Zeolites

Optical chemosensors for the gas phase detection of aldehydes: mechanism, material design, and application

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Silver clusters based sensor for Low content formaldehyde detection in colorimetric and fluorometric dual Mode

Cited by 47 publications

References 41 publications

Confinement of Highly Luminescent Silver Nanoclusters in FAUY Zeolite: A Study on the Formation Effects of Silver Nanoclusters and the Sensitization of Tb3+

Confinement of Highly Luminescent Silver Nanoclusters in FAUY Zeolite: A Study on the Formation Effects of Silver Nanoclusters and the Sensitization of Tb3+

Tunable Luminescence from Stable Silver Nanoclusters Confined in Microporous Zeolites

Optical chemosensors for the gas phase detection of aldehydes: mechanism, material design, and application

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Confinement of Highly Luminescent Silver Nanoclusters in FAUY Zeolite: A Study on the Formation Effects of Silver Nanoclusters and the Sensitization of Tb³⁺

Confinement of Highly Luminescent Silver Nanoclusters in FAUY Zeolite: A Study on the Formation Effects of Silver Nanoclusters and the Sensitization of Tb³⁺