Encapsulating gold nanoparticles in zeolitic imidazolate framework crystal for novel optical response

Pham, Thi Tan; Le, Long Ngoc; Nguyen, Hoa N.; Luong, Thoa Thi Kim; Pham, Thanh Ngoc; Nguyen, Ha L.; Nguyen, Truong Khang

doi:10.1016/j.poly.2018.04.002

Cited by 10 publications

(21 citation statements)

References 33 publications

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“…The spectra found at 278 cm −1 may be attributed to Zn-N stretching, while the spectra at 683, 1143, 1456, and 1508 cm −1 are attributed to imidazole ring puckering, C5-N vibrations, methyl bending, and C4=C5 stretching, respectively, which are similar to the observation of Tanaka et al [52]. The remaining spectra can be assigned to stretching and bending on the imidazole ring [53]. With doping of Zr into the ZIF-8 frameworks, the peaks at 1116 and 1484 disappeared with no significant change in main peaks on spectra [54].…”

Section: Catalyst Characterizationsupporting

confidence: 82%

Comparison of Catalytic Activity of ZIF-8 and Zr/ZIF-8 for Greener Synthesis of Chloromethyl Ethylene Carbonate by CO2 Utilization

Olaniyan

Saha

2020

Energies

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The catalytic activity of both ZIF-8 and Zr/ZIF-8 has been investigated for the synthesis of chloromethyl ethylene carbonate (CMEC) using carbon dioxide (CO2) and epichlorohydrin (ECH) under solvent-free conditions. Published results from literature have highlighted the weak thermal, chemical, and mechanical stability of ZIF-8 catalyst, which has limited its large-scale industrial applications. The synthesis of novel Zr/ZIF-8 catalyst for cycloaddition reaction of ECH and CO2 to produce CMEC has provided a remarkable reinforcement to this weak functionality, which is a significant contribution to knowledge in the field of green and sustainable engineering. The enhancement in the catalytic activity of Zr in Zr/ZIF-8 can be attributed to the acidity/basicity characteristics of the catalyst. The comparison of the catalytic performance of the two catalysts has been drawn based on the effect of different reaction conditions such as temperature, CO2 pressure, catalyst loading, reaction time, stirring speed, and catalyst reusability studies. Zr/ZIF-8 has been assessed as a suitable heterogeneous catalyst outperforming the catalytic activities of ZIF-8 catalyst with respect to conversion of ECH, selectivity and yield of CMEC. At optimum conditions, the experimental results for direct synthesis of CMEC agree well with similar literature on Zr/MOF catalytic performance, where the conversion of ECH, selectivity and the yield of CMEC are 93%, 86%, and 76%, respectively.

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Section: Catalyst Characterizationsupporting

confidence: 82%

Comparison of Catalytic Activity of ZIF-8 and Zr/ZIF-8 for Greener Synthesis of Chloromethyl Ethylene Carbonate by CO2 Utilization

Olaniyan

Saha

2020

Energies

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“…Hence, the performance of the photocatalyst will rely significantly on the optical properties chosen for the material. For example, in classic metals like Au and Ag, a smaller nanocrystal with higher carrier concentrations will lead to an increase in the LSPR on the visible light spectrum [22,23,25] . While, metals like Al and Ga can be more efficient in the UV region [30] .…”

Section: Fundamentals On Lsprmentioning

confidence: 99%

“…However, efficient interaction between Au plasmonic nanoparticles (PNPs) and PPF‐3_1 surface is crucial in order to enable the hot electron injection. The use of several surfactants like polyvinylpyrrolidone (PVP), cetyltrimethylammonium bromide (CTAB) among others is common to achieve this interaction [22,53] . This provides a protective barrier to avoid agglomeration and catalytic decays referred to deactivation of active sites.…”

Section: Sunlight‐driven Plasmonic Photocatalytic Reactions Over Retimentioning

confidence: 99%

“…Besides, other applications that involve LSPR metals and MOFs and ZIFs have been widely developed. For example, the use of plasmonic metals for optical and gas sensing processes have been widely studied [22,73–75] . The hot electron migration to the CB band of the semiconductor materials improves the capacity of the detection of specific compounds by the electrochemical properties inherent of each chemical species.…”

Section: Sunlight‐driven Plasmonic Photocatalytic Reactions Over Retimentioning

confidence: 99%

“…Compared with the semiconductor‐based photocatalysis that has been mainly used in the research area for several decades, photocatalytic reactions driven by localized surface plasmon resonance (LSPR) have received great interest. Plasmonic‐metal‐based semiconductor nanostructures have shown significant improvements in the performance of the photocatalyst in different fields such as biosensing, optical, reduction, and storage applications [14,20–22] . The photocatalytic enhancement, relies on the occurrence of decay of LSPR phenomena, where the electrons from the metal can be transferred onto the photocatalyst by different mechanisms depending on several critical factors [23] .…”

Section: Introductionmentioning

confidence: 99%

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Plasmonic Materials: Opportunities and Challenges on Reticular Chemistry for Photocatalytic Applications

et al. 2020

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Solar‐light harvesting materials currently represent a hot topic in catalysis due to the several applications where they can be used. Among the recent strategies to enhance the photocatalytic performance of semiconductor materials, plasmonic metals are trending. Coupling plasmonic metal nanoparticles with a semiconductor material can give unique synergistic effects and properties. Especially when reticular materials, like metal organic frameworks, are used to generate these plasmonic nanocomposites. Herein, a brief introduction to the localized surface plasmon resonance and reticular materials design and fabrication is given. Also, the advantages of plasmonic with reticular nanostructures are discussed. The following highlights summarize recent advances in sunlight‐driven plasmonic reactions (CO2 photoreduction, water depollution, gas sensing, and optical reactions). Theoretical and experimental approaches are discussed, regarding mechanistic phenomena of nanocomposites with reticular materials and surface plasmon metals. A proper discussion and perspective of the remaining challenges and future opportunities for plasmonic metals with reticular materials in the field of photocatalysis is given in the overview and conclusion.

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Nanoarchitectonics and catalytic performances of metal–organic frameworks supported metal nanoparticles

Wu,

Tang,

Zhang

et al. 2023

Applied Organom Chemis

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Metal–organic frameworks (MOFs) supported metal nanoparticles (MNPs) (MNPs@MOFs) composites, as a class of effective functional materials, have been extensively explored because of the synergetic effect of MOFs and MNPs. Lots of synthesized methods are developed to synthesize MNPs@MOFs composites. These strategies can be generally divided into four main synthesis strategies: ship‐in‐the‐bottle, bottle‐around‐the‐ship, one‐pot, and sandwich assembly approaches. In this review, the recent synthesized strategies are discussed and summarized for the design and fabrication of different MNPs@MOFs composites. Then, the catalytic applications of some MNPs@MOFs composites are presented. Lastly, the challenges and future perspectives are also pointed out in this hot research filed.

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Encapsulating gold nanoparticles in zeolitic imidazolate framework crystal for novel optical response

Cited by 10 publications

References 33 publications

Comparison of Catalytic Activity of ZIF-8 and Zr/ZIF-8 for Greener Synthesis of Chloromethyl Ethylene Carbonate by CO2 Utilization

Comparison of Catalytic Activity of ZIF-8 and Zr/ZIF-8 for Greener Synthesis of Chloromethyl Ethylene Carbonate by CO2 Utilization

Plasmonic Materials: Opportunities and Challenges on Reticular Chemistry for Photocatalytic Applications

Nanoarchitectonics and catalytic performances of metal–organic frameworks supported metal nanoparticles

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