Metal chalcogenide quantum dot-sensitized 1D-based semiconducting heterostructures for optical-related applications

Yue, Shiyu; Li, Luyao; McGuire, Scott C.; Hurley, Nathaniel; Wong, Stanislaus S.

doi:10.1039/c8ee02143k

Cited by 28 publications

(10 citation statements)

References 281 publications

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“…[ 37 , 38 , 39 , 40 ] The formation of ZnO NPs by this approach is highly appealing as ZnO NPs present wide technological applications due to their unique properties. These include electro‐optical properties, [ 41 , 42 ] which can be used in devices such as ultraviolet (UV) light‐emitting diodes (LEDs), [ 42 , 43 ] blue luminescent devices or UV lasers [ 44 ] ; photo(electro)catalytic water treatment, [ 45 , 46 , 47 ] antibacterial agents, [ 48 , 49 ] solar cells, [ 50 , 51 , 52 , 53 , 54 ] and others. [ 55 , 56 ] Such unique properties require not only the ZnO material to be nanosized, but also to be homogeneously dispersed without agglomeration.…”

Section: Resultsmentioning

confidence: 99%

Secured Nanosynthesis–Deposition Aerosol Process for Composite Thin Films Incorporating Highly Dispersed Nanoparticles

et al. 2022

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Application of nanocomposites in daily life requires not only small nanoparticles (NPs) well dispersed in a matrix, but also a manufacturing process that is mindful of the operator and the environment. Avoiding any exposure to NPs is one such way, and direct liquid reaction-injection (DLRI) aims to fulfill this need. DLRI is based on the controlled in situ synthesis of NPs from the decomposition of suitable organometallic precursors in conditions that are compatible with a pulsed injection mode of an aerosol into a downstream process. Coupled with low-pressure plasma, DLRI produces nanocomposite with homogeneously well-dispersed small nanoparticles that in the particular case of ZnO-DLC nanocomposite exhibit unique properties. DLRI favorably compares with the direct liquid injection of ex situ formed NPs. The exothermic hydrolysis reaction of the organometallic precursor at the droplet-gas interface leads to the injection of small and highly dispersed NPs and, consequently, the deposition of fine and controlled distribution in the nanocomposite. The scope of DLRI nanosynthesis has been extended to several metal oxides such as zinc, tin, tungsten, and copper to generalize the concept. Hence, DLRI is an attractive method to synthesize, inject, and deposit nanoparticles and meets the prevention and atom economy requirements of green chemistry.

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Section: Resultsmentioning

confidence: 99%

Secured Nanosynthesis–Deposition Aerosol Process for Composite Thin Films Incorporating Highly Dispersed Nanoparticles

et al. 2022

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“…(1) Due to their high aspect ratio, electrons can be transmitted in a direct path in nanowires; 180,181 (2) The large surface area can help enhance the contact area between the electrode and the electrolyte, resulting rapid charge transport, efficient material transport, and gas release in catalytic reactions; 182,183 (3) Compared with traditional crystalline materials, amorphous materials have a large number of unsaturated dangling bonds on the surface, providing higher electrochemical active area and more active sites;…”

Section: Synthesis Of 1d Amorphous Nanomaterialsmentioning

confidence: 99%

Recent Progress of Amorphous Nanomaterials

Kang

Yang

et al. 2023

Chem. Rev.

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Amorphous materials are metastable solids with only short-range order at the atomic scale, which results from local intermolecular chemical bonding. The lack of long-range order typical of crystals endows amorphous nanomaterials with unconventional and intriguing structural features, such as isotropic atomic environments, abundant surface dangling bonds, highly unsaturated coordination, etc. Because of these features and the ensuing modulation in electronic properties, amorphous nanomaterials display potential for practical applications in different areas. Motivated by these elements, here we provide an overview of the unique structural features, the general synthetic methods, and the potential for applications covered by contemporary research in amorphous nanomaterials. Furthermore, we discussed the possible theoretical mechanism for amorphous nanomaterials, examining how the unique structural properties and electronic configurations contribute to their exceptional performance. In particular, the structural benefits of amorphous nanomaterials as well as their enhanced electrocatalytic, optical, and mechanical properties, thereby clarifying the structure−function relationships, are highlighted. Finally, a perspective on the preparation and utilization of amorphous nanomaterials to establish mature systems with a superior hierarchy for various applications is introduced, and an outlook for future challenges and opportunities at the frontiers of this rapidly advancing field is proposed.

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“…Photocatalysis harnesses solar energy for chemical synthesis, water/ air purification, and energy generation by water splitting [1]. The product yield of these photochemical processes depends strongly on the efficacy of exciton generation and the charge carrier lifetime [2].…”

Section: Introductionmentioning

confidence: 99%

Lorentz force promoted charge separation in a hierarchical, bandgap tuned, and charge reversible NixMn(0.5−x)O photocatalyst for sulfamethoxazole degradation

Anwer

Park

2022

Applied Catalysis B: Environmental

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Metal chalcogenide quantum dot-sensitized 1D-based semiconducting heterostructures for optical-related applications

Abstract: In terms of understanding and tuning the optoelectronic behavior within functional devices, quantum dot (QD)-based heterostructures represent an excellent model system and opportunity for analyzing exciton dissociation and charge separation across a well-defined nanoscale interface.

Cited by 28 publications

References 281 publications

Secured Nanosynthesis–Deposition Aerosol Process for Composite Thin Films Incorporating Highly Dispersed Nanoparticles

Secured Nanosynthesis–Deposition Aerosol Process for Composite Thin Films Incorporating Highly Dispersed Nanoparticles

Recent Progress of Amorphous Nanomaterials

Lorentz force promoted charge separation in a hierarchical, bandgap tuned, and charge reversible NixMn(0.5−x)O photocatalyst for sulfamethoxazole degradation

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