Hollow structures with high complexity in shell architecture and composition have attracted tremendous interest because of their great importance for both fundamental studies practical applications. Herein we report the designed synthesis novel box-in-box nanocages (NCs) different compositions, namely, Co3O4/NiCo2O4 double-shelled (DSNCs). Uniform zeolitic imidazolate framework-67/Ni-Co layered double hydroxides yolk-shelled are first synthesized then transformed into DSNCs by thermal...

Prussian blue analogue (PBA)-derived carbon coated porous nickel phosphides nanoplates exhibit enhanced electrocatalytic activity for oxygen evolution reaction.

Abstract Lithium–sulfur batteries show advantages for next-generation electrical energy storage due to their high density and cost effectiveness. Enhancing the conductivity of sulfur cathode moderating dissolution lithium polysulfides are two key factors success lithium–sulfur batteries. Here we report a host that overcomes both obstacles at once. With inherent metallic strong adsorption capability lithium-polysulfides, titanium monoxide@carbon hollow nanospheres can not only generate...

Nickel and cobalt incorporated MoS2 nanoboxes are synthesized via the reaction between Ni–Co Prussian blue analogue nanocubes ammonium thiomolybdate. Due to structural compositional advantages, these well-defined manifest enhanced electrochemical activity as an electrocatalyst for hydrogen evolution reaction. As a service our authors readers, this journal provides supporting information supplied by authors. Such materials peer reviewed may be re-organized online delivery, but not copy-edited...

The biosynthesis of nanoparticles has received increasing attention due to the growing need develop safe, cost-effective and environmentally friendly technologies for nano-materials synthesis. In this report, silver (AgNPs) were synthesized using a reduction aqueous Ag+ ion with culture supernatants Aspergillus terreus. reaction occurred at ambient temperature in few hours. bioreduction AgNPs was monitored by ultraviolet-visible spectroscopy, obtained characterized transmission electron...

Abstract Hybrid hollow nanostructures with tailored shell architectures are attractive for electrochemical energy storage applications. Starting metal–organic frameworks (MOFs), we demonstrate a facile formation of hybrid nanoboxes complex architecture where CoSe‐enriched inner is intimately confined within carbon‐enriched outer (denoted as CoSe@carbon nanoboxes). The synthesis realized through manipulation the template‐engaged reaction between Co‐based zeolitic imidazolate framework...

Yolk‐shelled particles with tailored physical and chemical properties are attractive for electrochemical energy storage. Starting metal acetate hydroxide tetragonal prism‐like shapes, yolk‐shelled Ni–Co mixed oxide nanoprisms tunable composition have been prepared by simple thermal annealing in air. It is found that the structure formed due to fast thermally driven contraction process. With favorable porous composition, these manifest greatly enhanced when evaluated as electrodes both hybrid...

Constructing ordered hierarchical porous structures while maintaining their overall crystalline order is highly desirable but remains an arduous challenge. Herein, we successfully achieve the growth of single-crystalline metal-organic frameworks (MOFs) in three-dimensional (3D) macroporous template voids by a saturated solution-based double-solvent-assisted strategy with precise control over nucleation process. The as-prepared macro-microporous Co-based MOFs (SOM ZIF-67) exhibit structure...

As a unique class of modular nanomaterials, metal-organic framework (MOF) nanoparticles have attracted widespread interest for use in various fields because their diverse chemical functionalities, intrinsic microporosity, and three-dimensional (3D) nanoarchitectures. However, endowing MOF nanomaterials with precisely controlled structural symmetries hierarchical macro/mesoporosities remains formidable challenge the researchers. Herein, we report facile noncentrosymmetric pore-induced...

A very simple cooperative template-directed coating method is developed for the preparation of core–shell, hollow, and yolk–shell microporous carbon nanocomposites. Particularly, cationic surfactant C16TMA+·Br− used in procedure improves core dispersion reaction media serves as soft template mesostructured resorcinol–formaldehyde resin formation, which results uniform polymer shell on most functional cores with different surface properties. The diameter thickness nanocomposites can be...

We report an anisotropic-kinetics transformation strategy to prepare single-crystalline aluminosilicate MFI zeolites (ZSM-5) with highly open nanoarchitectures and hierarchical porosities. The methodology relies on the cooperative effect of in situ etching recrystallization evolution pure-silica zeolite (silicalite-1) nanotemplates under hydrothermal conditions. enables a controllable preparation ZSM-5 nanostructures diverse geometries by tuning relative rate difference between processes....

The anisotropic surface functionalization of microporous zeolites with mesoporous materials into hierarchically porous heterostructures distinctive physical and chemical properties is expected to significantly extend their applicability catalysis. However, the precise control chemistry zeolite crystals through site-specific interconnection remains a grand challenge. Here, we report regioselective assembly strategy for region-specific growth polymer/carbon on nanocrystals. approach enables...

Abstract Hollow multi-shell mesoporous metal–organic framework (MOF) particles with accessible compartmentalization environments, plentiful heterogeneous interfaces, and abundant diversity are expected to hold great potential for catalysis, energy conversion, biotechnology. However, their synthetic methodology has not yet been established. In this work, a facile dual-template-directed successive assembly approach developed the preparation of monodisperse hollow MOF (UiO-66-NH 2 ) through...

ConspectusZeolites are important inorganic crystalline materials with unique microporous structures, intrinsic acidic sites, and high hydrothermal stabilities, which have been widely used in the catalytic field such as methanol conversion, cracking, NOx removal. Although regular channel structures afford zeolite catalysts excellent shape selectivity, diffusion hindrance caused by narrow pores (typically less than 2 nm) significantly limits their activities lifetimes. Introducing secondary...

Metal–organic frameworks (MOFs) have garnered significant attention in the field of catalysis due to their unique advantages such as diverse coordination geometry, variable metal nodes, and organic linkers, facilitating precise structural compositional control for achieving programmable catalytic functionalities. Although inherent microporous structure could provide excellent shape selectivity during catalysis, it typically impedes mass transfer process, thereby reducing use internal active...

A general synthetic procedure for highly ordered and well-dispersed periodic mesoporous organosilica (PMO) nanoparticles is reported based on a single cationic surfactant cetyltrimethylammonium bromide (CTAB) simple silica sources with organic bridging groups via an ammonia-catalyzed sol–gel reaction. By changing the group in sources, pore structures of as-made particles three-dimensional hexagonal (P63/mmc), cubic (Pm3n), two-dimensional (P6mm), wormlike structure were evidenced by powder...

A new magnesium aluminophosphate JU92-300 with novel zeotype structure and 8-ring channels has been prepared by calcination of microporous JU-92 under 300 °C. Well dispersed C-dots are using as a support host. Such C-dots@zeolite materials exhibit excitation-dependent photoluminescent behavior, well tunable fluorescence high quantum yields.

Two-dimensional (2D) hierarchically porous metal-organic framework (MOF) nanoarchitectures with tailorable meso-/macropores hold great promise for enhancing mass transfer kinetics, augmenting accessible active sites, and thereby boosting performance in heterogeneous catalysis. However, achieving the general synthesis of 2D free-standing MOF nanosheets controllable hierarchical porosity thickness remains a challenging task. Herein, we present an ingenious "hard" emulsion-induced interface...

Colloidal metal-organic framework (MOF) nanoparticles, with tailored asymmetric nanoarchitectures and hierarchical meso-/microporosities, have significant implications in high-performance nanocatalysts, nanoencapsulation carriers, intricate assembly architectures. However, the methodology that could achieve precise control over anisotropic growth of MOF particles distributions meso- microporous regions has not yet been established. In this study, we introduce a facile interface successive...

Metal/zeolite hybrid nanoframes featuring highly accessible compartmental environments, abundant heterogeneous interfaces, and diverse chemical compositions are expected to possess significant potential for catalysis, yet their general synthetic methodology has not been established. In this study, we developed a two-step

Nanosheet-structured Ni–Co alloy/zeolites with highly dispersed alloy nanoparticles and high loading are constructed for the hydrodeoxygenation of stearic acid.

Hollow multi‐shell covalent organic frameworks (COFs) with abundant modular interfaces, high loading capacity, and various microenvironments are expected to hold great potential for chemical separation, heterogeneous catalysis, energy storage/conversion. However, the synthetic methodology of COF hollow nanoarchitectures has not been established. Herein, we demonstrate an ingenious “crystallinity wave”‐induced regional difference ripening strategy synthesize a series particles controllable...

Hollow multi‐shell covalent organic frameworks (COFs) with abundant modular interfaces, high loading capacity, and various microenvironments are expected to hold great potential for chemical separation, heterogeneous catalysis, energy storage/conversion. However, the synthetic methodology of COF hollow nanoarchitectures has not been established. Herein, we demonstrate an ingenious “crystallinity wave”‐induced regional difference ripening strategy synthesize a series particles controllable...