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27 Results Found

  • Review
  • Open Access
96 Citations
13,572 Views
17 Pages

Mesocrystals: Past, Presence, Future

  • Elena V. Sturm (née Rosseeva) and
  • Helmut Cölfen

9 July 2017

In this review, we briefly summarize the history of mesocrystal research. We introduce the current structural definition of mesocrystals and discuss the appropriate base for the classification of mesocrystals and their relations with other classes of...

(This article belongs to the Special Issue Mesocrystals and Hierarchical Structures)
  • Article
  • Open Access
7 Citations
3,334 Views
10 Pages

Mesocrystals from Platinum Nanocubes

  • Christian Jenewein and
  • Helmut Cölfen

20 August 2021

Platinum nanoparticles are widely known for their numerous electrochemical and catalytic applications. Enhanced or novel properties that may arise when ordering such particles in a highly defined manner, however, are still subject to ongoing research...

  • Review
  • Open Access
70 Citations
11,187 Views
27 Pages

Titanium Dioxide (TiO2) Mesocrystals: Synthesis, Growth Mechanisms and Photocatalytic Properties

  • Boxue Zhang,
  • Shengxin Cao,
  • Meiqi Du,
  • Xiaozhou Ye,
  • Yun Wang and
  • Jianfeng Ye

16 January 2019

Hierarchical TiO2 superstructures with desired architectures and intriguing physico-chemical properties are considered to be one of the most promising candidates for solving the serious issues related to global energy exhaustion as well as environmen...

(This article belongs to the Special Issue Emerging Trends in TiO2 Photocatalysis and Applications)
  • Article
  • Open Access
4 Citations
3,935 Views
10 Pages

Exploring the Crystalline Structure of Gold Mesocrystals Using X-ray Diffraction

  • Aleksandra Chumakova,
  • Felizitas Kirner,
  • Andrei Chumakov,
  • Stephan V. Roth,
  • Alexeï Bosak and
  • Elena V. Sturm

2 August 2023

Mesocrystals are a class of nanostructured material where individual nanocrystals are arranged in a distinct crystallographic orientation. The multiple-length-scale order in such materials plays an essential role in the emergent physical and chemical...

(This article belongs to the Special Issue Women in Mineralogical Crystallography and Biomineralization)
  • Article
  • Open Access
11 Citations
3,019 Views
16 Pages

Platinum-Modified Rod-like Titania Mesocrystals with Enhanced Photocatalytic Activity

  • Zhishun Wei,
  • Yuanyuan Ji,
  • Zuzanna Bielan,
  • Xin Yue,
  • Yuqi Xu,
  • Jiajie Sun,
  • Sha Chen,
  • Guoqiang Yi,
  • Ying Chang and
  • Ewa Kowalska

22 April 2024

Photocatalysis is considered as an environmentally friendly method for both solar energy conversion and environmental purification of water, wastewater, air, and surfaces. Among various photocatalytic materials, titania is still the most widely inves...

(This article belongs to the Special Issue Novel Nanocatalysts for Sustainable and Green Chemistry)
  • Feature Paper
  • Review
  • Open Access
8 Citations
2,543 Views
13 Pages

28 October 2021

Radial TiO2 nanorod-based mesocrystals (TiO2-NR MCs) or so-called “sea-urchin-like microspheres” possess not only attractive appearance but also excellent potential as photocatalyst and electrode materials. As a new type of TiO2-NR MCs, we have recen...

(This article belongs to the Section Photocatalysis)
  • Article
  • Open Access
5 Citations
4,119 Views
21 Pages

Temperature Sensing Properties of Biocompatible Yb/Er-Doped GdF3 and YF3 Mesocrystals

  • Ivana Dinić,
  • Marina Vuković,
  • Maria Eugenia Rabanal,
  • Milica Milošević,
  • Marta Bukumira,
  • Nina Tomić,
  • Miloš Tomić,
  • Lidija Mančić and
  • Nenad Ignjatović

Y0.8−xGdxF3:Yb/Er mesocrystals with a biocompatible surface and diverse morphological characteristics were successfully synthesized using chitosan-assisted solvothermal processing. Their structural properties, studied using X-ray powder diffrac...

(This article belongs to the Section Biomaterials and Devices for Healthcare Applications)
  • Communication
  • Open Access
2 Citations
3,691 Views
10 Pages

26 December 2018

There are only a few inorganic compounds that have evoked as much interest as sodium yttrium fluoride (NaYF4). Its extensive applications in various fields, including transparent displays, luminescence coding, data storage, as well as biological imag...

(This article belongs to the Special Issue Green Synthesis of Nanomaterials)
  • Article
  • Open Access
17 Citations
4,727 Views
16 Pages

The morphology and mesoporosity of zeolite are two vital properties to determine its performance in diverse applications involving adsorption and catalysis; while it remains a big challenge for the synthesis and regulation of zeolites with exceptiona...

(This article belongs to the Section Energy and Catalysis)
  • Article
  • Open Access
23 Citations
10,567 Views
12 Pages

22 December 2016

Rigorous superposition T-matrix method is used to compute light interaction with mesocrystalline structures. The results are used to validate the applicability of effective medium theories for computing the effective optical constants of mesocrystal...

(This article belongs to the Special Issue Mesocrystals and Hierarchical Structures)
  • Article
  • Open Access
3 Citations
2,925 Views
13 Pages

6 May 2020

Within the scope of the comprehensive elucidation of the entire process chain for the production of highly functional thin films made of semiconducting aluminum-doped zinc oxide ( A Z O ) nanocrystals, this work deals with the detailed investig...

(This article belongs to the Section Inorganic Crystalline Materials)
  • Article
  • Open Access
5 Citations
6,058 Views
15 Pages

8 August 2017

Iron oxide nanoparticles are widely prevalent in our aqueous environment (e.g., streams, seawater, hydrothermal vents). Their aggregation and crystal growth depend on their chemical surroundings, for instance just a change in pH or salt concentration...

(This article belongs to the Special Issue Mesocrystals and Hierarchical Structures)
  • Article
  • Open Access
9 Citations
3,715 Views
18 Pages

1 May 2019

NaV2O5 mesocrystals were successfully synthesized from an alkaline-stripped pentavalent vanadium solution through a novel hydrothermal hydrogen reduction process. The optimal conditions for the hydrogen partial pressure, reaction temperature, initial...

  • Communication
  • Open Access
12 Citations
4,807 Views
12 Pages

26 August 2020

Investigation on the formation mechanism of crystals via amorphous precursors has attracted a lot of interests in the last years. The formation mechanism of thermodynamically meta-stable vaterite in pure alcohols in the absence of any additive is les...

(This article belongs to the Section Mineralogical Crystallography and Biomineralization)
  • Article
  • Open Access
4 Citations
2,371 Views
13 Pages

25 March 2025

Cooling crystallization experiments of curcumin in isopropanol confirmed that curcumin can crystallize via classical or nonclassical pathways, depending on the levels of supersaturation and supercooling. Light microscopy analysis revealed that classi...

(This article belongs to the Special Issue Crystallisation Advances)
  • Article
  • Open Access
6 Citations
3,780 Views
16 Pages

Environmentally Benign Formation of Nickel Hexacyanoferrate-Derived Mesoframes for Heterogeneous Catalysis

  • Sascha Keßler,
  • Elrike R. Reinalter,
  • Johannes Schmidt and
  • Helmut Cölfen

18 October 2021

The tetramethylammonium hydroxide (TMAH)-controlled alkaline etching of nickel hexacyanoferrate (NiHCF) mesocrystals is explored. The alkaline etching enables the formation of hollow framework structures with an increased surface area, the exposure o...

(This article belongs to the Section Inorganic Materials and Metal-Organic Frameworks)
  • Feature Paper
  • Review
  • Open Access
28 Citations
5,597 Views
10 Pages

15 February 2019

There has been much discussion of the role of proteins in the calcium carbonate biomineralization process, particularly with regard to nucleation, amorphous stabilization/transformation, and polymorph selection. However, there has been little if any...

(This article belongs to the Special Issue Bioinspired Materials: From Living System to New Concepts in Materials Chemistry)
  • Review
  • Open Access
442 Citations
31,417 Views
32 Pages

Titanium Dioxide: From Engineering to Applications

  • Xiaolan Kang,
  • Sihang Liu,
  • Zideng Dai,
  • Yunping He,
  • Xuezhi Song and
  • Zhenquan Tan

19 February 2019

Titanium dioxide (TiO2) nanomaterials have garnered extensive scientific interest since 1972 and have been widely used in many areas, such as sustainable energy generation and the removal of environmental pollutants. Although TiO2 possesses the desir...

(This article belongs to the Special Issue Emerging Trends in TiO2 Photocatalysis and Applications)
  • Feature Paper
  • Review
  • Open Access
33 Citations
5,534 Views
32 Pages

Angular X-ray Cross-Correlation Analysis (AXCCA): Basic Concepts and Recent Applications to Soft Matter and Nanomaterials

  • Ivan A. Zaluzhnyy,
  • Ruslan P. Kurta,
  • Marcus Scheele,
  • Frank Schreiber,
  • Boris I. Ostrovskii and
  • Ivan A. Vartanyants

23 October 2019

Angular X-ray cross-correlation analysis (AXCCA) is a technique which allows quantitative measurement of the angular anisotropy of X-ray diffraction patterns and provides insights into the orientational order in the system under investigation. This m...

(This article belongs to the Section Advanced Nanomaterials and Nanotechnology)
  • Commentary
  • Open Access
82 Citations
9,985 Views
13 Pages

26 April 2018

The interactions between additives and mineral precursors and intermediates are at the heart of additive-controlled crystallisation, which is of high importance for various fields. In this commentary, we reflect on potential modes of additive control...

(This article belongs to the Special Issue Mineral Surface Reactions at the Nanoscale)
  • Article
  • Open Access
12 Citations
3,987 Views
8 Pages

26 January 2019

Hydrothermally grown TiO2 nanorods are a key material for several electronic applications. Due to its anisotropic crystal structure, the electronic properties of this semiconductor depend on the crystallographic direction. Consequently, it is importa...

  • Review
  • Open Access
8 Citations
3,076 Views
22 Pages

9 September 2022

In comparison with the first-principles calculations mostly using partial differential equations (PDEs), numerical simulations with modeling by ordinary differential equations (ODEs) are sometimes superior in that they are computationally more econom...

(This article belongs to the Section Cross-Field Chemistry)
  • Article
  • Open Access
21 Citations
3,837 Views
9 Pages

The Anatase-to-Rutile Phase Transition in Highly Oriented Nanoparticles Array of Titania with Photocatalytic Response Changes

  • Olga Boytsova,
  • Irina Zhukova,
  • Artem Tatarenko,
  • Tatiana Shatalova,
  • Artemii Beiltiukov,
  • Andrei Eliseev and
  • Alexey Sadovnikov

11 December 2022

An array of highly oriented anatase nanoparticles was successfully prepared from NH4TiOF3 with the assistance of polyetheleneglycol-400 at 450 °C. The study showed the stability of obtained layered TiO2-anatase close to 1200 °C. This research...

(This article belongs to the Special Issue Nanomaterials and Nanotechnology for Energy Conversion and Storage)
  • Review
  • Open Access
23 Citations
12,289 Views
22 Pages

Research on Mesoscale Nucleation and Growth Processes in Solution Crystallization: A Review

  • Xiaowei Wang,
  • Kangli Li,
  • Xueyou Qin,
  • Mingxuan Li,
  • Yanbo Liu,
  • Yanlong An,
  • Wulong Yang,
  • Mingyang Chen,
  • Jinbo Ouyang and
  • Junbo Gong

1 September 2022

In recent studies, the existence of mesoscale precursors has been confirmed in crystallization. Different from the classical crystallization theory, which only considers the sequential attachment of basic monomers (atoms, ions, or molecules), the non...

(This article belongs to the Special Issue Crystallization Process and Simulation Calculation)
  • Article
  • Open Access
20 Citations
8,354 Views
22 Pages

Carbonate Precipitation in Mixed Cyanobacterial Biofilms Forming Freshwater Microbial Tufa

  • Dahédrey Payandi-Rolland,
  • Adeline Roche,
  • Emmanuelle Vennin,
  • Pieter T. Visscher,
  • Philippe Amiotte-Suchet,
  • Camille Thomas and
  • Irina A. Bundeleva

3 July 2019

Mixed cyanobacteria-dominated biofilms, enriched from a tributary of the Mérantaise (France) were used to conduct laboratory experiments in order to understand the relationship between the morphology of carbonate precipitates and the biologica...

(This article belongs to the Special Issue Microbialites: Preservation of Extant and Extinct Systems)
  • Article
  • Open Access
4 Citations
3,523 Views
15 Pages

12 October 2022

A method of phase-transfer water/toluene synthesis was developed to fabricate mesocrystals of Zeolite Socony Mobil-5 (ZSM-5) that contain both meso-/micropores and nanometer crystallites. The construction of a hierarchical architecture from nanozeoli...

(This article belongs to the Section Catalytic Materials)
  • Feature Paper
  • Review
  • Open Access
60 Citations
7,652 Views
30 Pages

Morphology- and Crystalline Composition-Governed Activity of Titania-Based Photocatalysts: Overview and Perspective

  • Kunlei Wang,
  • Marcin Janczarek,
  • Zhishun Wei,
  • Tharishinny Raja-Mogan,
  • Maya Endo-Kimura,
  • Tamer M. Khedr,
  • Bunsho Ohtani and
  • Ewa Kowalska

11 December 2019

Titania photocatalysts have been intensively examined for both mechanism study and possible commercial applications for more than 30 years. Although various reports have already been published on titania, including comprehensive review papers, the mo...