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Surfaces, Volume 3, Issue 1

March 2020 - 11 articles

Cover Story: Magnetic nanoparticles (MNP) exhibit various interesting properties and are discussed for a rather broad variety of applications ranging from biomedical cancer treatment to catalyst support. Control over size and surface properties plays a key role for these fields, and here, we demonstrate a facile way to immobilize a broad variety of polymers at the surface of thiol-modified MNP, providing a handle to tune solubility and surface functionality. The cover image shows TEM micrographs of MNP at three different stages: after preparation using coprecipitation, after surface modification with thiol groups, and after immobilization of a polymeric shell. View this paper.
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Articles (11)

  • Article
  • Open Access
10 Citations
5,712 Views
16 Pages

18 March 2020

Here we describe a simple and straightforward synthesis of different multifunctional magnetic nanoparticles by using surface bound thiol-groups as transfer agents in a free radical polymerization process. The modification includes a first step of sur...

  • Article
  • Open Access
11 Citations
4,708 Views
11 Pages

Multilayer WO3/BiVO4 Photoanodes for Solar-Driven Water Splitting Prepared by RF-Plasma Sputtering

  • Matteo Pedroni,
  • Gian Luca Chiarello,
  • Espedito Vassallo and
  • Elena Selli

13 March 2020

A series of WO3, BiVO4 and WO3/BiVO4 heterojunction coatings were deposited on fluorine-doped tin oxide (FTO), by means of reactive radio frequency (RF) plasma (co)sputtering, and tested as photoanodes for water splitting under simulated AM 1.5 G sol...

  • Article
  • Open Access
14 Citations
3,637 Views
12 Pages

Hydrogenation of ZnFe2O4 Flat Films: Effects of the Pre-Annealing Temperature on the Photoanodes Efficiency for Water Oxidation

  • Annalisa Polo,
  • Charles R. Lhermitte,
  • Maria Vittoria Dozzi,
  • Elena Selli and
  • Kevin Sivula

12 March 2020

The effects induced by post-synthesis hydrogenation on ZnFe2O4 flat films in terms of photoelectrochemical (PEC) performance of photoanodes for water oxidation have been deeply investigated as a function of the pre-annealing temperature of the materi...

  • Review
  • Open Access
27 Citations
6,262 Views
21 Pages

Recent Advancements in the Understanding of the Surface Chemistry in TiO2 Photocatalysis

  • Alexander V. Vorontsov,
  • Héctor Valdés,
  • Panagiotis G. Smirniotis and
  • Yaron Paz

18 February 2020

Surface chemistry plays a major role in photocatalytic and photoelectrochemical processes taking place with the participation of TiO2. The synthesis methods, surface characterizations, theoretical research methods, and hardware over the last decade g...

  • Article
  • Open Access
17 Citations
6,245 Views
11 Pages

H-Terminated Diamond Surface Band Bending Characterization by Angle-Resolved XPS

  • Gonzalo Alba,
  • David Eon,
  • M. Pilar Villar,
  • Rodrigo Alcántara,
  • Gauthier Chicot,
  • Jesús Cañas,
  • Juliette Letellier,
  • Julien Pernot and
  • Daniel Araujo

18 February 2020

Concerning diamond-based electronic devices, the H-terminated diamond surface is one of the most used terminations as it can be obtained directly by using H2 plasma, which also is a key step for diamond growth by chemical vapour deposition (CVD). The...

  • Article
  • Open Access
4 Citations
4,026 Views
11 Pages

Citric Acid Regulated Fabrication of Macroporous TiO2

  • Rui Chen,
  • Ningning Shao,
  • Xiaoquan Zhou and
  • Tiehong Chen

3 February 2020

Macroporous TiO2 monolith was prepared by a microphase separation method. After citric acid was added to the synthesis procedure, the yield of the titanium precursor has been significantly increased, and the stability of macroporous structure can be...

  • Article
  • Open Access
2 Citations
3,587 Views
8 Pages

Tuning the Catalytic Activity of a Quantum Nutcracker for Hydrogen Dissociation

  • Lei Tao,
  • Yu-Yang Zhang,
  • Sokrates T. Pantelides and
  • Shixuan Du

20 January 2020

A quantum nutcracker, a recently proposed catalytic system for hydrogen dissociation, consists of two inert components: an organic molecule such as a transition metal phthalocyanine and an inert surface such as Cu or Au. The reaction takes place at t...

  • Review
  • Open Access
4,479 Views
14 Pages

Overview of Rational Design of Binary Alloy for the Synthesis of Two-Dimensional Materials

  • Hongyan Zhu,
  • Chao Zhang,
  • Xuefu Zhang,
  • Zhiyuan Shi,
  • Tianru Wu and
  • Guanghui Yu

15 January 2020

Two-dimensional (2D) materials attracted widespread interest as unique and novel properties different from their bulk crystals, providing great potential for semiconductor devices and applications. Recently, the family of 2D materials has been expand...

  • Article
  • Open Access
23 Citations
4,887 Views
15 Pages

Digitally Printed AgNPs Doped TiO2 on Commercial Porcelain-Grès Tiles: Synergistic Effects and Continuous Photocatalytic Antibacterial Activity

  • Claudia Letizia Bianchi,
  • Giuseppina Cerrato,
  • Bianca Maria Bresolin,
  • Ridha Djellabi and
  • Sami Rtimi

14 January 2020

In the present study, we use commercial digitally printed ceramic tiles, functionnalized by AgNPs doped micro–TiO2, to investigate the mechanism of Ag in the continouos photocatalytic antibacterial activity. The novelty of the research lies in...

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Surfaces - ISSN 2571-9637