• Investigating the thickness-effect of free-standing high aspect-ratio TiO2 nanotube layers on microwave-photoresponse using planar microwave resonators 

  Alijani, Mahnaz; Wiltshire, Benjamin D.; Sopha, Hanna Ingrid; Sarpanah, Zahra; Mistrík, Jan; Hromádko, Luděk; Zarifi, Mohammad H.; Macák, Jan (Elsevier, 2023-06-01)

  One-dimensional TiO2 nanotube (TNT) layers are a promising candidate for UV detection due to their distinctive anisotropic geometry which is effective for light harvesting and rapid carrier transport. Here, the photosensitivity ...

• Photocatalytic degradation of gaseous pollutants on nanostructured TiO2 films of various thickness and surface area 

  Baudys, Michal; Berthet, Eleonore; Macák, Jan; Lhotka, Miloslav; Krýsa, Josef (Springer Nature, 2023-04-01)

  This work deals with the preparation of TiO2 nanoparticulate layers of various mass (0.05 mg/cm(2) to 2 mg/cm(2)) from three commercial nanopowder materials, P90, P25 and CG 300, their characterisation (profilometry, BET ...

• 2D FeSx Nanosheets by Atomic Layer Deposition: Electrocatalytic Properties for the Hydrogen Evolution Reaction 

  Zazpe Mendioroz, Raúl; Rodriguez Pereira, Jhonatan; Thalluri, Sitaramanjaneya Mouli; Hromádko, Luděk; Pavliňák, David; Kolíbalová, Eva; Kurka, Michal; Sopha, Hanna Ingrid; Macák, Jan (Wiley-VCH, 2023-06-09)

  2-dimensional FeSx nanosheets of different sizes are synthesized by applying different numbers of atomic layer deposition (ALD) cycles on TiO2 nanotube layers and graphite sheets as supporting materials and used as an ...

• White and black anodic TiO2 nanotubes: Comparison of biological effects in A549 and SH-SY5Y cells 

  Sopha, Hanna Ingrid; Báčová, Jana; Baishya, Kaushik; Sepúlveda Sepúlveda, Lina Marcela; Rodriguez Pereira, Jhonatan; Čapek, Jan; Hromádko, Luděk; Zazpe Mendioroz, Raúl; Thalluri, Sitaramanjaneya Mouli; Mistrík, Jan; Knotek, Petr; Roušar, Tomáš; Macák, Jan (Elsevier, 2023-06-15)

  In this work, the cytotoxicity of black TiO2 nanotubes in comparison to their white counterparts is exploited for the first time. To provide a comprehensive overview, the toxicity is also assessed in comparison to multi-walled ...

• Evaluating the Use of TiO2 Nanoparticles for Toxicity Testing in Pulmonary A549 Cells 

  Báčová, Jana; Knotek, Petr; Kopecká, Kateřina; Hromádko, Luděk; Čapek, Jan; Nývltová, Pavlína; Brůčková, Lenka; Schröterová, Ladislava; Šestáková, Blanka; Palarčík, Jiří; Motola, Martin; Čížková, Dana; Bezrouk, Aleš; Handl, Jiří; Fiala, Zdeněk; Rudolf, Emil; Bílková, Zuzana; Macák, Jan; Roušar, Tomáš (Dove Press, 2022-09-30)

  Purpose: Titanium dioxide nanoparticles, 25 nm in size of crystallites (TiO2 P25), are among the most produced nanomaterials worldwide. The broad use of TiO2 P25 in material science has implied a request to evaluate their ...

• Anodic TiO2 nanotube layers decorated by Pd nanoparticles using ALD: An efficient electrocatalyst for methanol oxidation 

  Bawab, Bilal; Thalluri, Sitaramanjaneya Mouli; Rodriguez Pereira, Jhonatan; Sopha, Hanna Ingrid; Zazpe Mendioroz, Raúl; Macák, Jan (Elsevier, 2022-10-10)

  Herein, we report the performance of Pd nanoparticles (NPs) prepared by Atomic Layer Deposition (ALD) as a catalyst for methanol electro-oxidation. Pd NPs were decorated onto anodic TiO2 nanotube (TNT) layers as supporting ...

• The centrifugal spinning of vitamin doped natural gum fibers for skin regeneration 

  Říhová, Martina; Lepcio, Petr; Čičmancová, Veronika; Frumarová, Božena; Hromádko, Luděk; Bureš, Filip; Vojtová, Lucy; Macák, Jan (Elsevier, 2022-10-15)

  The study investigates the use of fiber carriers, based on biopolymeric gums as potential candidates for cosmetic and dermatological applications, in particular for skin regeneration. Gum arabic (GA), xanthan gum (XA), and ...

• Scaling up anodic TiO2 nanotube layers - Influence of the nanotube layer thickness on the photocatalytic degradation of hexane and benzene 

  Sopha, Hanna Ingrid; Baudys, Michal; Hromádko, Luděk; Lhotka, Miloslav; Pavliňák, David; Krýsa, Josef; Macák, Jan (Elsevier, 2022-12-01)

  In this work, the preparation of homogenous TiO2 nanotube (TNT) layers with different thicknesses via anodization on Ti substrates with a large geometrical area of two times 5 cm x 10 cm (i.e. both sides of the Ti substrate) ...

• High aspect ratio TiO2 nanotube layers obtained in a very short anodization time 

  Alijani, Mahnaz; Sopha, Hanna Ingrid; Ng, Siow Woon; Macák, Jan (Elsevier, 2021-04-20)

  Over the past years, the growth of high aspect ratio (HAR) anodic TiO2 nanotubes in a very short time (minute scale) has remained challenging. In the present report, TiO2 nanotube (TNT) layers with HAR approximate to 450 ...

• Electrospun Biodegradable Nanofibers Coated Homogenously by Cu Magnetron Sputtering Exhibit Fast Ion Release. Computational and Experimental Study 

  Manakhov, Anton; Sitnikova, Natalya A.; Tsygankova, Alphiya R.; Alekseev, Alexander Yu.; Adamenko, Lyubov S.; Permyakova, Elizaveta; Baidyshev, Victor S.; Popov, Zakhar; Blahová, Lucie; Eliáš, Marek; Zajíčková, Lenka; Solovieva, Anastasiya (MDPI, 2021-12-08)

  Copper-coated nanofibrous materials are desirable for catalysis, electrochemistry, sensing, and biomedical use. The preparation of copper or copper-coated nanofibers can be pretty challenging, requiring many chemical steps ...

• Effect of Low Molecular Weight Oxidized Materials and Nitrogen Groups on Adhesive Joints of Polypropylene Treated by a Cold Atmospheric Plasma Jet 

  Polášková, Kateřina; Klíma, Miloš; Jeníková, Zdeňka; Blahová, Lucie; Zajíčková, Lenka (MDPI, 2021-12-15)

  Polypropylene is a typical representative of synthetic polymers that, for many applications including adhesive joints, requires an increase in wettability and chemical surface reactivity. Plasma processing offers efficient ...

• Anodic TiO2 Nanotubes on 3D-Printed Titanium Meshes for Photocatalytic Applications 

  Sopha, Hanna Ingrid; Kashimbetova, Adelia; Hromádko, Luděk; Saldan, Ivan; Čelko, Ladislav; Montufar Jimenez, Edgar Benjamin; Macák, Jan (ACS Publications, 2021-10-27)

  In this work, large 3D Ti meshes fabricated by direct ink writing were wirelessly anodized for the first time to prepare highly photocatalytically active TiO2 nanotube (TNT) layers. The use of bipolar electrochemistry ...

• Facile synthesis of WO3 fibers via centrifugal spinning as an efficient UV-and VIS-light-driven photocatalyst 

  Hromádko, Luděk; Motola, Martin; Čičmancová, Veronika; Bulánek, Roman; Macák, Jan (Elsevier, 2021-12-15)

  This paper demonstrates, for the first time, synthesis of uniform and crystalline WO3 mesopomus fibers with a diameter of approximate to 1 mu m via centrifugal spinning. This was achieved by using a stable aqueous precursor ...

• TiO2 nanotube layers decorated by titania nanoparticles as anodes for Li-ion microbatteries 

  Sopha, Hanna Ingrid; Ghigo, Clement; Ng, Siow Woon; Alijani, Mahnaz; Hromádko, Luděk; Michalička, Jan; Djenizian, Thierry; Macák, Jan (Elsevier, 2022-01-15)

  In this work, the utilization of TiO2 nanotube (TNT) layers decorated with TiO2 nanoparticles (NPs) as anodes in Li-ion microbatteries is reported for the first time. Such TiO2 NPs decorated TNT layers possess an increased ...

• Amine modification of calcium phosphate by low-pressure plasma for bone regeneration 

  Kodama, Joe; Harumningtyas, Anjar Anggraini; Ito, Tomoko; Michlíček, Miroslav; Sugimoto, Satoshi; Kita, Hidekazu; Chijimatsu, Ryota; Ukon, Yuichiro; Kushioka, Junichi; Okada, Rintaro; Kamatani, Takashi; Hashimoto, Kunihiko; Tateiwa, Daisuke; Tsukazaki, Hiroyuki; Nakagawa, Shinichi; Takenaka, Shota; Makino, Takahiro; Sakai, Yusuke; Nečas, David; Zajíčková, Lenka; Hamaguchi, Satoshi; Kaito, Takashi (Nature Portfolio, 2021-09-01)

  Regeneration of large bone defects caused by trauma or tumor resection remains one of the biggest challenges in orthopedic surgery. Because of the limited availability of autograft material, the use of artificial bone is ...

• ALD coating of centrifugally spun polymeric fibers and postannealing: case study for nanotubular TiO2 photocatalyst 

  Říhová, Martina; Yurkevich, Oksana; Motola, Martin; Hromádko, Luděk; Spotz, Zdeněk; Zazpe Mendioroz, Raúl; Knez, Mato; Macák, Jan (Royal Society of Chemistry, 2021-08-07)

  This work describes the synthesis of highly photocatalytically active TiO2 tubes (TiTBs) by combining centrifugal spinning and atomic layer deposition (ALD). Poly(vinyl pyrrolidone) (PVP) fibers were first produced by ...

• Deposition of MoSe2 flakes using cyclic selenides 

  Charvot, Jaroslav; Zazpe Mendioroz, Raúl; Krumpolec, Richard; Rodriguez Pereira, Jhonatan; Pavliňák, David; Pokorný, Daniel; Klikar, Milan; Jelínková, Veronika; Macák, Jan; Bureš, Filip (Royal Society of Chemistry, 2021-06-03)

  The currently limited portfolio of volatile organoselenium compounds used for atomic layer deposition (ALD) has been extended by designing and preparing a series of four-, five- and six-membered cyclic silylselenides. Their ...

• Deposition penetration depth and sticking probability in plasma polymerization of cyclopropylamine 

  Michlíček, Miroslav; Blahová, Lucie; Dvořáková, Eva; Nečas, David; Zajíčková, Lenka (Elsevier, 2021-02-02)

  Understanding the role of substrate geometry is vital for a successful optimization of low-pressure plasma polymerization on non-planar substrates used in bioapplications, such as porous materials or well plates. We ...

• Wireless Anodization of Ti in Closed Bipolar Cells 

  Sopha, Hanna Ingrid; Rodriguez Pereira, Jhonatan; Čičmancová, Veronika; Macák, Jan (Wiley-VCH, 2021-08-01)

  In this work, the anodization of Ti foils in closed bipolar cells is shown for the first time. Depending on the applied potential, i. e. direct or alternating potential, TiO2 nanotube (TNT) layers can either be prepared ...

• 2D MoTe2 nanosheets by atomic layer deposition: Excellent photo-electrocatalytic properties 

  Zazpe Mendioroz, Raúl; Sopha, Hanna Ingrid; Charvot, Jaroslav; Krumpolec, Richard; Rodriguez Pereira, Jhonatan; Michalička, Jan; Mistrík, Jan; Bača, Dominik; Motola, Martin; Bureš, Filip; Macák, Jan (Elsevier, 2021-06-01)

  Herein, the synthesis of MoTe2 nanosheets by means of Atomic Layer Deposition (ALD) is demonstrated for the first time. ALD enables tight control over the thickness and the composition of the deposited material, which are ...

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