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State-of-the-Art Materials Science in Poland

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A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Materials Science".

Deadline for manuscript submissions: closed (31 March 2023) | Viewed by 9208

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Prof. Dr. Sebastian Maćkowski

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1. Faculty of Physics, Astronomy and Informatics, Nicholas Copernicus University, Grudziadzka 5, 87-100 Torun, Poland
2. Baltic Institute of Technology, al. Zwyciestwa 96/98, 81-451 Gdynia, Poland
Interests: fluorescence imaging and spectroscopy; plasmonics; energy transfer; artificial photosynthesis; carbon nanostructures; semiconductor nanocrystals; up-converting nanocrystals
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Prof. Dr. Ewa Schab-Balcerzak

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1. Institute of Chemistry, University of Silesia, 40-007 Katowice, Poland
2. Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34 M. Curie-Skłodowska Str., 41-819 Zabrze, Poland
Interests: azopolymers; organic materials for optoelectronics; dyes sensitized (DSSC); perovskite (PSC) and bulk heterojunction (BHJ) solar cells
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Prof. Dr. Robert Bogdanowicz

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Department of Metrology and Optoelectronics, Faculty of Electronics, Telecommunications and Informatics, Gdansk University of Technology, 80-233 Gdansk, Poland
Interests: CVD diamond; nanodiamond; doped nanocarbons; electrochemichal sensors
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Prof. Dr. Artur Bednarkiewicz

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Collection Editor

Institute of Low Temperature and Structure Research, Polish Academy of Sciences, Okólna 2, 50-422 Wroclaw, Poland
Interests: lanthanide doped nanoparticles; (bio)spectroscopy and (bio)imaging; super-resolution imaging; nano-bio-technology; photon avalanche; upconversion; functional core-shell nanomaterials; optical nanothermometry; FRET resonant energy transfer; optical sensors

Prof. Dr. Paulina Plochocka

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Collection Editor

1. Department of Experimental Physics, Faculty of Fundamental Problems of Technology, Wroclaw University of Science and Technology, 50-370 Wroclaw, Poland
2. Laboratoire National des Champs Magnétiques Intenses, EMFL, CNRS UPR 3228, Université Toulouse, Université Toulouse 3, INSA-T, 31400 Toulouse, France
Interests: novel semiconductors; layered materials; excitons; optical spectroscopy; high magnetic field

Special Issue Information

Dear Colleagues,

This Topical Collection of the International Journal of Molecular Sciences (IJMS) aims to rapidly publish contributions on the synthesis, properties’ characterization and application of all aspects of materials with a focus on biological or molecular research. Topics include, without being limited to:

Biomaterials
Nanomaterials
Structural Materials
Functional/Sensor Materials
Advanced/Nuclear Materials
Polymers/Composites
Self-Assembly/Macromolecular Materials
Optoelectronic/Magnetic Materials
Soft Materials
Biological Materials
Non-covalent Interactions

Prof. Dr. Sebastian Maćkowski
Prof. Dr. Ewa Schab-Balcerzak
Prof. Dr. Robert Bogdanowicz
Prof. Dr. Artur Bednarkiewicz
Prof. Dr. Paulina Plochocka
Collection Editors

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Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. International Journal of Molecular Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

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Prof. Dr. Sebastian Maćkowski
Prof. Dr. Artur Bednarkiewicz
Prof. Dr. Paulina Plochocka
Prof. Dr. Robert Bogdanowicz
Prof. Dr. Ewa Schab-Balcerzak
Guest Editors

Manuscript Submission Information

Keywords

biomaterials
nanomaterials
structural materials
functional/sensor materials
advanced/nuclear materials
polymers/composites
self-assembly/macromolecular materials
optoelectronic/magnetic materials
soft materials
biological materials
non-covalent interactions

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Published Papers (4 papers)

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Research

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18 pages, 5283 KiB

Open AccessArticle

Oxygen Aspects in the High-Pressure and High-Temperature Sintering of Semiconductor Kesterite Cu₂ZnSnS₄ Nanopowders Prepared by a Mechanochemically-Assisted Synthesis Method

by Katarzyna Lejda, Jerzy F. Janik, Marcin Perzanowski, Svitlana Stelmakh and Bogdan Pałosz

Int. J. Mol. Sci. 2023, 24(4), 3159; https://doi.org/10.3390/ijms24043159 - 5 Feb 2023

Cited by 2 | Viewed by 1629

Abstract

We explore the important aspects of adventitious oxygen presence in nanopowders, as well as in the high-pressure and high-temperature-sintered nanoceramics of semiconductor kesterite Cu₂ZnSnS₄. The initial nanopowders were prepared via the mechanochemical synthesis route from two precursor systems, i.e., (i) a mixture of the constituent elements (Cu, Zn, Sn, and S), (ii) a mixture of the respective metal sulfides (Cu₂S, ZnS, and SnS), and sulfur (S). They were made in each system in the form of both the raw powder of non-semiconducting cubic zincblende-type prekesterite and, after thermal treatment at 500 °C, of semiconductor tetragonal kesterite. Upon characterization, the nanopowders were subjected to high-pressure (7.7 GPa) and high-temperature (500 °C) sintering that afforded mechanically stable black pellets. Both the nanopowders and pellets were extensively characterized, employing such determinations as powder XRD, UV-Vis/FT-IR/Raman spectroscopies, solid-state ⁶⁵Cu/¹¹⁹Sn NMR, TGA/DTA/MS, directly analyzed oxygen (O) and hydrogen (H) contents, BET specific surface area, helium density, and Vicker’s hardness (when applicable). The major findings are the unexpectedly high oxygen contents in the starting nanopowders, which are further revealed in the sintered pellets as crystalline SnO₂. Additionally, the pressure–temperature–time conditions of the HP-HT sintering of the nanopowders are shown (in the relevant cases) to result in the conversion of the tetragonal kesterite into cubic zincblende polytype upon decompression. Full article

(This article belongs to the Special Issue State-of-the-Art Materials Science in Poland)

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18 pages, 3974 KiB

Open AccessArticle

Synthesis and Characterization of New Conjugated Azomethines End-Capped with Amino-thiophene-3,4-dicarboxylic Acid Diethyl Ester

by Agnieszka Katarzyna Pająk, Sonia Kotowicz, Paweł Gnida, Jan Grzegorz Małecki, Agnieszka Ciemięga, Adam Łuczak, Jarosław Jung and Ewa Schab-Balcerzak

Int. J. Mol. Sci. 2022, 23(15), 8160; https://doi.org/10.3390/ijms23158160 - 24 Jul 2022

Cited by 5 | Viewed by 2589

Abstract

A new series of thiophene-based azomethines differing in the core structure was synthesized. The effect of the central core structure in azomethines on the thermal, optical and electrochemical properties was investigated. The obtained compounds exhibited the ability to form a stable amorphous phase with a high glass transition temperature above 100 °C. They were electrochemically active and undergo oxidation and reduction processes. The highest occupied (HOMO) and the lowest unoccupied molecular (LUMO) orbitals were in the range of −3.86–−3.60 eV and −5.46–−5.17 eV, respectively, resulting in a very low energy band gap below 1.7 eV. Optical investigations were performed in the solvents with various polarity and in the solid state as a thin film deposited on a glass substrate. The synthesized imines absorbed radiation from 350 to 600 nm, depending on its structure and showed weak emission with a photoluminescence quantum yield below 2.5%. The photophysical investigations were supported by theoretical calculations using the density functional theory. The synthesized imines doped with lithium bis-(trifluoromethanesulfonyl)imide were examined as hole transporting materials (HTM) in hybrid inorganic-organic perovskite solar cells. It was found that both a volume of lithium salt and core imine structure significantly impact device performance. The best power conversion efficiency (PCE), being about 35–63% higher compared to other devices, exhibited cells based on the imine containing a core tiphenylamine unit. Full article

(This article belongs to the Special Issue State-of-the-Art Materials Science in Poland)

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10 pages, 1366 KiB

Open AccessArticle

Spectral Dependence of the Energy Transfer from Photosynthetic Complexes to Monolayer Graphene

by Marcin Szalkowski, Alessandro Surrente, Kamil Wiwatowski, Zhuo Yang, Nan Zhang, Julian D. Janna Olmos, Joanna Kargul, Paulina Plochocka and Sebastian Maćkowski

Int. J. Mol. Sci. 2022, 23(7), 3493; https://doi.org/10.3390/ijms23073493 - 23 Mar 2022

Cited by 1 | Viewed by 2106

Abstract

Fluorescence excitation spectroscopy at cryogenic temperatures carried out on hybrid assemblies composed of photosynthetic complexes deposited on a monolayer graphene revealed that the efficiency of energy transfer to graphene strongly depended on the excitation wavelength. The efficiency of this energy transfer was greatly enhanced in the blue-green spectral region. We observed clear resonance-like behavior for both a simple light-harvesting antenna containing only two chlorophyll molecules (PCP) and a large photochemically active reaction center associated with the light-harvesting antenna (PSI–LHCI), which pointed towards the general character of this effect. Full article

(This article belongs to the Special Issue State-of-the-Art Materials Science in Poland)

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Review

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12 pages, 9314 KiB

Open AccessReview

Using the Diamagnetic Coefficients to Estimate the Reduced Effective Mass in 2D Layered Perovskites: New Insight from High Magnetic Field Spectroscopy

by Mateusz Dyksik

Int. J. Mol. Sci. 2022, 23(20), 12531; https://doi.org/10.3390/ijms232012531 - 19 Oct 2022

Cited by 1 | Viewed by 1793

Abstract

In this work, the current state of research concerning the determination of the effective mass in 2D layered perovskites is presented. The available experimental reports in which the reduced effective mass

μ

has been directly measured using magneto-absorption spectroscopy of interband Landau levels [...] Read more.

μ

has been directly measured using magneto-absorption spectroscopy of interband Landau levels are reviewed. By comparing these results with DFT computational studies and various other methods, it is concluded that depending on the approach used, the

μ

found spans a broad range of values from as low as 0.05 up to 0.3 m

_{e}

. To facilitate quick and reliable estimation of

μ

, a model is proposed based solely on the available experimental data that bypass the complexity of interband Landau level spectroscopy. The model takes advantage of the

μ

value measured for (PEA)

_{2}

PbI

_{4}

and approximates the reduced effective mass of the given 2D layered perovskites based on only two experimental parameters—the diamagnetic coefficient and the effective dielectric constant. The proposed model is tested on a broad range of 2D layered perovskites and captures well the main experimental and theoretical trends. Full article

(This article belongs to the Special Issue State-of-the-Art Materials Science in Poland)

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