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  1. Article ; Online: Electrical properties of disordered films of van der Waals semiconductor WS

    Kharchich, Fatima Zahra / Castellanos-Gomez, Andres / Frisenda, Riccardo

    Nanoscale

    2024  Volume 16, Issue 18, Page(s) 8968–8974

    Abstract: One of the primary objectives in contemporary electronics is to develop sensors that are not only scalable and cost-effective but also environmentally sustainable. To achieve this goal, numerous experiments have focused on incorporating nanomaterial- ... ...

    Abstract One of the primary objectives in contemporary electronics is to develop sensors that are not only scalable and cost-effective but also environmentally sustainable. To achieve this goal, numerous experiments have focused on incorporating nanomaterial-based films, which utilize nanoparticles or van der Waals materials, on paper substrates. In this article, we present a novel fabrication technique for producing dry-abraded van der Waals films on paper, demonstrating outstanding electrical characteristics. We assess the quality and uniformity of these films by conducting a spatial resistivity characterization on a 5 × 5 cm
    Language English
    Publishing date 2024-05-09
    Publishing country England
    Document type Journal Article
    ZDB-ID 2515664-0
    ISSN 2040-3372 ; 2040-3364
    ISSN (online) 2040-3372
    ISSN 2040-3364
    DOI 10.1039/d3nr06535a
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Broadband-tunable spectral response of perovskite-on-paper photodetectors using halide mixing.

    Magdaleno, Alvaro J / Frisenda, Riccardo / Prins, Ferry / Castellanos-Gomez, Andres

    Nanoscale

    2022  Volume 14, Issue 38, Page(s) 14057–14063

    Abstract: Paper offers a low-cost and widely available substrate for electronics. It possesses alternative characteristics to silicon, as it shows low density and high flexibility, together with biodegradability. Solution processable materials, such as hybrid ... ...

    Abstract Paper offers a low-cost and widely available substrate for electronics. It possesses alternative characteristics to silicon, as it shows low density and high flexibility, together with biodegradability. Solution processable materials, such as hybrid perovskites, also present light and flexible features, together with a huge tunability of the material composition with varying optical properties. In this study, we combine paper substrates with halide-mixed perovskites for the creation of low-cost and easy-to-prepare perovskite-on-paper photodetectors with a broadband-tunable spectral response. From the bandgap tunability of halide-mixed perovskites we create photodetectors with a cut-off spectral onset that ranges from the NIR to the green region, by increasing the bromide content on MAPb(I
    Language English
    Publishing date 2022-10-06
    Publishing country England
    Document type Journal Article
    ZDB-ID 2515664-0
    ISSN 2040-3372 ; 2040-3364
    ISSN (online) 2040-3372
    ISSN 2040-3364
    DOI 10.1039/d2nr02963d
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Strain-Enhanced Large-Area Monolayer MoS

    Radatović, Borna / Çakıroğlu, Onur / Jadriško, Valentino / Frisenda, Riccardo / Senkić, Ana / Vujičić, Nataša / Kralj, Marko / Petrović, Marin / Castellanos-Gomez, Andres

    ACS applied materials & interfaces

    2024  Volume 16, Issue 12, Page(s) 15596–15604

    Abstract: In this study, we show a direct correlation between the applied mechanical strain and an increase in monolayer ... ...

    Abstract In this study, we show a direct correlation between the applied mechanical strain and an increase in monolayer MoS
    Language English
    Publishing date 2024-03-18
    Publishing country United States
    Document type Journal Article
    ISSN 1944-8252
    ISSN (online) 1944-8252
    DOI 10.1021/acsami.4c00458
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Robotic assembly of artificial nanomaterials.

    Frisenda, Riccardo / Castellanos-Gomez, Andres

    Nature nanotechnology

    2018  Volume 13, Issue 6, Page(s) 441–442

    Language English
    Publishing date 2018-05-14
    Publishing country England
    Document type Journal Article
    ZDB-ID 2254964-X
    ISSN 1748-3395 ; 1748-3387
    ISSN (online) 1748-3395
    ISSN 1748-3387
    DOI 10.1038/s41565-018-0156-5
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Fiber-coupled light-emitting diodes (LEDs) as safe and convenient light sources for the characterization of optoelectronic devices.

    Quereda, Jorge / Zhao, Quinghua / Diez, Enrique / Frisenda, Riccardo / Castellanos-Gomez, Andrés

    Open research Europe

    2022  Volume 1, Page(s) 98

    Abstract: Optoelectronic device characterization requires to probe the electrical transport changes upon illumination with light of different incident powers, wavelengths, and modulation frequencies. This task is typically performed using laser-based or lamp + ... ...

    Abstract Optoelectronic device characterization requires to probe the electrical transport changes upon illumination with light of different incident powers, wavelengths, and modulation frequencies. This task is typically performed using laser-based or lamp + monochromator-based light sources, that result complex to use and costly to implement. Here, we describe the use of multimode fiber-coupled light-emitting diodes (LEDs) as a simple, low-cost alternative to more conventional light sources, and demonstrate their capabilities by extracting the main figures of merit of optoelectronic devices based on monolayer MoS
    Language English
    Publishing date 2022-07-13
    Publishing country Belgium
    Document type Journal Article
    ISSN 2732-5121
    ISSN (online) 2732-5121
    DOI 10.12688/openreseurope.14018.2
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    Inter-library loan at ZB MED

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  6. Article ; Online: Room-temperature synthesis of 2D-Ti3C2Tx nano-sheets by organic base treatment.

    Rafiq, Sunaina / Gentili, Alessandra / Navarra, Maria Assunta / Zamparelli, Corrado / Betti, Maria Grazia / Frisenda, Riccardo / Mariani, Carlo

    The Journal of chemical physics

    2023  Volume 158, Issue 21

    Abstract: The growing demand for improved electrochemical performance in energy storage systems has stimulated research into advanced two-dimensional (2D) materials for electrodes. In this work, we obtain a layered MXene compound by exfoliating a titanium aluminum ...

    Abstract The growing demand for improved electrochemical performance in energy storage systems has stimulated research into advanced two-dimensional (2D) materials for electrodes. In this work, we obtain a layered MXene compound by exfoliating a titanium aluminum carbide precursor using tetramethylammonium hydroxide (TMAOH) ions in a full room temperature process followed by manual shaking. The hexagonal crystal structure and composition of the layered materials are characterized using different techniques. X-Ray diffraction shows the formation of 2D nano-sheets before and after the TMAOH treatment via its characteristic (002) diffraction peak, bringing to light an increase in the interlayer spacing after treatment. Scanning electron microscopy images confirm the layered morphology, whose composition is determined by energy dispersive x-ray analysis for the bulk material and by x-ray photoelectron spectroscopy for the surface of the obtained compounds. This study demonstrates a promising route to enhance delamination of this MXene 2D material in a low-cost room-temperature approach.
    Language English
    Publishing date 2023-06-05
    Publishing country United States
    Document type Journal Article
    ZDB-ID 3113-6
    ISSN 1089-7690 ; 0021-9606
    ISSN (online) 1089-7690
    ISSN 0021-9606
    DOI 10.1063/5.0146821
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Bonn / Germany

    Z 4' 49/16: Show issues

    Order via subito

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  7. Book ; Online: Broadband-tunable spectral response of perovskite-on-paper photodetectors using halide mixing

    Magdaleno, Alvaro J. / Frisenda, Riccardo / Prins, Ferry / Castellanos-Gomez, Andres

    2022  

    Abstract: Paper offers a low-cost and widely available substrate for electronics. It posses alternative characteristics to silicon, as it shows low density and high-flexibility, together with biodegradability. Solution processable materials, such as hybrid ... ...

    Abstract Paper offers a low-cost and widely available substrate for electronics. It posses alternative characteristics to silicon, as it shows low density and high-flexibility, together with biodegradability. Solution processable materials, such as hybrid perovskites, also present light and flexible features, together with a huge tunability of the material composition with varying optical properties. In this study, we combine paper substrates with halide-mixed perovskites for the creation of low-cost and easy-to-fabricate perovskite-on-paper photodetectors with a broadband-tunable spectral response. From the bandgap tunability of halide-mixed perovskites we create photodetectors with a cut-off spectral onset that ranges from the NIR to the green, by increasing the bromide content on MAPb(I$_{1-x}$Br$_x$)$_3$ perovskite alloys. The devices show a fast and efficient response. The best performances are observed for the pure I and Br perovskite compositions, with a maximum responsivity of 376 mA/W on the MAPbBr$_3$ device. This study provides an example of the wide range of possibilities that the combination of solution processable materials with paper substrates offer for the development of low-cost, biodegradable and easy-to-fabricate devices.

    Comment: 3 main text figures, 8 supp info figures
    Keywords Physics - Applied Physics ; Condensed Matter - Materials Science
    Subject code 302
    Publishing date 2022-05-19
    Publishing country us
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

    Full text online

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  8. Article: Superlattices based on van der Waals 2D materials

    Ryu, Yu Kyoung / Castellanos-Gomez, Andres / Frisenda, Riccardo

    Chemical communications. 2019 Sept. 24, v. 55, no. 77

    2019  

    Abstract: Two-dimensional (2D) materials exhibit a number of improved mechanical, optical, and electronic properties compared to their bulk counterparts. The absence of dangling bonds in the cleaved surfaces of these materials allows combining different 2D ... ...

    Abstract Two-dimensional (2D) materials exhibit a number of improved mechanical, optical, and electronic properties compared to their bulk counterparts. The absence of dangling bonds in the cleaved surfaces of these materials allows combining different 2D materials into van der Waals heterostructures to fabricate p-n junctions, photodetectors, and 2D–2D ohmic contacts that show unexpected performances. These intriguing results are regularly summarized in comprehensive reviews. A strategy to tailor their properties even further and to observe novel quantum phenomena consists in the fabrication of superlattices whose unit cell is formed either by two dissimilar 2D materials or by a 2D material subjected to a periodic perturbation, each component contributing with different characteristics. Furthermore, in a 2D material-based superlattice, the interlayer interaction between the layers mediated by van der Waals forces constitutes a key parameter to tune the global properties of the superlattice. The above-mentioned factors reflect the potential to devise countless combinations of van der Waals 2D material-based superlattices. In the present feature article, we explain in detail the state-of-the-art of 2D material-based superlattices and describe the different methods to fabricate them, classified as vertical stacking, intercalation with atoms or molecules, moiré patterning, strain engineering and lithographic design. We also aim to highlight some of the specific applications of each type of superlattices.
    Keywords chemical compounds ; chemical reactions ; engineering ; van der Waals forces
    Language English
    Dates of publication 2019-0924
    Size p. 11498-11510.
    Publishing place The Royal Society of Chemistry
    Document type Article
    ZDB-ID 1472881-3
    ISSN 1364-548X ; 1359-7345 ; 0009-241X
    ISSN (online) 1364-548X
    ISSN 1359-7345 ; 0009-241X
    DOI 10.1039/c9cc04919c
    Database NAL-Catalogue (AGRICOLA)

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  9. Article ; Online: Anisotropic buckling of few-layer black phosphorus.

    Vaquero-Garzon, Luis / Frisenda, Riccardo / Castellanos-Gomez, Andres

    Nanoscale

    2019  Volume 11, Issue 25, Page(s) 12080–12086

    Abstract: When a two-dimensional material, adhered onto a compliant substrate, is subjected to compression it can undergo a buckling instability yielding to a periodic rippling. Interestingly, when black phosphorus (bP) flakes are compressed along the zig-zag ... ...

    Abstract When a two-dimensional material, adhered onto a compliant substrate, is subjected to compression it can undergo a buckling instability yielding to a periodic rippling. Interestingly, when black phosphorus (bP) flakes are compressed along the zig-zag crystal direction, the flake buckles forming ripples with a 40% longer period than that obtained when the compression is applied along the armchair direction. This anisotropic buckling stems from the puckered honeycomb crystal structure of bP and a quantitative analysis of the ripple period allows the determination of the Youngs's modulus of few-layer bP along the armchair direction (E
    Language English
    Publishing date 2019-06-14
    Publishing country England
    Document type Journal Article
    ZDB-ID 2515664-0
    ISSN 2040-3372 ; 2040-3364
    ISSN (online) 2040-3372
    ISSN 2040-3364
    DOI 10.1039/c9nr03009c
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Superlattices based on van der Waals 2D materials.

    Ryu, Yu Kyoung / Frisenda, Riccardo / Castellanos-Gomez, Andres

    Chemical communications (Cambridge, England)

    2019  Volume 55, Issue 77, Page(s) 11498–11510

    Abstract: Two-dimensional (2D) materials exhibit a number of improved mechanical, optical, and electronic properties compared to their bulk counterparts. The absence of dangling bonds in the cleaved surfaces of these materials allows combining different 2D ... ...

    Abstract Two-dimensional (2D) materials exhibit a number of improved mechanical, optical, and electronic properties compared to their bulk counterparts. The absence of dangling bonds in the cleaved surfaces of these materials allows combining different 2D materials into van der Waals heterostructures to fabricate p-n junctions, photodetectors, and 2D-2D ohmic contacts that show unexpected performances. These intriguing results are regularly summarized in comprehensive reviews. A strategy to tailor their properties even further and to observe novel quantum phenomena consists in the fabrication of superlattices whose unit cell is formed either by two dissimilar 2D materials or by a 2D material subjected to a periodic perturbation, each component contributing with different characteristics. Furthermore, in a 2D material-based superlattice, the interlayer interaction between the layers mediated by van der Waals forces constitutes a key parameter to tune the global properties of the superlattice. The above-mentioned factors reflect the potential to devise countless combinations of van der Waals 2D material-based superlattices. In the present feature article, we explain in detail the state-of-the-art of 2D material-based superlattices and describe the different methods to fabricate them, classified as vertical stacking, intercalation with atoms or molecules, moiré patterning, strain engineering and lithographic design. We also aim to highlight some of the specific applications of each type of superlattices.
    Language English
    Publishing date 2019-09-26
    Publishing country England
    Document type Journal Article
    ZDB-ID 1472881-3
    ISSN 1364-548X ; 1359-7345 ; 0009-241X
    ISSN (online) 1364-548X
    ISSN 1359-7345 ; 0009-241X
    DOI 10.1039/c9cc04919c
    Database MEDical Literature Analysis and Retrieval System OnLINE

    More links

    Kategorien

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