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  1. Article ; Online: Semitransparent Perovskite Solar Cells with Ultrathin Protective Buffer Layers.

    Magliano, Erica / Mariani, Paolo / Agresti, Antonio / Pescetelli, Sara / Matteocci, Fabio / Taheri, Babak / Cricenti, Antonio / Luce, Marco / Di Carlo, Aldo

    ACS applied energy materials

    2023  Volume 6, Issue 20, Page(s) 10340–10353

    Abstract: Semitransparent perovskite solar cells (ST-PSCs) are increasingly important in a range of applications, including top cells in tandem devices and see-through photovoltaics. Transparent conductive oxides (TCOs) are commonly used as transparent electrodes, ...

    Abstract Semitransparent perovskite solar cells (ST-PSCs) are increasingly important in a range of applications, including top cells in tandem devices and see-through photovoltaics. Transparent conductive oxides (TCOs) are commonly used as transparent electrodes, with sputtering being the preferred deposition method. However, this process can damage exposed layers, affecting the electrical performance of the devices. In this study, an indium tin oxide (ITO) deposition process that effectively suppresses sputtering damage was developed using a transition metal oxides (TMOs)-based buffer layer. An ultrathin (<10 nm) layer of evaporated vanadium oxide or molybdenum oxide was found to be effective in protecting against sputtering damage in ST-PSCs for tandem applications, as well as in thin perovskite-based devices for building-integrated photovoltaics. The identification of minimal parasitic absorption, the high work function and the analysis of oxygen vacancies denoted that the TMO layers are suitable for use in ST-PSCs. The highest fill factor (FF) achieved was 76%, and the efficiency (16.4%) was reduced by less than 10% when compared with the efficiency of gold-based PSCs. Moreover, up-scaling to 1 cm
    Language English
    Publishing date 2023-10-05
    Publishing country United States
    Document type Journal Article
    ISSN 2574-0962
    ISSN (online) 2574-0962
    DOI 10.1021/acsaem.3c00735
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Nonenzymatic Potentiometric Detection of Ascorbic Acid with Porphyrin/ZnO-Functionalized Laser-Induced Graphene as an Electrode of EGFET Sensors.

    Pushparaj, Kishore / Catini, Alexandro / Capuano, Rosamaria / Allegra, Valerio / Magna, Gabriele / Antonelli, Gianni / Martinelli, Eugenio / Agresti, Antonio / Pescetelli, Sara / Sivalingam, Yuvaraj / Paolesse, Roberto / Di Natale, Corrado

    ACS omega

    2024  Volume 9, Issue 9, Page(s) 10650–10659

    Abstract: Laser-induced graphene (LIG) has emerged as a highly versatile material with significant potential in the development of electrochemical sensors. In this paper, we investigate the use of LIG and LIG functionalized with ZnO and porphyrins-ZnO as the gate ... ...

    Abstract Laser-induced graphene (LIG) has emerged as a highly versatile material with significant potential in the development of electrochemical sensors. In this paper, we investigate the use of LIG and LIG functionalized with ZnO and porphyrins-ZnO as the gate electrodes of the extended gate field effect transistors (EGFETs). The resultant sensors exhibit remarkable sensitivity and selectivity, particularly toward ascorbic acid. The intrinsic sensitivity of LIG undergoes a notable enhancement through the incorporation of hybrid organic-inorganic materials. Among the variations tested, the LIG electrode coated with zinc tetraphenylporphyrin-capped ZnO nanoparticles demonstrates superior performance, reaching a limit of detection of approximately 3 nM. Furthermore, the signal ratio for 5 μM ascorbic acid relative to the same concentration of dopamine exceeds 250. The practical applicability of these sensors is demonstrated through the detection of ascorbic acid in real-world samples, specifically in a commercially available food supplement containing l-arginine. Notably, formulations with added vitamin C exhibit signals at least 25 times larger than those without, underscoring the sensors' capability to discern and quantify the presence of ascorbic acid in complex matrices. This research not only highlights the enhanced performance of LIG-based sensors through functionalization but also underscores their potential for practical applications in the analysis of vitamin-rich supplements.
    Language English
    Publishing date 2024-02-22
    Publishing country United States
    Document type Journal Article
    ISSN 2470-1343
    ISSN (online) 2470-1343
    DOI 10.1021/acsomega.3c09141
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Alcohol Vapor Sensor Based on Quasi-2D Nb

    Pazniak, Hanna / Plugin, Ilya A / Sheverdyaeva, Polina M / Rapenne, Laetitia / Varezhnikov, Alexey S / Agresti, Antonio / Pescetelli, Sara / Moras, Paolo / Kostin, Konstantin B / Gorokhovsky, Alexander V / Ouisse, Thierry / Sysoev, Victor V

    Sensors (Basel, Switzerland)

    2023  Volume 24, Issue 1

    Abstract: MXenes are two-dimensional (2D) materials with a great potential for sensor applications due to their high aspect ratio and fully functionalized surface that can be tuned for specific gas adsorption. Here, we demonstrate that the ... ...

    Abstract MXenes are two-dimensional (2D) materials with a great potential for sensor applications due to their high aspect ratio and fully functionalized surface that can be tuned for specific gas adsorption. Here, we demonstrate that the Nb
    Language English
    Publishing date 2023-12-20
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2052857-7
    ISSN 1424-8220 ; 1424-8220
    ISSN (online) 1424-8220
    ISSN 1424-8220
    DOI 10.3390/s24010038
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article: Low-Temperature Graphene-Based Paste for Large-Area Carbon Perovskite Solar Cells

    Mariani, Paolo / Najafi, Leyla / Bianca, Gabriele / Zappia, Marilena Isabella / Gabatel, Luca / Agresti, Antonio / Pescetelli, Sara / Di Carlo, Aldo / Bellani, Sebastiano / Bonaccorso, Francesco

    ACS applied materials & interfaces. 2021 May 10, v. 13, no. 19

    2021  

    Abstract: Carbon perovskite solar cells (C-PSCs), using carbon-based counter electrodes (C-CEs), promise to mitigate instability issues while providing solution-processed and low-cost device configurations. In this work, we report the fabrication and ... ...

    Abstract Carbon perovskite solar cells (C-PSCs), using carbon-based counter electrodes (C-CEs), promise to mitigate instability issues while providing solution-processed and low-cost device configurations. In this work, we report the fabrication and characterization of efficient paintable C-PSCs obtained by depositing a low-temperature-processed graphene-based carbon paste atop prototypical mesoscopic and planar n–i–p structures. Small-area (0.09 cm²) mesoscopic C-PSCs reach a power conversion efficiency (PCE) of 15.81% while showing an improved thermal stability under the ISOS-D-2 protocol compared to the reference devices based on Au CEs. The proposed graphene-based C-CEs are applied to large-area (1 cm²) mesoscopic devices and low-temperature-processed planar n–i–p devices, reaching PCEs of 13.85 and 14.06%, respectively. To the best of our knowledge, these PCE values are among the highest reported for large-area C-PSCs in the absence of back-contact metallization or additional stacked conductive components or a thermally evaporated barrier layer between the charge-transporting layer and the C-CE (strategies commonly used for the record-high efficiency C-PSCs). In addition, we report a proof-of-concept of metallized miniwafer-like area C-PSCs (substrate area = 6.76 cm², aperture area = 4.00 cm²), reaching a PCE on active area of 13.86% and a record-high PCE on aperture area of 12.10%, proving the metallization compatibility with our C-PSCs. Monolithic wafer-like area C-PSCs can be feasible all-solution-processed configurations, more reliable than prototypical perovskite solar (mini)modules based on the serial connection of subcells, since they mitigate hysteresis-induced performance losses and hot-spot-induced irreversible material damage caused by reverse biases.
    Keywords counters ; electrodes ; graphene ; materials ; pastes ; pasting properties ; solar cells ; thermal stability
    Language English
    Dates of publication 2021-0510
    Size p. 22368-22380.
    Publishing place American Chemical Society
    Document type Article
    ISSN 1944-8252
    DOI 10.1021/acsami.1c02626
    Database NAL-Catalogue (AGRICOLA)

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  5. Article ; Online: Low-Temperature Graphene-Based Paste for Large-Area Carbon Perovskite Solar Cells.

    Mariani, Paolo / Najafi, Leyla / Bianca, Gabriele / Zappia, Marilena Isabella / Gabatel, Luca / Agresti, Antonio / Pescetelli, Sara / Di Carlo, Aldo / Bellani, Sebastiano / Bonaccorso, Francesco

    ACS applied materials & interfaces

    2021  Volume 13, Issue 19, Page(s) 22368–22380

    Abstract: Carbon perovskite solar cells (C-PSCs), using carbon-based counter electrodes (C-CEs), promise to mitigate instability issues while providing solution-processed and low-cost device configurations. In this work, we report the fabrication and ... ...

    Abstract Carbon perovskite solar cells (C-PSCs), using carbon-based counter electrodes (C-CEs), promise to mitigate instability issues while providing solution-processed and low-cost device configurations. In this work, we report the fabrication and characterization of efficient paintable C-PSCs obtained by depositing a low-temperature-processed graphene-based carbon paste atop prototypical mesoscopic and planar n-i-p structures. Small-area (0.09 cm
    Language English
    Publishing date 2021-05-10
    Publishing country United States
    Document type Journal Article
    ISSN 1944-8252
    ISSN (online) 1944-8252
    DOI 10.1021/acsami.1c02626
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article: Ag/MgO Nanoparticles via Gas Aggregation Nanocluster Source for Perovskite Solar Cell Engineering.

    Caleffi, Matteo / Mariani, Paolo / Bertoni, Giovanni / Paolicelli, Guido / Pasquali, Luca / Agresti, Antonio / Pescetelli, Sara / Di Carlo, Aldo / De Renzi, Valentina / D'Addato, Sergio

    Materials (Basel, Switzerland)

    2021  Volume 14, Issue 19

    Abstract: Nanocluster aggregation sources based on magnetron-sputtering represent precise and versatile means to deposit a controlled quantity of metal nanoparticles at selected interfaces. In this work, we exploit this methodology to produce Ag/MgO nanoparticles ( ...

    Abstract Nanocluster aggregation sources based on magnetron-sputtering represent precise and versatile means to deposit a controlled quantity of metal nanoparticles at selected interfaces. In this work, we exploit this methodology to produce Ag/MgO nanoparticles (NPs) and deposit them on a glass/FTO/TiO
    Language English
    Publishing date 2021-09-23
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2487261-1
    ISSN 1996-1944
    ISSN 1996-1944
    DOI 10.3390/ma14195507
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article: Hybrid Perovskites Depth Profiling with Variable-Size Argon Clusters and Monatomic Ions Beams.

    Noël, Céline / Pescetelli, Sara / Agresti, Antonio / Franquet, Alexis / Spampinato, Valentina / Felten, Alexandre / di Carlo, Aldo / Houssiau, Laurent / Busby, Yan

    Materials (Basel, Switzerland)

    2019  Volume 12, Issue 5

    Abstract: Ion beam depth profiling is increasingly used to investigate layers and interfaces in complex multilayered devices, including solar cells. This approach is particularly challenging on hybrid perovskite layers and perovskite solar cells because of the ... ...

    Abstract Ion beam depth profiling is increasingly used to investigate layers and interfaces in complex multilayered devices, including solar cells. This approach is particularly challenging on hybrid perovskite layers and perovskite solar cells because of the presence of organic/inorganic interfaces requiring the fine optimization of the sputtering beam conditions. The ion beam sputtering must ensure a viable sputtering rate on hard inorganic materials while limiting the chemical (fragmentation), compositional (preferential sputtering) or topographical (roughening and intermixing) modifications on soft organic layers. In this work, model (Cs
    Language English
    Publishing date 2019-03-02
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2487261-1
    ISSN 1996-1944
    ISSN 1996-1944
    DOI 10.3390/ma12050726
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article: Mixed Cation Halide Perovskite under Environmental and Physical Stress.

    Larciprete, Rosanna / Agresti, Antonio / Pescetelli, Sara / Pazniak, Hanna / Liedl, Andrea / Lacovig, Paolo / Lizzit, Daniel / Tosi, Ezequiel / Lizzit, Silvano / Di Carlo, Aldo

    Materials (Basel, Switzerland)

    2021  Volume 14, Issue 14

    Abstract: Despite the ideal performance demonstrated by mixed perovskite materials when used as active layers in photovoltaic devices, the factor which still hampers their use in real life remains the poor stability of their physico-chemical and functional ... ...

    Abstract Despite the ideal performance demonstrated by mixed perovskite materials when used as active layers in photovoltaic devices, the factor which still hampers their use in real life remains the poor stability of their physico-chemical and functional properties when submitted to prolonged permanence in atmosphere, exposure to light and/or to moderately high temperature. We used high resolution photoelectron spectroscopy to compare the chemical state of triple cation, double halide Csx(FA0.83MA0.17)(1-x)Pb(I0.83Br0.17)3 perovskite thin films being freshly deposited or kept for one month in the dark or in the light in environmental conditions. Important deviations from the nominal composition were found in the samples aged in the dark, which, however, did not show evident signs of oxidation and basically preserved their own electronic structures. Ageing in the light determined a dramatic material deterioration with heavily perturbed chemical composition also due to reactions of the perovskite components with surface contaminants, promoted by the exposure to visible radiation. We also investigated the implications that 2D MXene flakes, recently identified as effective perovskite additive to improve solar cell efficiency, might have on the labile resilience of the material to external agents. Our results exclude any deleterious MXene influence on the perovskite stability and, actually, might evidence a mild stabilizing effect for the fresh samples, which, if doped, exhibited a lower deviation from the expected stoichiometry with respect to the undoped sample. The evolution of the undoped perovskites under thermal stress was studied by heating the samples in UHV while monitoring in real time, simultaneously, the behaviour of four representative material elements. Moreover, we could reveal the occurrence of fast changes induced in the fresh material by the photon beam as well as the enhanced decomposition triggered by the concurrent X-ray irradiation and thermal heating.
    Language English
    Publishing date 2021-07-15
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2487261-1
    ISSN 1996-1944
    ISSN 1996-1944
    DOI 10.3390/ma14143954
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Book ; Online: Photoluminescence of MAPbI$_3$

    Campanari, Valerio / Agresti, Antonio / Pescetelli, Sara / Sivan, Aswathi K. / Catone, Daniele / Keeffe, Patrick O / Turchini, Stefano / Di Carlo, Aldo / Martelli, Faustino

    a semiconductor science and technology point of view

    2020  

    Abstract: In this work, we perform steady-state continuous wave (cw) photoluminescence (PL) measurements on a MAPbI$_3$ thin film in the temperature range of 10-160 K, using excitation densities spanning over almost seven orders of magnitude, in particular ... ...

    Abstract In this work, we perform steady-state continuous wave (cw) photoluminescence (PL) measurements on a MAPbI$_3$ thin film in the temperature range of 10-160 K, using excitation densities spanning over almost seven orders of magnitude, in particular investigating very low densities, rarely used in the published literature. The temperature range used in this study is below or at the edge of the orthorhombic-tetragonal phase transition in MAPbI$_3$. In particular, we show that even in high quality MAPbI$_3$, capable of providing high photovoltaic efficiency, the defect density is high enough to give rise to an energy level band. Furthermore, we show that the intensity ratio between the two PL components related to the two crystalline phases, is a function of temperature and excitation. At high excitation intensities, we show that amplified spontaneous emission is attainable even in cw conditions. Time-resolved PL is also performed to justify some assignments of the PL features. Finally, our systematic approach, typical for the characterization of semiconductors, suggests that it should also be applied to hybrid halide perovskites and that, under suitable conditions, the PL characteristics of MAPbI$_3$ can be reconciled with those of conventional inorganic semiconductors.
    Keywords Physics - Applied Physics ; Condensed Matter - Materials Science
    Subject code 530
    Publishing date 2020-08-20
    Publishing country us
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  10. Article ; Online: [1]Benzothieno[3,2-b][1]benzothiophene-Phthalocyanine Derivatives: A Subclass of Solution-Processable Electron-Rich Hole Transport Materials.

    Zanotti, Gloria / Angelini, Nicola / Mattioli, Giuseppe / Paoletti, Anna Maria / Pennesi, Giovanna / Caschera, Daniela / Sobolev, Anatoly Petrovich / Beverina, Luca / Calascibetta, Adiel Mauro / Sanzone, Alessandro / Di Carlo, Aldo / Berionni Berna, Beatrice / Pescetelli, Sara / Agresti, Antonio

    ChemPlusChem

    2020  Volume 85, Issue 11, Page(s) 2376–2386

    Abstract: The [1]benzothieno[3,2-b][1]benzothiophene (BTBT) planar system was used to functionalize the phthalocyanine ring aiming at synthesizing novel electron-rich π-conjugated macrocycles. The resulting ZnPc-BTBT and ZnPc-(BTBT) ...

    Abstract The [1]benzothieno[3,2-b][1]benzothiophene (BTBT) planar system was used to functionalize the phthalocyanine ring aiming at synthesizing novel electron-rich π-conjugated macrocycles. The resulting ZnPc-BTBT and ZnPc-(BTBT)
    Language English
    Publishing date 2020-05-14
    Publishing country Germany
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ISSN 2192-6506
    ISSN (online) 2192-6506
    DOI 10.1002/cplu.202000281
    Database MEDical Literature Analysis and Retrieval System OnLINE

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