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Category Archives: Uncategorized
Enhancing optical biosensing: Comparing two physical treatments for GPTES chemical functionalization of Cyclo-Olefin Copolymer foil
We have been involved in an interesting study related to bio-sensing applications. In details, cyclo-olefin-copolymer (COC) transparent films are currently the best choice for micro-fluidic bio-sensors for point-of-care diagnostic applications using optical signal detection. However, while the optical and mechanical … Continue reading
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Multiresponsive Nonvolatile Memories Based on Optically Switchable Ferroelectric Organic Field‐Effect Transistors
Our group was involved in research of novel type of organic transistors. Organic transistors are key elements for flexible, wearable, and biocompatible logic applications. Multiresponsivity is highly sought‐after in organic electronics to enable sophisticated operations and functions. Such a challenge … Continue reading
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A pyrrolopyridazinedione-based copolymer for fullerene-free organic solar cells
Our group was involved in the charge transport study of non-fullerene acceptors in organic photovoltaics. Recent success in this field also entails a change in the requirements to the polymer donor in terms of optical and morphological properties leading to … Continue reading
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Elucidation of Donor:Acceptor Phase Separation in Nonfullerene Organic Solar Cells and Its Implications on Device Perfor- mance and Charge Carrier Mobility
A joint study revealed that in bulk-heterojunction solar cells, the device performance strongly depends on the donor and acceptor properties, the phase separation in the absorber layer, and the formation of a bicontinuous network. While this phase separation is well … Continue reading
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Novel Chitosan–Mg(OH)2 -Based Nanocomposite Membranes for Direct Alkaline Ethanol Fuel Cells
We have been involved in a project NanoElMem of novel polymer-based nanocomposite anion-exchange membranes (AEMs) with improved features for direct alkaline fuel cell applications. AEMs based on chitosan (CS), magnesium hydroxide (Mg(OH)2), and graphene oxide (GO) with benzyltrimethylammonium chloride (BTMAC) … Continue reading
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Enhancement of Charge Transport in Polythiophene Semi- conducting Polymer by Blending with Graphene Nanoparticles
We presented a study on the charge transport in a composite of liquid‐exfoliated graphene nanoparticles (GNPs) and a polythiophene semiconducting polymer. While the former component is highly conducting, although it consists of isolated nanostructures, the latter offers an efficient charge … Continue reading
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Enhanced photoconductivity of semiconductor polymers using graphene nanoflakes
We have examined the effect of the addition of graphene nanoflakes (GNs) to improve the field-effect mobility of poly(3-hexylthiophene) (P3HT)-based field-effect transistors (FETs). We observe that the FET mobility increases up to 0.02 cm2/Vs at GNs concentration of 0.06 mg/mL. The remarkable … Continue reading
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The role of charge transfer at reduced graphene oxide/organic semiconductor interface on the charge transport properties
We have published the results of a study of the effect of 1-pyrenesulfonicacid sodium salt (1-PSA), tetracyanoethylene (TCNE) and tetrafluoro- tetracyanoquinodimethane (F4-TCNQ) on charge transport properties of reduced graphene oxide (RGO) is examined by measuring the transfer characteristics of field-effect … Continue reading
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Characterisation of charge carrier transport in thin organic semiconductor layers by time-of-flight photocurrent measure- ments
We have prepared a review of recent advances in characterisation of charge carrier transport in organic semiconductor layers by time-of-flight photocurrent measurements, with the emphasis on the measurements of the samples with co-planar electrodes. These samples comprised an organic semiconductor … Continue reading
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Self-suspended nanomesh scaffold for ultrafast flexible photodetectors based on organic semiconducting crystals
Our group was involved in a study of transient photocurrent responses of self‐standing nanostructures. These devices are of fundamental interest in materials science and nanoscience and are widely used in (opto‐)electronic and photonic devices as well as in micro‐electromechanical systems. … Continue reading
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