Provided are devices and methods to detect the presence of volatile organic compounds related to the presence of a disease state in a biological sample. The devices may include a detection moiety such as a polynucleotide in electronic communication with a semiconductor such as graphene or a carbon nanotube.

A roll-to-roll printing process for large scale manufacturing of nanosensor systems for sensing pathophysiological signals is disclosed. The roll-to-roll manufacturing process may include three processes to improve the throughput and to reduce the cost in manufacturing: fabrication of textile based nanosensors, printing conductive tracks, and integration of electronics. The wireless nanosensor systems can be used in different monitoring applications. The fabric sheet printed and integrated with the customized components can be used in a variety of different applications. The electronics in the nanosensor systems connect to remote severs through adhoc networks or cloud networks with standard communication protocols or non-standard customized protocols for remote health monitoring.

A thin film transistor includes a gate electrode, an insulating layer disposed on the gate electrode, and an active layer disposed on the insulating layer, where the active layer includes a perovskite compound represented by the following Formula: AB.sub.(1-u)C.sub.(u)[X.sub.(1-v)Y.sub.(v)].sub.3, where A is a monovalent organic cation, a monovalent inorganic cation, or any combination thereof, B is Sn.sup.2+, C is a divalent cation or trivalent cation, X is a monovalent anion, Y is a monovalent anion different from X, u is a real number greater than 0 and less than 1, and v is a real number greater than 0 and less than 1.

A transistor and a fabrication method thereof. A transistor includes a channel region including linkers, formed on a substrate, and a metallic nanoparticle grown from metal ions bonded to the linkers, a source region disposed at one end of the channel region, a drain region disposed at the other end of the channel region opposite of the source region, and a gate coupled to the channel region and serving to control migration of at least one charges in the channel region.

Provided is a CNT composite capable of achieving both high detection sensitivity and specific detection when used as a sensor. The carbon nanotube composite includes an aggregation inhibitor (A) and a blocking agent (B) attached to at least a portion of a surface.

Electronic ratchet devices comprising a pair of first and second electrodes; a dielectric layer; a gate electrode layer; and a transport layer are disclosed herein.

Organic semiconductor compositions (OSCs) compatible with laser printing techniques are described herein. In being compatible with laser printing techniques, the OSCs are in particulate form and generally comprise an organic semiconductor component and carrier. The organic semiconductor component can comprise any small molecule semiconductor or polymeric semiconductor not inconsistent with the laser printing methods.

The inventive concept relates to a three-dimensional crosslinker composition and a method of manufacturing an electronic device using the same. According to the inventive concept, the three-dimensional crosslinker composition may be represented by Formula 1 below.

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Provided herein is a sequentially processed fabrication method involving donor-acceptor conjugated polymers with temperature dependent aggregation (TDA) useful for the preparation of organic semiconductors with improved properties.

The method for producing an electrically conductive polymer material includes: a preparing step of providing a polymer film formed from an oriented polymeric semiconductor; and a doping step of introducing a first ion into the polymer film, in the doping step, a treatment liquid, which is obtained by dissolving, in an ionic liquid including the first ion having the opposite polarity to carriers to be injected into the polymeric semiconductor by doping in the form of a cation and an anion or an organic solvent having dissolved therein a salt including the first ion, a dopant which has the same polarity as that of the first ion and which oxidizes or reduces the polymeric semiconductor, is allowed to be in contact with the surface of the polymer film to form an intermediate of a second ion formed by ionization of the dopant and the polymeric semiconductor by a redox reaction, and to replace the second ion in the intermediate with the first ion.