Abstract: A photosensitive device that includes a conductive electrode, a dielectric layer, a sensing electrode composed of a two-dimensional layered material, and a photoactive layer which can be configured to absorb electromagnetic radiation. The photosensitive device also includes a single-ended measurement electrode for determining the electric potential of the sensing electrode.

Abstract: An apparatus including an open interconnected wall structure having one or more pores, the open interconnected wall structure including a first electrode material, the pores including an electrolyte and a second electrode material, wherein the electrolyte and second electrode material are supported on the first electrode material within the pores such that the first electrode material is separated from the second electrode material by the electrolyte to enable the generation and/or storage of electrical energy using the apparatus.

Abstract: An apparatus including an open interconnected wall structure having one or more pores, the open interconnected wall structure including a first electrode material, the pores including an electrolyte and a second electrode material, wherein the electrolyte and second electrode material are supported on the first electrode material within the pores such that the first electrode material is separated from the second electrode material by the electrolyte to enable the generation and/or storage of electrical energy using the apparatus.

Abstract: A photosensitive device that includes a conductive electrode, a dielectric layer, a sensing electrode composed of a two-dimensional layered material, and a photoactive layer which can be configured to absorb electromagnetic radiation. The photosensitive device also includes a single-ended measurement electrode for determining the electric potential of the sensing electrode.

Abstract: A method and apparatus, the method comprising: depositing (11) a quantum dot solution (23) onto a first substrate (21); solidifying (13) the quantum dot solution (23) on the first substrate (21) to form a solid layer (25) of quantum dots; arranging (15) the first substrate (21) overlaying a second substrate (27) so that an electrical connection is established between the solid layer (25) of quantum dots and one or more electrical components on the second substrate (27).

Abstract: A device is disclosed which comprises a first electrode (101), a second electrode (104) spaced from the first electrode, a switching region (102) positioned between the first electrode and the second electrode, and an intermediate region (103) positioned between the switching region and the second electrode, wherein the intermediate region is in electrical contact with the switching region and the second electrode. Preferably, the intermediate region comprises metal nanowires (105) in a polymer matrix, and the device is a memristor or a memcapacitor. In the latter case, the switching region comprises a conductive material (106) and an insulating material (107).

Abstract: A device is disclosed which comprises a first electrode (101), a second electrode (104) spaced from the first electrode, a switching region (102) positioned between the first electrode and the second electrode, and an intermediate region (103) positioned between the switching region and the second electrode, wherein the intermediate region is in electrical contact with the switching region and the second electrode. Preferably, the intermediate region comprises metal nanowires (105) in a polymer matrix, and the device is a memristor or a memcapacitor. In the latter case, the switching region comprises a conductive material (106) and an insulating material (107).

Abstract: An electrode comprises graphene, titanium dioxide and a binder, the binder configured to facilitate the binding together of the graphene and titanium dioxide to form the electrode.

Abstract: An apparatus including at least one processor and at least one memory including computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to provide a first state or a second state for an electrode, wherein in the first state, the electrode is configured for use in the detection of touch input, and in the second state, the electrode is configured for use in the provision of haptic feedback.

Abstract: A device is disclosed which comprises a first electrode (101), a second electrode (104) spaced from the first electrode, a switching region (102) positioned between the first electrode and the second electrode, and an intermediate region (103) positioned between the switching region and the second electrode, wherein the intermediate region is in electrical contact with the switching region and the second electrode. Preferably, the intermediate region comprises metal nanowires (105) in a polymer matrix, and the device is a memristor or a memcapacitor. In the latter case, the switching region comprises a conductive material (106) and an insulating material (107).

Abstract: An apparatus includes a deformable structure in which a neural network comprising a plurality of deformation sensors, e.g. nanowire sensors, and distributed in-situ processing circuits. The circuits generate a signal characterizing features of the local deformation of the structure and/or a command signal corresponding to the detected deformation. The structure may be a wearable sleeve that conforms to deformations of a user's skin, part of an electronic device, such as a touch sensitive screen, or an object in itself. The apparatus can provide a user interface, wherein a command corresponding to a current shape of the structure is generated and acted upon by a integrated or remote device, or a device for monitoring a user's position or movement e.g. for replication by a robotic device. The apparatus may have machine learning capability to improve the matching of commands with determined shapes of the deformable structure.

Abstract: An apparatus including a charge storage component; and an energy harvesting component wherein the charge storage component and the energy harvesting component are integrated via a common electrode.

Abstract: A mixture including a room temperature ionic liquid; and a reversible source/sink of lithium ions. The mixture may be used as a lithium-ion battery electrode slurry enabling flexible lithium-ion batteries.

Abstract: An apparatus including a flexible substrate of electrically insulating material, and an electrically conductive polymer, wherein the electrically conductive polymer is retained by the flexible substrate to form together at least part of an electrode of an electrical storage apparatus such that the electrically conductive polymer provides an electrical path for electrons which are generated and/or stored by the electrical storage apparatus.

Abstract: An apparatus including a substrate and an active material, the substrate including an open interconnected wall structure of electrically conductive material having one or more pores, the open interconnected wall structure providing the substrate upon which the active material is supported, wherein the active material includes an electrically insulating lithium-based compound configured for use in generating and/or storing electrons, and wherein the open interconnected wall structure is configured to act as a charge collector for the generated and/or stored electrons through which an electrical path for the electrons is provided.

Abstract: An apparatus including a layer of electrically conductive material with an open interconnected wall structure of electrically conductive material formed thereon, the open interconnected wall structure having a gyroid structure including one or more open pores into which an active material for use in generating and/or storing electrical charge can be deposited, wherein the layer of electrically conductive material and the open interconnected wall structure together form a charge collector which provides an electrical path from the active material for the generated and/or stored electrical charge.

Abstract: An electrode, the electrode including a conducting layer configured to act, in use, as a charge collector to provide an electrical path for generated and/or stored charge through the conducting layer; a barrier layer, the barrier layer configured to cover a portion of a surface of said conducting layer such that, when the electrode is in contact with an electrolyte, the electrolyte is prevented from substantially contacting and corroding the conducting layer at the covered portion; and an active electrode element configured for use in generation and/or storing charge, the active electrode element positioned in a non-covered portion in electrical contact with the conducting layer to prevent the electrolyte from substantially contacting and corroding the conducting layer in the non-covered portion and to also be exposed to said electrolyte to allow for the generation and/or storage of charge and provide the generated/stored charge to the conducting layer.

Abstract: An apparatus including first and second sensor elements, the first sensor element includes a first sensor material. The second sensor element includes a second sensor material. The first sensor material is configured such that an electrical property of the first sensor material is dependent upon the temperature of the environment in which the first and second sensor elements are located. The second sensor material is configured such that the same electrical property of the second sensor material is dependent upon the relative vapor pressure of a fluid in the environment in which the first and second sensor elements are located, the respective temperature and fluid relative vapor pressure dependencies of the first and second sensor materials allowing the temperature and fluid relative vapor pressure of the environment to be determined based on combined measurements of the electrical property of the first and second sensor materials in the environment.

Abstract: An apparatus including a capacitance touch sensor arrangement configured to have a variable capacitance that varies when a user finger touches the capacitance touch sensor arrangement; and at least one variable resistor sensor integrated within the capacitance touch sensor arrangement wherein the variable resistor sensor has a variable resistance that varies with a sensed parameter; the apparatus including an input configured to receive an input signal including a time varying component and an output configured to provide an output signal that depends upon both the capacitance of the capacitance touch sensor arrangement and the resistance of the variable resistance sensor.

Abstract: An apparatus including a sensor array, configured to produce an array output value in response to an environmental stimulus, and a controller, the sensor array including a plurality of sensors and a common output terminal connected to the respective outputs of the sensors, each sensor having first and second electrodes configured to output a respective sensor output value in a particular environment based on the areas of the first and second electrodes and/or the spacing therebetween, the controller configured to control which of the sensors are connected to the common output terminal using respective switches to vary the effective area and/or spacing of the sensor array such that the array output value at the common output terminal, based on the contribution of the respective sensor output values of the connected sensors, is held at a reference value.