A solar cell device having a solid state light absorber region that incorporates a donor-acceptor particle structure. The particle structure includes acceptor particles that generate a flow of electrons in the solid state light absorber region in response to absorbed photons; and donor particles comprising a phosphorescent material, wherein each donor particle is coupled to a group of acceptor particles, and wherein the phosphorescent material absorbs high energy photons and emits lower energy photons that are absorbed by the acceptor particles.

In one aspect of the invention, a dye sensitized solar cell has a counter-electrode including carbon-titania nanocomposite thin films made by forming a carbon-based ink; forming a titania (TiO.sub.2) solution; blade-coating a mechanical mixture of the carbon-based ink and the titania solution onto a substrate; and annealing the blade-coated substrate at a first temperature for a first period of time to obtain the carbon-based titania nanocomposite thin films. In certain embodiments, the carbon-based titania nanocomposite thin films may include solvent-exfoliated graphene titania (SEG-TiO.sub.2) nanocomposite thin films, or single walled carbon nanotube titania (SWCNT-TiO.sub.2) nanocomposite thin films.

Provided is a solar cell module and a manufacturing method thereof, and a photovoltaic module. The solar cell module includes a substrate; and conductive layers arranged on a surface of the substrate and separated from each other. Solar sub-cells are provided on a surface of the conductive layer. Grooves are provided between adjacent solar sub-cells to separate the solar sub-cells from each other. Each of the solar sub-cells includes a hole transport layer, a perovskite layer and an electron transport layer that are stacked on the surface of the conductive layer. The hole transport layer of each solar sub-cell includes branch electrodes separated from each other. Each of the branch electrodes contacts an interior of the conductive layer. The solar cell module further includes an electrode. The electrode successively passes through the electron transport layer and the perovskite layer and is connected to the branch electrodes.

An oxide layer (2) of tin or niobium is formed on one surface of a carbon nanotube-containing layer (1) containing carbon nanotubes having an average diameter (Av) and a diameter standard deviation (σ) that satisfy a relationship 0.60>3σ/Av>0.20.

A solar cell includes a porous light absorbing layer, a first porous conducting layer, a second conducting layer, a porous substrate between the conducting layers, the porous substrate includes a catalytic conducting portion in electrical contact with the second conducting layer and an insulating portion between the first porous conducting layer and the conducting portion, and a conducting medium for transporting charges between the conducting portion and the light absorbing layer. The conducting medium is located in the light absorbing layer, the first porous conducting layer, and partly the porous substrate so that the insulating portion and a first part of the conducting portion has the conducting medium and a second part of the conducting portion is free of conducting medium.

A dye-sensitized solar cell having a porous conductive powder layer, which layer is formed by deposition of a deposit comprising metal hydride particles onto a substrate; heating the deposit in a subsequent heating step in order to decompose the metal hydride particles to metal particles; and sinter said metal particles for forming a porous conductive powder layer.

Electrode comprising a conductive substrate on which a uniform layer of aggregates A, having an average diameter ranging from 40 to 100 nm, is deposited, on which a non-homogeneous distribution of aggregates B, having an average diameter ranging from 300 nm to 1,200 nm, is superimposed, both of said aggregates being composed of particles containing one or more metals Me selected from platinum, palladium and gold, having an average diameter ranging from 8 to 10 nm. The use of said electrode, as cathode, for DSSC devices produces a marked improvement in the performances of the cell with respect to the results that can be obtained with known cathodes.

The present invention concerns a device for room temperature reverse-bias operation photo-detection. The device comprising:—a planar first electrode extending in a planar direction;—a second electrode positioned above the first electrode in a direction substantially perpendicular to said planar direction; and—an active region sandwiched between the first and second electrode. The active region consists of a light absorbing perovskite and wherein the light absorbing perovskite is in direct contact with at least one of the first and second electrodes.

A dye-sensitized photoelectric conversion element including a cell is disclosed. The cell includes a conductive substrate and a transparent conductive layer, a counter substrate facing the conductive substrate and including a metal substrate, a semiconductor layer provided on the conductive substrate, a sealing portion bonding the conductive and the counter substrates, a connecting portion connecting one end of a wiring material and the metal substrate, and a portion to be connected which is connected to the other end of the wiring material, the connecting portion contains first conductive particles, a filler, and a binder resin, the wiring material contains second conductive particles and a binder resin, an average particle diameter of the first conductive particles is greater than that of the filler in the connecting portion, and a content rate of the filler in the connecting portion is greater than that of the filler in the wiring material.

The dye-sensitized solar panel includes a metal oxide layer and an organic photosensitizing dye on the metal oxide layer. The organic photosensitizing dye is extracted from chard (B. vulgaris subsp. cicla), and the metal oxide layer is composed of zinc oxide nanoparticles synthesized using B. vulgaris subsp. cicla dye as a reducing agent. A working electrode is mounted on a first transparent substrate. The working electrode includes a metal electrode and the metal oxide layer formed thereon. A counter electrode is mounted on a second transparent substrate. An electrolyte is sandwiched between the working electrode and the counter electrode.