The University of Tokyo

Denso Corporation

Aalto University

Shigeo Maruyama

Kehang Cui

Yutaka Matsuo

Taiki Inoue

Il Jeon

Rong Xiang

Albert G Nasibulin

Shohei Chiashi

Esko I Kauppinen

Yoichi Murakami

Keigo Ohtsuka

The present invention provides a light-transmitting electrode which has high electrical conductivity and high electron blocking performance. The present invention also provides a solar cell which is capable of achieving high energy conversion efficiency at low cost. The present invention provides a method for producing a light-transmitting electrode that has a light-transmitting substrate, a carbon nanotube film which is formed directly or indirectly on the light-transmitting substrate, and a metal oxide film which is formed directly on the carbon nanotube film. This production method includes vapor depositing the metal oxide film, which contains oxygen and a metal element belonging to the group 4, 5 or 6 of the periodic table, on one surface or both surfaces of the carbon nanotube film. The present invention provides a light-transmitting electrode which includes a light-transmitting substrate and a conductive carbon nanotube film that is formed directly or indirectly on the light-transmitting substrate.

Light-transmitting electrode having carbon nanotube film, solar cell, method for producing light-transmitting electrode having carbon nanotube film, and method for manufacturing solar cell

The present invention provides a laminate structure in which the properties of a single-walled CNT, which are susceptible to surrounding environment, are stabilized by protecting the surface of the single-walled CNT with a proper substance, and/or another property is imparted to the single-walled CNT. The present invention provides a structure which comprises a first single-walled carbon nanotube having a length of 50 nm or longer, preferably 100 nm or longer, and a second layer laminated on the first single-walled carbon nanotube, wherein the second layer comprises at least one substance selected from the group A consisting of first boron nitride, first transition metal dichalcogenide, second carbon, first black phosphorus and first silicon.

Single-walled carbon nanotube and structure having layer laminated on said single-walled carbon nanotube, and method for producing same

In order to obtain a carbon nanotube array including no m-CNTs through simple steps using a mechanism that is different from thermocapillary flow, there are provided a process for producing a carbon nanotube array including (A) a step of preparing a carbon nanotube array in which m-CNTs and s-CNTs are horizontally aligned; (B) a step of forming an organic layer on the carbon nanotube array; (C) a step of applying voltage to the carbon nanotube array in a long axis direction of the carbon nanotubes constituting the carbon nanotube array in the air; and (D) a step of removing the organic layer, and a carbon nanotube array obtained by the process.

Carbon nanotube array, material, electronic device, process for producing carbon nanotube array, and process for producing field effect transistor

The invention provides a composite comprising a substrate and a membrane of vertically aligned carbon nanotubes formed on the substrate which membrane is independent of the material of the substrate and a process for the production of the same. A process for producing the first composite comprising the first substrate and vertically aligned carbon nanotubes formed on the first substrate which comprises the step (a) of preparing the second composite comprising the second substrate made of quartz or silicon and vertically aligned carbon nanotubes formed on the second substrate, the step (b) of subjecting the second composite to water immersion wherein the temperature (T) of the water is higher than the temperature (T) of the second composite with a temperature difference &#x394;T (=T&#x2212;T) of at least 25&#xb0; C. to make the carbon nanotubes peel off the second substrate and arrange them either in water or on the surface thereof, and the step (c) of arranging the resulting vertically aligned carbon nanotubes on the first substrate.

Carbon nanotube freestanding membrane, process for production of the same, composites having carbon nanotube membranes and process for production thereof

Disclosed are a method for producing a carbon nanotube (CNT) whereby, in the local synthesis of CNTs, a high resolution, a low cost, easiness in production and mass production capability can be established at the same time; and a two-dimensionally patterned CNT obtained thereby.

Method for producing two-dimensionally patterned carbon nanotube and two-dimensionally patterned carbon nanotube

The present invention provides: a film that comprises single-layer carbon nanotubes having shapes which enable the characteristics thereof to be sufficiently exhibited; and a process for producing the film. The film, which comprises single-layer carbon nanotubes, has portions where single-layer carbon nanotubes are densely present and portions where single-layer carbon nanotubes are sparsely present, the dense portions forming a pseudo-honeycomb structure in a surface of the film.

Film comprising single-layer carbon nanotubes and having dense portions and sparse portions, process for producing same, and material including said film and process for producing same

Growing community of inventors

Tokyo, Japan

Shigeo Maruyama