Kabushiki Kaisha Toshiba

Toshiba Energy Systems & Solutions Corporation

Toshiba Materials Co., Ltd.

Toshiba Lighting & Technology Corporation

Other

Toshiba Memory Corporation

Naomi Shida

Toru Ushirogouchi

Koji Asakawa

Takeshi Okino

Katsuyuki Naito

Makoto Nakase

Satoshi Saito

Yutaka Saita

Masaaki Tamatani

Yasushi Hattori

Ryosuke Hiramatsu

Reiko Yoshimura

Kazuaki Ootsuka

Kenji Todori

Tsukasa Tada

Shigehiko Mori

Yoshihito Tsutsui

Ikuo Yoneda

Masahiro Yamamoto

Mitsunaga Saito

Hiroyuki Kashiwagi

Takuya Naito

Kei Kaneko

Takeshi Niimoto

Shinji Saito

Genichi Hatakoshi

Naoko Kihara

Ko Yamada

Shinya Nunoue

Yoshihiko Nakano

Yasuyuki Hotta

Fumihiko Aiga

Masakazu Yamagiwa

Hiroki Iwanaga

Akio Amano

Shuji Hayase

Takahiro Kokubo

Kohei Nara

Hisayo Uetake

Yoshiaki Fukuzumi

Hideaki Aochi

Takashi Kuboki

Yasuhiro Kato

Koichi Tachibana

Shinji Murai

Keizo Inoue

Iwao Mitsuishi

Masami Okamura

Rumiko Hayase

Kiyoharu Tsutsumi

Yoshinori Funaki

Yukihiro Fukuta

Akira Yoshizumi

Yoshiaki Kawamonzen

Takehiko Muramatsu

Hirokazu Niki

Akinori Hongu

Yukishige Maezawa

Hiroko Watando

Hiroaki Hirazawa

Kazuaki Otsuka

Akira Takaragi

Toru Ushirogochi

Sinya Nunoue

According to one embodiment, a coating apparatus includes a coating bar configured to face a member to be coated, and a plurality of nozzles configured to supply a liquid toward the coating bar. A number of the nozzles is 3 or more. An arithmetic mean roughness Ra of at least a part of a surface of the coating bar is not less than 0.5 μm and not more than 10 μm.

Coating apparatus and coating method

The present embodiment provides a transparent electrode, a transparent electrode production process and a photoelectric conversion device. The transparent electrode comprises a patterned electrode layer formed on a transparent substrate. The electrode layer has an electroconductive film containing metal nanowires and also has a film of N-graphene. In the graphene carbon skeleton of the N-graphene, carbon atoms are partly substituted with nitrogen atoms. The transparent electrode can be produced by: forming an electroconductive layer by coating with a dispersion containing metal nanowires; then forming an N-graphene film thereon; and subsequently patterning them.

Transparent electrode, process for producing transparent electrode, and photoelectric conversion device comprising transparent electrode

According to one embodiment of the invention, a coating apparatus includes a first pipe, a first pump, a first nozzle, a second nozzle, and a holder. The first pipe includes a first inflow port, a first outflow port, and a second outflow port. The first pump is configured to supply liquid toward the first inflow port. The first nozzle includes a first nozzle inflow port and a first nozzle discharge port. The first nozzle inflow port is connected to the first outflow port. The first nozzle discharge port is configured to discharge the liquid passing through the first pipe. The second nozzle includes a second nozzle inflow port and a second discharge port. The second nozzle inflow port is connected to the second outflow port. The second nozzle discharge port is configured to discharge the liquid passing through the first pipe. The holder holds the first nozzle and the second nozzle. The holder is configured to form a first state and a second state. In the first state, a height of the first nozzle discharge port and a height of the second nozzle discharge port are not less than a height of the first pipe. In the second state, the height of the first nozzle discharge port and the height of the second nozzle discharge port are lower than the height of the first pipe.

The embodiment provides a graphene-containing membrane producible by wet-coating and excellent in electric properties, a process for producing the membrane, a graphene-containing membrane laminate, and a photoelectric conversion device using the graphene-containing membrane. The graphene-containing membrane contains graphene having a graphene skeleton combined with polyalkylenimine chains. The membrane has a ratio of the photoelectron intensity at the energy peak position of C1s orbital to that at the bonding energy on an X-ray photoelectron spectrum measured on an ITO film of 288 eV in a range of 5.5 to 20. This membrane can be produced by heating a graphene oxide-containing film in the presence of polyalkyleneimine and further heating the film in the presence of a reducing agent. The graphene-containing membrane can be so installed in a photoelectric conversion device that it is placed between the photoelectric conversion layer and the electrode.

Graphene-containing membrane, process for producing the same, graphene-containing membrane laminate and photoelectric conversion device

The embodiment provides a transparent electrode having low resistance and high stability against impurities such as halogen and sulfur, a method of producing the transparent electrode, and an electronic device using the transparent electrode. A transparent electrode according to an embodiment includes a transparent substrate and a plurality of conductive regions disposed on a surface of the transparent substrate and separated from each other by a separation region, wherein the conductive region has a structure in which a first transparent conductive metal oxide layer, a metal layer, and a second transparent conductive metal oxide layer are laminated in this order from the substrate side, and in the separation region, there is disposed a trapping material. This transparent electrode can be produced by scribing the conductive region to form a separation region, and then using a halide or a sulfur compound.

Transparent electrode, method of producing transparent electrode, and electronic device

According to one embodiment, a coating head includes a coating bar, nozzles, a first member, second members, third members, elastic members, and a position controller. The coating bar faces a coating member. The nozzles supply a liquid toward the coating bar. The first member includes first recesses. A portion of the nozzles is between the first recesses and the third members. The portion of the nozzles and the third members are fixed to the first member by the second members. The elastic members are located in at least first, second, or third positions. The first position is between the third members and the second members. The second position is between the portion of the first recesses and the nozzles. The third position is between the portion of the nozzles and the third members. The position controller controls a relative position between the coating bar and the nozzles.

Coating head, coating apparatus, and coating method

The present embodiments provide a transparent electrode having a laminate structure of: a metal oxide layer having an amorphous structure and electroconductivity, and a metal nanowire layer; and further comprising an auxiliary metal wiring. The auxiliary metal wiring covers a part of the metal nanowire layer or of the metal oxide layer, and is connected to the metal nanowire layer.

Transparent electrode, device employing the same, and manufacturing method of the device

The present embodiment provide a method for evaluating anion permeability of a graphene-containing membrane and also to provide a photoelectric conversion device employing a graphene-containing membrane having controlled anion permeability. The method comprises: preparing a measuring apparatus comprising an aqueous solution containing anions, a working electrode containing silver-metal, a counter electrode and a reference electrode; measuring the reaction current Ibetween the silver-metal and the anions while the electrode potential of the working electrode to the counter electrode is being periodically changed and driven under the condition that the electrodes are in contact with the aqueous solution;measuring the reaction current Iunder the condition that, instead of the working electrode, the graphene-containing membrane electrically connecting to the working electrode is in contact with the aqueous solution; andcomparing the currents Iand Ito evaluate anion-permeability of the graphene-containing membrane.

Evaluation method on anion permeability of graphene-containing membrane and photoelectric conversion device

An embodiment of the present invention provides a coating method, a coating bar head and a coating apparatus which enables coating in which changes in coating film thickness is less likely to occur, even when performing meniscus coating at a high speed. This coating method is a coating method including: supplying a coating liquid between a coating bar head and a substrate to form a meniscus; and moving the substrate, wherein a cross section of the coating surface of the bar head in the direction of coating, is a convex curve, and has bending points at both ends of the curve.

Coating method, coating bar head and coating apparatus

The embodiments provide a method making it possible to safely and inexpensively measure concentrations of combustible gases, such as methanol, at room temperature even in high concentration atmospheres, and also provide a sensor making it possible to carry out the above measurement method. The measurement method comprises:

Method for measuring combustible gas concentration, combustible gas sensor, and combustible gas sensor production process

The embodiments provide a process for easily producing an electrode having low resistance, easily subjected to post-process and hardly impairing the device; and also provide, as its application, a production process for a photoelectric conversion device. The process comprises the steps of:

Process for producing electrode and process for producing photoelectric conversion device

The embodiments provide a process and an apparatus for easily producing a transparent electrode of low resistance and of high transparency. The process comprises: coating a hydrophobic polymer film with a dispersion of metal nanowires, press-bonding an electroconductive substrate directly onto the metal nanowires on the polymer film, and peeling and transferring the metal nanowires from the polymer film onto the conductive substrate. The embodiments also relates to an apparatus for the process.

Process and apparatus for producing transparent electrode

The embodiment provides a graphene-containing membrane producible by wet-coating and excellent in electric properties, a process for producing the membrane, a graphene-containing membrane laminate, and a photoelectric conversion device using the graphene-containing membrane. The graphene-containing membrane contains graphene having a graphene skeleton combined with polyalkyleneimine chains. The membrane has a ratio of the photoelectron intensity at the energy peak position of C1s orbital to that at the bonding energy on an X-ray photoelectron spectrum measured on an ITO film of 288 eV in a range of 5.5 to 20. This membrane can be produced by heating a graphene oxide-containing film in the presence of polyalkyleneimine and further heating the film in the presence of a reducing agent. The graphene-containing membrane can be so installed in a photoelectric conversion device that it is placed between the photoelectric conversion layer and the electrode.

The present embodiments provide a transparent electrode having a laminate structure of:

Transparent electrode, manufacturing method thereof and electronic device employing the transparent electrode

Growing community of inventors

Tokyo, Japan

Naomi Shida