公开(公告)号：US20240359984A1

公开(公告)日：2024-10-31

申请号：US18768715

申请日：2024-07-10

申请人： NATIONAL UNIVERSITY CORPORATION TOKAI NATIONAL HIGHER EDUCATION AND RESEARCH SYSTEM ,  NAGASE VIITA CO., LTD.

发明人： Haruka OMACHI ,  Hisanori SHINOHARA ,  Hikaru WATANABE

IPC分类号： C01B32/159 ,  C01B32/172 ,  C01B32/174 ,  H10K85/20

CPC分类号： C01B32/159 ,  C01B32/172 ,  C01B32/174 ,  H10K85/221 ,  C01B2202/00 ,  Y10S977/742 ,  Y10S977/842 ,  Y10S977/845

摘要： Producing a semiconductor device having a semiconductor layer containing semiconducting carbon nanotube produced through a method including: mixing a first substance, a second substance which undergoes two-phase separation when mixed with the first substance in solution, an alkyl chain-containing surfactant, a steroidal surfactant, and a mixture of metallic and semiconducting carbon nanotubes with a solvent, to prepare a dispersion; and separating the dispersion into a first layer mainly containing the first substance and a second layer mainly containing the second substance, whereby the semiconducting carbon nanotube is transferred into one of the first and second layers, and the metallic carbon nanotube is transferred into the other layer; and the first substance is an α-glucan composed of glucose linked via α-glucosidic linkage and having a weight average molecular weight of 4,000 to 7,000 and a ratio of α-1, 6 linked glucose residues to the entire glucose residues of 40 to 70%.

公开(公告)号：US12065355B2

公开(公告)日：2024-08-20

申请号：US17277525

申请日：2019-08-08

申请人： NATIONAL UNIVERSITY CORPORATION TOKAI NATIONAL HIGHER EDUCATION AND RESEARCH SYSTEM ,  NAGASE VIITA CO., LTD.

发明人： Haruka Omachi ,  Hisanori Shinohara ,  Hikaru Watanabe

IPC分类号： C01B32/159 ,  C01B32/172 ,  C01B32/174 ,  H10K85/20

CPC分类号： C01B32/159 ,  C01B32/172 ,  C01B32/174 ,  H10K85/221 ,  C01B2202/00 ,  Y10S977/742 ,  Y10S977/842 ,  Y10S977/845

摘要： To reduce cost for the method for separating semiconducting carbon nanotube from a mixture of metallic and semiconducting carbon nanotubes. The separation method includes preparing a dispersion by mixing a first substance, a second substance, SDS, SC, and a mixture of metallic and semiconducting carbon nanotubes with a solvent, wherein the dispersion into two layers, which are a first layer mainly containing the first substance and a second layer mainly containing the second substance, whereby the semiconducting carbon nanotube is transferred into the first layer, and the metallic carbon nanotube is transferred into the second layer, wherein the first substance is an α-glucan which is composed of glucose linked via α-glucosidic linkage and which has a weight average molecular weight Mw of 4,000 to 7,000 and has a ratio in amount of α-1, 6 linked glucose residues to the entire glucose residues of 40 to 70%.