公开(公告)号：US12181431B2

公开(公告)日：2024-12-31

申请号：US17267184

申请日：2019-08-13

Applicant: National Research Council of Canada

Inventor： Chang Guo ,  Jianying Ouyang ,  Zhao Li ,  Jianfu Ding ,  Patrick Roland Lucien Malenfant

IPC: G01N27/12 ,  B82Y30/00 ,  B82Y40/00 ,  C01B32/172 ,  C01B32/174 ,  C08G61/12 ,  B82Y35/00

Abstract: A compound of Formula (0): where Ar is one or more substituted or unsubstituted aromatic units, R is independently H, F, CN, a C1-C20 linear or branched aliphatic group or a C1-C20 linear or branched aliphatic acyl group, and n is an integer 3 or greater, is useful for sorting and dispersing carbon nanotubes (CNTs) and for producing printed electronic devices (e.g. CO2 sensors, TFTs) in which the CNTs are functionalized with the compound.

公开(公告)号：US11873413B2

公开(公告)日：2024-01-16

申请号：US17265572

申请日：2019-08-02

Applicant: National Research Council of Canada

Inventor： Xiangyang Liu ,  Jianfu Ding ,  Patrick Roland Lucien Malenfant ,  Chantal Paquet ,  Bhavana Deore ,  Arnold J. Kell

IPC: C09D11/52 ,  C09D11/033 ,  C09D11/101 ,  H01B1/22

CPC classification number: C09D11/52 ,  C09D11/033 ,  C09D11/101 ,  H01B1/22

Abstract: A printable molecular ink that is can be treated (e.g. dried or curable) and sintered using broad spectrum ultraviolet light is provided to produce electrically conductive traces on a low temperature substrate, for example PET. The ink includes a silver or copper carboxylate, an organic amine compound, and may include a thermal protecting agent.

公开(公告)号：US10723895B2

公开(公告)日：2020-07-28

申请号：US16068298

申请日：2016-04-19

Applicant: National Research Council of Canada

Inventor： Jianfu Ding ,  Zhao Li ,  Patrick Malenfant

IPC: H01B1/00 ,  C09D11/00 ,  C09D11/03 ,  C09D11/52 ,  C09D11/102 ,  C08G61/02 ,  H05K1/09 ,  C01B32/159 ,  C08G61/12 ,  C01B32/172 ,  C09D11/037 ,  H01B1/24 ,  C08K3/04 ,  C08L65/00

Abstract: A single-walled carbon nanotube composition includes single-walled carbon nanotubes substantially enriched in semiconducting single-walled carbon nanotubes in association with a polymer having one or more oligoether side groups. The oligoether side groups render the composition dispersable in polar organic solvents, for example alkyl carbitols, permitting formulation of ink compositions containing single-walled carbon nanotubes substantially enriched in semiconducting single-walled carbon nanotubes. Such ink compositions may be readily printed using common printing methods, such as inkjet, flexography and gravure printing.

公开(公告)号：US10121968B2

公开(公告)日：2018-11-06

申请号：US15401421

申请日：2017-01-09

Applicant: NATIONAL RESEARCH COUNCIL OF CANADA

Inventor： Zhao Li ,  Jianfu Ding ,  Patrick Roland Lucien Malenfant

IPC: H01L51/00 ,  H01L51/05 ,  C08G61/12

Abstract: A process for purifying semiconducting single-walled carbon nanotubes (sc-SWCNTs) extracted with a conjugated polymer, the process comprising exchanging the conjugated polymer with an s-tetrazine based polymer in a processed sc-SWCNT dispersion that comprises the conjugated polymer associated with the sc-SWCNTs. The process can be used for production of thin film transistors. In addition, disclosed herein is use of an s-tetrazine based polymer for purification of semiconducting single-walled carbon nanotubes (sc-SWCNTs).

公开(公告)号：US11104815B2

公开(公告)日：2021-08-31

申请号：US16907409

申请日：2020-06-22

Applicant: National Research Council of Canada

Inventor： Jianfu Ding ,  Zhao Li ,  Patrick Malenfant

IPC: C09D11/00 ,  H01B1/00 ,  C08G61/00 ,  C09D11/03 ,  C09D11/52 ,  C09D11/102 ,  C08G61/02 ,  H05K1/09 ,  C01B32/159 ,  C08G61/12 ,  C01B32/172 ,  C09D11/037 ,  H01B1/24 ,  C08K3/04 ,  C08L65/00

Abstract: A single-walled carbon nanotube composition includes single-walled carbon nanotubes substantially enriched in semiconducting single-walled carbon nanotubes in association with a polymer having one or more oligoether side groups. The oligoether side groups render the composition dispersable in polar organic solvents, for example alkyl carbitols, permitting formulation of ink compositions containing single-walled carbon nanotubes substantially enriched in semiconducting single-walled carbon nanotubes. Such ink compositions may be readily printed using common printing methods, such as inkjet, flexography and gravure printing.

公开(公告)号：US10322937B2

公开(公告)日：2019-06-18

申请号：US15612538

申请日：2017-06-02

Applicant: NATIONAL RESEARCH COUNCIL OF CANADA

Inventor： Zhao Li ,  Jianfu Ding ,  Patrick Roland Lucien Malenfant

IPC: C01B32/159 ,  B01D11/02

Abstract: A method for modulation of yield and semiconducting (sc)-purity of single-walled carbon nanotubes (SWCNTs) in a conjugated polymer extraction (CPE) process, the method comprising addition of an n-type dopant or a p-type dopant to the CPE process, wherein: the n-type dopant has a reduction potential of between −4.2 eV and −3.0 eV; and the p-type dopant has a reduction potential of between −6.0 eV and −4.5 eV.

公开(公告)号：US12114515B2

公开(公告)日：2024-10-08

申请号：US17312678

申请日：2019-12-17

Applicant: National Research Council of Canada

Inventor： Jacques Lefebvre ,  Francois Lapointe ,  Zhao Li ,  Jianfu Ding ,  Patrick Roland Lucien Malenfant

IPC: H10K10/46 ,  H10K71/12 ,  H10K85/20

CPC classification number: H10K10/484 ,  H10K71/12 ,  H10K85/221

Abstract: The present application relates to thin film transistors having a semiconducting channel comprising a network of carbon nanotubes that are electrically coupled to a source electrode and a drain electrode and electrically insulated from, but capacitively coupled to, a gate electrode, wherein a polymeric layer encapsulates the carbon nanotubes. The polymeric layer can comprise a first monomeric unit and optionally a second monomeric unit, wherein the first monomeric unit, the second monomeric unit and the relative amounts thereof are optionally selected to provide at least one target electrical property of the thin film transistor. The present application also relates to methods for manufacturing such thin film transistors as well as a methods of selecting a polymeric layer to provide a desired threshold voltage for such thin film transistors.

公开(公告)号：US20220069243A1

公开(公告)日：2022-03-03

申请号：US17312678

申请日：2019-12-17

Applicant: National Research Council of Canada

Inventor： Jacques Lefebvre ,  Francois Lapointe ,  Zhao Li ,  Jianfu Ding ,  Patrick Roland Lucien Malenfant

IPC: H01L51/05 ,  H01L51/00

Abstract: The present application relates to thin film transistors having a semiconducting channel comprising a network of carbon nanotubes that are electrically coupled to a source electrode and a drain electrode and electrically insulated from, but capacitively coupled to, a gate electrode, wherein a polymeric layer encapsulates the carbon nanotubes. The polymeric layer can comprise a first monomeric unit and optionally a second monomeric unit, wherein the first monomeric unit, the second monomeric unit and the relative amounts thereof are optionally selected to provide at least one target electrical property of the thin film transistor. The present application also relates to methods for manufacturing such thin film transistors as well as a methods of selecting a polymeric layer to provide a desired threshold voltage for such thin film transistors.

公开(公告)号：US10222346B2

公开(公告)日：2019-03-05

申请号：US15708855

申请日：2017-09-19

Applicant: NATIONAL RESEARCH COUNCIL OF CANADA

Inventor： Zhao Li ,  Jianfu Ding ,  Patrick Roland Lucien Malenfant

IPC: C01B32/159 ,  G01N27/414 ,  H01L51/05 ,  H01L51/00

Abstract: A process for purifying semiconducting single-walled carbon nanotubes (sc-SWCNTs) extracted with a conjugated polymer, the process comprising exchanging the conjugated polymer with an s-tetrazine based polymer in a processed sc-SWCNT dispersion that comprises the conjugated polymer associated with the sc-SWCNTs. The process can be used for production of thin film transistors and chemical sensors. In addition, disclosed herein is use of an s-tetrazine based polymer for purification of semiconducting single-walled carbon nanotubes (sc-SWCNTs).

公开(公告)号：US10046970B2

公开(公告)日：2018-08-14

申请号：US14912645

申请日：2014-08-18

Applicant: National Research Council of Canada

Inventor： Jianfu Ding ,  Patrick Malenfant ,  Zhao Li ,  Jacques Lefebvre ,  Fuyong Cheng ,  Benoit Simard

IPC: B01D11/02 ,  B01D21/26 ,  C01B32/16 ,  C01B32/17 ,  C01B31/02 ,  B82Y30/00 ,  C01B32/174 ,  C01B32/159 ,  C01B32/172 ,  C01B32/166 ,  B82Y40/00

Abstract: A two-step sc-SWCNT enrichment process involves a first step based on selective dispersion and extraction of semi-conducting SWCNT using conjugated polymer followed by a second step based on an adsorptive process in which the product of the first step is exposed to an inorganic absorptive medium to selectively bind predominantly metallic SWCNTs such that what remains dispersed in solution is further enriched in semiconducting SWCNTs. The process is easily scalable for large-diameter semi-conducting single-walled carbon nanotube (sc-SWCNT) enrichment with average diameters in a range, for example, of about 0.6 to 2.2 nm. The first step produces an enriched sc-SWCNT dispersion with a moderated sc-purity (98%) at a high yield, or a high purity (99% and up) at a low yield. The second step can not only enhance the purity of the polymer enriched sc-SWCNTs with a moderate purity, but also further promote the highly purified sample to an ultra-pure level. Therefore, this two-step hybrid process provides sc-SWCNT materials with a super high purity, as well as both a high sc-purity (for example greater than 99%) and a high yield (up to about 20% or higher).