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1. (WO2019027975) ENGINEERING CARBON-BASED STRUCTURES FOR SENSING APPLICATIONS
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Pub. No.: WO/2019/027975 International Application No.: PCT/US2018/044534
Publication Date: 07.02.2019 International Filing Date: 31.07.2018
IPC:
G01N 27/30 (2006.01) ,G01N 33/00 (2006.01) ,H01B 1/04 (2006.01)
G PHYSICS
01
MEASURING; TESTING
N
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
27
Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
26
by investigating electrochemical variables; by using electrolysis or electrophoresis
28
Electrolytic cell components
30
Electrodes, e.g. test electrodes; Half-cells
G PHYSICS
01
MEASURING; TESTING
N
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
33
Investigating or analysing materials by specific methods not covered by groups G01N1/-G01N31/131
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
B
CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
1
Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
04
mainly consisting of carbon-silicon compounds, carbon, or silicon
Applicants:
NEW YORK UNIVERSITY [US/US]; 70 Washington Square South New York, New York 10012, US
Inventors:
SHAHRJERDI, Davood; US
KIANI, Roozbeh; US
WU, Ting; US
Agent:
GROLZ, Edward W.; US
Priority Data:
62/539,04531.07.2017US
62/599,30315.12.2017US
Title (EN) ENGINEERING CARBON-BASED STRUCTURES FOR SENSING APPLICATIONS
(FR) STRUCTURES À BASE DE CARBONE D’INGÉNIERIE POUR APPLICATIONS DE DÉTECTION
Abstract:
(EN) Principles for reliable manufacturing carbon-based electrodes with arbitrary sensitivity and homogeneity are provided. Specifically, the sensitivity of carbon-based electrodes can be engineered by changing the density of sp2 type defects present in a multilayer graphene film. The engineered carbon-based electrodes can be used as a passive sensing element in electrochemical measurement of a target analyte. Carbon-based electrodes are also disclosed that have sp2 hybridization and can include multilayer graphene films. The disclosed carbon-based electrodes have a density of zero-dimensional defects (i.e., point-like defects) which provides enhanced area-normalized sensitivity when used in sensing applications. The maximum area-normalized sensitivity is achieved at the point defect density of 4-5x1012 cm-2.
(FR) La présente invention concerne des principes de fabrication fiable d’électrodes à base de carbone avec une sensibilité et une homogénéité arbitraires. Spécifiquement, la sensibilité d’électrodes à base de carbone peut être modulée en modifiant la densité de défauts de type sp2 présents dans un film de graphène multicouche. Les électrodes à base de carbone d’ingénierie peuvent être utilisées en tant qu’élément de détection passif dans la mesure électrochimique d’un analyte cible. L’invention concerne en outre des électrodes à base de carbone qui ont une hybridation sp2 et peuvent comprendre des films de graphène multicouches. Les électrodes à base de carbone selon l’invention ont une densité de défauts de dimension nulle (c’est-à-dire, des défauts de type point) qui produisent une sensibilité normalisée en aire améliorée lorsqu’elles sont utilisées dans des applications de détection. La sensibilité normalisée en aire maximale est obtenue à la densité de défauts ponctuels de 4 à 5x1012 cm-2.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)