{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11493468","patent":{"patent_number":"US-11493468","title":"Method for preparing nitrogen oxide gas sensor based on sulfur-doped graphene","assignee":null,"inventors":[],"filing_date":"2020-12-09T00:00:00.000Z","publication_date":"2022-11-08T00:00:00.000Z","cpc_codes":["G01N","G01N"],"num_claims":11,"abstract":"The present disclosure provides a method for preparing nitrogen oxide gas sensor based on sulfur-doped graphene. The method includes: 1) providing graphene and a micro heater platform substrate, and transferring the graphene onto the micro heater platform substrate; 2) putting the micro heater platform substrate covered with the graphene into a chemical vapor deposition reaction furnace; 3) performing gas feeding and exhausting treatment to the reaction furnace by using inert gas; 4) simultaneously feeding inert gas and hydrogen gas into the reaction furnace at a first temperature; 5) feeding inert gas, hydrogen gas and sulfur source gas into the reaction furnace at a second temperature for reaction to perform sulfur doping to the graphene (21); and 6) stopping feeding the sulfur source gas, and performing cooling in a hydrogen gas and insert gas shielding atmosphere."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method for preparing nitrogen oxide gas sensor based on sulfur-doped graphene","description":"The present disclosure provides a method for preparing nitrogen oxide gas sensor based on sulfur-doped graphene. The method includes: 1) providing graphene and a micro heater platform substrate, and t","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11493468","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-11493468","citation_suggestion":"Patentable. \"Method for preparing nitrogen oxide gas sensor based on sulfur-doped graphene\" (US-11493468). https://patentable.app/patents/US-11493468","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11493468","json":"https://patentable.app/api/llm-context/US-11493468","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T00:36:48.871Z"}