| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_ab8b93e89d80c16e49430fbfa4b64010 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K11-881
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B82Y20-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B82Y30-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B82Y40-00 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K11-88
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B82Y40-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B82Y30-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B82Y20-00 |
| filingDate |
2019-08-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_85e9efc585070a6cce538aaeddd91dc4
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_802ae6bb7c71d734fff094ae82b9b136
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0d918e528bc3e6e1a7038e9c2f18715f
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_12904ec4cc9bae5eaa5a850517277e32
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d4d4573e980e7ed9f7a300189085ad24
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_7b891b6f72673146bcb0acb2186f464e |
| publicationDate |
2019-11-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
CN-110437836-A |
| titleOfInvention |
A kind of phosphorescent material based on graphene quantum dots and preparation method thereof |
| abstract |
The embodiment of the present invention discloses a phosphorescent material based on graphene quantum dots and a preparation method thereof. The P element and the Se element are incorporated into the crystal lattice of the graphene quantum dots, and are combined with the C element in the graphene quantum dots in the form of covalent bonds. Embodiments of the present invention utilize a phosphorus-containing precursor and a selenium-containing precursor to prepare a graphene quantum dot-based phosphorescent material through a one-step hydrothermal synthesis method. The P element and the Se element in the phosphorescent material of the graphene quantum dots are respectively combined with the C element through covalent bonds, so that the non-radiative transition of triplet electrons can be suppressed, so that the graphene quantum dots have phosphorescence luminescence properties, and prolong the life. its phosphorescence lifetime. The phosphorescence lifetime of the graphene quantum dot-based phosphorescent material prepared in the embodiment of the present invention can reach up to 892 μs. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-114181697-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-111115620-B
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-111115620-A |
| priorityDate |
2019-08-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |