http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-104017573-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K11-56 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K11-02 |
| filingDate | 2014-06-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2015-12-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2015-12-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-104017573-B |
| titleOfInvention | A kind of white light LEDs quantum dot mixed crystal of near ultraviolet excitation and preparation method |
| abstract | The invention discloses a kind of white light LEDs quantum dot mixed crystal and preparation method of near ultraviolet excitation, this quantum dot mixed crystal can be excited by 370 ~ 400nm wavelength, emmission spectrum is bimodal, and peak ranges is 480 ~ 550nm and 580 ~ 620nm, can be used for the white light LED part that manufacture near ultraviolet chip excites.Its structural formula is Znn 1-x-y-z cdn x s:(Aln y , Cun z )? M, wherein x is mole coefficient, and its scope is: 0.200≤x≤0.800,0.010≤y≤0.100,? 0.005≤z≤0.080, M is monovalent salt.Preparation method is for press structural formula Znn 1-x-y-z cdn x s:(Aln y , Cun z )M takes starting material by the proportioning of each element, adopts synthesis in water technology, (1) is by aluminum salt solution and copper salt solution mixing; under shielding gas protection, inject part, add zinc source and cadmium source, after regulating pH; add sulphur source, soluble in waterly again after purification obtain quantum dot Znn 1-x-y-z cdn x s:(Aln y , Cun z ) solution; (2) by quantum dot Znn 1-x-y-z cdn x s:(Aln y , Cun z ) solution is injected in the saturated solution of monovalent salt, crystallization obtains quantum dot mixed crystal.This preparation method is simple, and cost is low, and be applicable to volume production, made quantum dot mixed crystal stability is high. |
| priorityDate | 2014-06-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 67.