{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1520009407907281664.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"NDL_BIB_ID","@value":"11075303"}},{"identifier":{"@type":"URI","@value":"http://id.ndl.go.jp/bib/11075303"}},{"identifier":{"@type":"URI","@value":"https://ndlsearch.ndl.go.jp/books/R000000004-I11075303"}},{"identifier":{"@type":"DOI","@value":"10.1143/jjap.50.040204"}},{"identifier":{"@type":"URI","@value":"https://iopscience.iop.org/article/10.1143/JJAP.50.040204"}},{"identifier":{"@type":"URI","@value":"https://iopscience.iop.org/article/10.1143/JJAP.50.040204/pdf"}},{"identifier":{"@type":"NAID","@value":"40018800860"}}],"resourceType":"学術雑誌論文(journal article)","dc:title":[{"@value":"Efficient low-driving-voltage blue phosphorescent homojunction organic light-emitting devices"},{"@language":"ja-Kana","@value":"Efficient low driving voltage blue phosphorescent homojunction organic light emitting devices"}],"dcterms:alternative":[{"@value":"Efficient low-driving-voltage blue phosphorescent homojunction organic light-emitting devices"}],"dc:language":"en","description":[{"type":"abstract","notation":[{"@value":"<jats:p>A blue phosphorescent p–i–n homojunction organic light-emitting device with a low driving voltage was demonstrated using 4,6-bis[3-(carbazol-9-yl)phenyl] pyrimidine (46DCzPPm) as the bipolar host material and iridium(III) bis[4,6-(difluorophenyl)pyridinato-<jats:italic>N</jats:italic>,<jats:italic>C</jats:italic><jats:sup>2</jats:sup>'] picolinate as the blue triplet emitter. The device incorporated an n-doping electron-transport layer consisting of Cs<jats:sub>2</jats:sub>CO<jats:sub>3</jats:sub>-doped 46DCzPPm and a p-doping hole-transport layer consisting of MoO<jats:sub>3</jats:sub>-doped 46DCzPPm. A maximum external quantum efficiency of 10.2% and a power efficiency of 27.8 lm W<jats:sup>-1</jats:sup>were obtained. At 100 cd m<jats:sup>-2</jats:sup>, the efficiencies were 9.1% and 21.5 lm W<jats:sup>-1</jats:sup>, and even at 1000 cd m<jats:sup>-2</jats:sup>, the efficiencies remained at 7.0% and 12.8 lm W<jats:sup>-1</jats:sup>, respectively, with an extremely low driving voltage of 3.9 V.</jats:p>"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1582543025302591748","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000024979684"}],"foaf:name":[{"@value":"Chao Cai"}]},{"@id":"https://cir.nii.ac.jp/crid/1582543025302591744","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000024979685"}],"foaf:name":[{"@value":"Shi-Jian Su"}]},{"@id":"https://cir.nii.ac.jp/crid/1420001326207663744","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"20751811"},{"@type":"NRID","@value":"1000020751811"},{"@type":"NRID","@value":"9000307259398"},{"@type":"NRID","@value":"9000283105212"},{"@type":"NRID","@value":"9000340442672"},{"@type":"NRID","@value":"9000283314162"},{"@type":"NRID","@value":"9000362818356"},{"@type":"NRID","@value":"9000257726976"},{"@type":"NRID","@value":"9000409500933"},{"@type":"NRID","@value":"9000345264457"},{"@type":"NRID","@value":"9000401983199"},{"@type":"NRID","@value":"9000024979686"},{"@type":"NRID","@value":"9000265246368"},{"@type":"NRID","@value":"9000387480342"},{"@type":"NRID","@value":"9000001861042"},{"@type":"NRID","@value":"9000405101108"},{"@type":"NRID","@value":"9000401996222"},{"@type":"NRID","@value":"9000404790353"},{"@type":"NRID","@value":"9000334733916"},{"@type":"NRID","@value":"9000345420688"},{"@type":"NRID","@value":"9000398144475"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/YU_chiba"}],"foaf:name":[{"@value":"Takayuki Chiba"}]}],"publication":{"publicationIdentifier":[{"@type":"NDL_BIB_ID","@value":"000009262265"},{"@type":"ISSN","@value":"00214922"},{"@type":"LISSN","@value":"00214922"},{"@type":"PISSN","@value":"00214922"},{"@type":"EISSN","@value":"13474065"},{"@type":"NCID","@value":"AA12295836"}],"prism:publicationName":[{"@value":"Japanese journal of applied physics : JJAP"}],"dc:publisher":[{"@value":"Tokyo : The Japan Society of Applied Physics"}],"prism:publicationDate":"2011-04","prism:volume":"50","prism:number":"4","prism:startingPage":"040204"},"reviewed":"false","url":[{"@id":"http://id.ndl.go.jp/bib/11075303"},{"@id":"https://ndlsearch.ndl.go.jp/books/R000000004-I11075303"},{"@id":"https://iopscience.iop.org/article/10.1143/JJAP.50.040204"},{"@id":"https://iopscience.iop.org/article/10.1143/JJAP.50.040204/pdf"}],"project":[{"@id":"https://cir.nii.ac.jp/crid/1040282257159544064","@type":"Project","projectIdentifier":[{"@type":"KAKEN","@value":"23750204"},{"@type":"JGN","@value":"JP23750204"},{"@type":"URI","@value":"https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-23750204/"}],"notation":[{"@language":"ja","@value":"高次有機ナノ構造制御を指向した次世代有機EL 材料の創製と機能発現"},{"@language":"en","@value":"Development and function of novel electron-transporters realizinghigher order organic nanostructure for next generation organic LED"}]}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1360011144227701248","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Pentacene homojunctions: Electron and hole transport properties and related photovoltaic responses"}]},{"@id":"https://cir.nii.ac.jp/crid/1360284924867300224","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Blue emitting materials containing dibenzo[b,d]furan and dibenzo[b,d]thiophene for organic light-emitting diodes"}]},{"@id":"https://cir.nii.ac.jp/crid/1360292621316936064","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Electrophosphorescent p–i–n Organic Light‐Emitting Devices for Very‐High‐Efficiency Flat‐Panel Displays"}]},{"@id":"https://cir.nii.ac.jp/crid/1360567179830563072","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Bis(carbazolyl)benzodifuran: A High‐Mobility Ambipolar Material for Homojunction Organic Light‐Emitting Diode Devices"}]},{"@id":"https://cir.nii.ac.jp/crid/1360567179898216192","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Carbazolyl Benzo[1,2‐<i>b</i>:4,5‐<i>b</i>′]difuran: An Ambipolar Host Material for Full‐Color Organic Light‐Emitting Diodes"}]},{"@id":"https://cir.nii.ac.jp/crid/1360855571158778880","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Low-voltage organic electroluminescent devices using <i>pin</i> structures"}]},{"@id":"https://cir.nii.ac.jp/crid/1361137044122615680","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Highly efficient phosphorescent emission from organic electroluminescent devices"}]},{"@id":"https://cir.nii.ac.jp/crid/1361137045281156352","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"The Quest for High‐Performance Host Materials for Electrophosphorescent Blue Dopants"}]},{"@id":"https://cir.nii.ac.jp/crid/1361699993634860416","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"High-Efficiency Blue Emitting Phosphorescent OLEDs"}]},{"@id":"https://cir.nii.ac.jp/crid/1361699995440233600","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Bright organic electroluminescent devices having a metal-doped electron-injecting layer"}]},{"@id":"https://cir.nii.ac.jp/crid/1361981470206087040","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Blue organic electrophosphorescence using exothermic host–guest energy transfer"}]},{"@id":"https://cir.nii.ac.jp/crid/1361981471175614848","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"High-efficiency and low-voltage p-i-n electrophosphorescent organic light-emitting diodes with double-emission layers"}]},{"@id":"https://cir.nii.ac.jp/crid/1362262945215057536","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"White Organic Light‐Emitting Devices for Solid‐State Lighting"}]},{"@id":"https://cir.nii.ac.jp/crid/1362825894770754048","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Pyridine-Containing Bipolar Host Materials for Highly Efficient Blue Phosphorescent OLEDs"}]},{"@id":"https://cir.nii.ac.jp/crid/1363107369939717120","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"RGB Phosphorescent Organic Light-Emitting Diodes by Using Host Materials with Heterocyclic Cores: Effect of Nitrogen Atom Orientations"}]},{"@id":"https://cir.nii.ac.jp/crid/1363107370031482752","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Organic Homojunction Diodes with a High Built-in Potential: Interpretation of the Current-Voltage Characteristics by a Generalized Einstein Relation"}]},{"@id":"https://cir.nii.ac.jp/crid/1363388846187229440","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Highly Efficient Organic Devices Based on Electrically Doped Transport Layers"}]},{"@id":"https://cir.nii.ac.jp/crid/1363670320757538944","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Highly Efficient Organic Blue‐and White‐Light‐Emitting Devices Having a Carrier‐ and Exciton‐Confining Structure for Reduced Efficiency Roll‐Off"}]},{"@id":"https://cir.nii.ac.jp/crid/1363951794159172992","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Low voltage efficient simple p-i-n type electrophosphorescent green organic light-emitting devices"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001204324438016","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"High-Efficiency Phosphorescent OLEDs using Chemically Doped Layers"}]}],"dataSourceIdentifier":[{"@type":"NDL_SEARCH","@value":"oai:ndlsearch.ndl.go.jp:R000000004-I11075303"},{"@type":"CROSSREF","@value":"10.1143/jjap.50.040204"},{"@type":"CIA","@value":"40018800860"},{"@type":"KAKEN","@value":"PRODUCT-14374100"},{"@type":"CROSSREF","@value":"10.1002/asia.201200062_references_DOI_16QF9tkoPhzPeQ9LThONux4OUfW"},{"@type":"CROSSREF","@value":"10.7567/jjap.55.06gk07_references_DOI_16QF9tkoPhzPeQ9LThONux4OUfW"}]}