| 摘要 |
An organic light emitting device having an anode, a cathode and an organic layer disposed between the anode and the cathode is provided. In one aspect, the organic layer comprises a compound having at least one zwitterionic carbon donor ligand. In another aspect, the organic layer comprises a carbene compound, including the following: In another aspect, the organic layer comprises a carbene compound, including: In another aspect, the organic layer comprises a carbene compound that includes a triazole ring and has the structure: In another aspect, the organic layer comprises a carbene compound that includes a tetrazole ring and has the structure:
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