Computational Studies on the Materials Combining Graphene Quantum Dots and Pt Complexes with Adjustable Luminescence CharacteristicsClick to copy article linkArticle link copied!
- Shi-Ping WangShi-Ping WangLaboratory of Theoretical and Computational Chemistry, Institute of Theoretical Chemistry and College of Chemistry, Jilin University, Changchun 130023, ChinaMore by Shi-Ping Wang
- Yuan LiYuan LiLaboratory of Theoretical and Computational Chemistry, Institute of Theoretical Chemistry and College of Chemistry, Jilin University, Changchun 130023, ChinaMore by Yuan Li
- Zhi-Xiang ZhangZhi-Xiang ZhangLaboratory of Theoretical and Computational Chemistry, Institute of Theoretical Chemistry and College of Chemistry, Jilin University, Changchun 130023, ChinaMore by Zhi-Xiang Zhang
- Yu ZhangYu ZhangLaboratory of Theoretical and Computational Chemistry, Institute of Theoretical Chemistry and College of Chemistry, Jilin University, Changchun 130023, ChinaMore by Yu Zhang
- Yu WangYu WangLaboratory of Theoretical and Computational Chemistry, Institute of Theoretical Chemistry and College of Chemistry, Jilin University, Changchun 130023, ChinaMore by Yu Wang
- Si-Min KongSi-Min KongLaboratory of Theoretical and Computational Chemistry, Institute of Theoretical Chemistry and College of Chemistry, Jilin University, Changchun 130023, ChinaMore by Si-Min Kong
- Hui-Cong LiHui-Cong LiLaboratory of Theoretical and Computational Chemistry, Institute of Theoretical Chemistry and College of Chemistry, Jilin University, Changchun 130023, ChinaMore by Hui-Cong Li
- Wei JianWei JianLaboratory of Theoretical and Computational Chemistry, Institute of Theoretical Chemistry and College of Chemistry, Jilin University, Changchun 130023, ChinaMore by Wei Jian
- Fu-Quan Bai*Fu-Quan Bai*Email: [email protected]Laboratory of Theoretical and Computational Chemistry, Institute of Theoretical Chemistry and College of Chemistry, Jilin University, Changchun 130023, ChinaBeijing National Laboratory for Molecular Sciences, Beijing 100190, ChinaMore by Fu-Quan Bai
- Hong-Xing Zhang*Hong-Xing Zhang*Email: [email protected]Laboratory of Theoretical and Computational Chemistry, Institute of Theoretical Chemistry and College of Chemistry, Jilin University, Changchun 130023, ChinaMore by Hong-Xing Zhang
Abstract
Graphene materials with particular properties are proved to be beneficial to photoelectric devices, but there are rare reports on a positive effect by graphene on emissive layer materials of organic light-emitting diodes (OLEDs) previously. On the basis of the latest important experiments, an OLED device with the aid of graphene quantum dots shows the dawn of their application for luminescent materials. The luminescence performance has been improved, but the understanding of the internal excited-state radiation mechanism of the material needs further study. In this work, the Pt(II)-coordinated graphene quantum dot coplanar structures with different shapes are studied theoretically in detail, and the results present the improvement in phosphorescence under the promoted radiative decay and suppressed nonradiative decay. This composite combines the advantages of transition metal complexes and graphene quantum dots and also exhibits excellent properties in the light absorption region and carrier transportation for the OLED. This comprehensive theoretical calculation research can provide a comprehensive basis of the material design in the future.
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