| Ternary Colloidal Quantum Dots for Efficient and Sustainable Optoelectronics | |||||||||
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Ternary Colloidal Quantum Dots for Efficient and Sustainable Optoelectronics Colloidal quantum dots (CQDs) based on the ternary-compound semiconductor AgBiS2 are promising light-absorbing materials. They are nontoxic and have a high absorption coefficient. However, there is a lack of novel strategies for multi-facet passivation of ternary-compound CQDs to manufacture stable CQD inks. Recently, scientists from Chungbuk National University have come up with a ligand passivation strategy using a solution-phase ligand exchange method based on a quadruple-ligand ensemble. The proposed strategy improves the power conversion efficiency and leads to fast device response time, making it promising for efficient lead-free optoelectronics. Reference
About the authors Prof. Han Seul Kim: Department of Advanced Materials Engineering, Chungbuk National University, Cheongju, Chungbuk, 28644 Republic of Korea |
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