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J. Korean Ceram. Soc. > Volume 44(2); 2007 > Article
Journal of the Korean Ceramic Society 2007;44(2): 89.
doi: https://doi.org/10.4191/kcers.2007.44.2.089
고온 열분해 반응법을 이용한 PbSe 나노입자의 Acetic Acid 첨가에 대한 영향
백인찬, 석상일, 정용재1
한국화학연구원 광전기능성소재팀
1한양대학교 신소재공학과
The Effect of Acetic Acid in Synthesizing PbSe Quantum Dots by Hot Solution Chemical Process
In-Chan Baek, Sang-Il Seok, Yong-Chae Chung1
Advanced Materials Division, Korea Research Institute of Chemical Technology
1Department of Materials and Science Engineering, Hanyang University
PbSe, with a band gap in the mid-infrared and a samll effective mass, is an interesting material for optical and electrical applications in infrared region. Various colloidal synthetic routes for synthesizing PbSe quantum dot nanoparticles have been developed in the last couple of years. In this work, stable colloidal solutions containing crystalline PbSe particles in the order of 5-15 nm were synthesized using different amount of acetic acid in high boiling coordinating solvents. The size and shape of PbSe nanoparticles was greatly influenced by coexistence of acetic acid in synthetic medium. It was observed by TEM that the shape of PbSe nanoparticles with different amount of acetic acid was changed from spherical to cube or star types.
Key words: Particle size control, PbSe quantum dots, Acetic acid
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