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CdTe QDs 용액 안정성의 장시간 유지지속을 위한 TGA(thioglycolic acid)의 첨가효과
김종환,김태희,구동건,기경범,최원규,한경석,류봉기,Kim, Jong-Hwan,Kim, Tae-Hee,Gwoo, Dong-Gun,Kee, Kyung-Bum,Choi, Won-Gyu,Han, Kung-Seok,Ryu, Bong-Ki 한국재료학회 2012 한국재료학회지 Vol.22 No.9
This paper focuses on the after synthesis of CdTe quantum dots(QDs) in aqueous solution. CdTe nanoparticles were prepared in aqueous solution using mercaptocarboxylic acid or thioglycolic acid(TGA) as stabilizing agents. QDs emit light smaller than the nano size. The contents of the mercaptocarboxylic acid, and a kind of raw material, were revealed for a period of time. We succeeded in synthesizing a very high quality QDs solution; we discussed how to make QDs better and to keep them stabilized. TGA is known as one of the best stabilizing agents. Many papers have mentioned that TGA is a good stabilizing agent. We dramatically confirmed the state of QDs after the experiments. The QDs solution can be influenced by several factors. Different content of TGA can influence the stability of the CdTe solution. Most papers deal with the synthesis of CdTe, so we decided to discuss the after synthesis process for the stability of the CdTe solution.