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  • Synthesis and Optical Properties of CdSe Quantum Dots   (1 ÆäÀÌÁö)
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  • Synthesis and Optical Properties of CdSe Quantum Dots   (1 ÆäÀÌÁö)
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Synthesis and Optical Properties of CdSe Quantum Dots

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ÆÄÀÏ : Synthesis and Optical Properties of CdSe Quantum Dots (2).hwp   [Size : 39 Kbyte ]
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1. Abstract

2. Introduction

3. Method

4. Results & Discussion

1) Absorption of quantum dot

2) Fluorescence of quantum dot

3) Calculate the radius of quantum dot based on particle in a box model

4) Estimate the size of the synthesized particle based on the empirical fitting equation

5) band width¿¡ µû¸¥ size distribution

6) Concentration of quantum dots

7) Optical properties of quantum dot, small molecule, bulk semiconductor

5. conclusion

6. Reference

º»¹®/³»¿ë
1. Abstract

CdSe ¾çÀÚÁ¡(Quantum Dots)Àº ³ª³ë ¹°ÁúÀÇ ÀÏÁ¾À¸·Î, ¹ÝµµÃ¼ ¹°ÁúÀÎ ¼¼·¹´½°ú Ä«µå¹ÅÀ¸·Î ±¸¼ºµÇ¾î ÀÖÀ¸¸ç, ÀüÀÚÀû Ư¼º°ú ±¤ÇÐÀû Ư¼ºÀÌ ¶Ù¾î³­ ³ª³ëÅ©±âÀÇ ±¸Çü °áÁ¤Ã¼ÀÌ´Ù. ÀÌ·¯ÇÑ ¾çÀÚÁ¡Àº Å©±â¿Í ÇüÅ¿¡ µû¶ó ÀüÀÚ ¹× ±¤ÇÐÀû Ư¼ºÀÌ º¯È­Çϴµ¥, ÀÌ´Â `¾çÀÚ Á¦ÇÑ È¿°ú(Quantum Confinement Effect)`¿¡ ±âÀÎÇÑ´Ù. CdSe ¾çÀÚÁ¡Àº ´Ù¾çÇÑ ÀÀ¿ë °¡´É¼º ¶§¹®¿¡ ÃÖ±Ù µé¾î ¸¹Àº ¿¬±¸°¡ ÀÌ·ç¾îÁö°í ÀÖÀ¸¸ç, ƯÈ÷ ±¤ÀüÀÚ ÀåÄ¡, ¹ÙÀÌ¿À À̹Ì¡, žç ÀüÁö µî¿¡¼­ ±× È°¿ëµµ°¡ ³ô´Ù. º» ·¹Æ÷Æ®¿¡¼­´Â CdSe ¾çÀÚÁ¡ÀÇ ÇÕ¼º ¹æ¹ý°ú ±×¿¡ µû¸¥ ±¤ÇÐÀû Ư¼ºÀ» ÀÚ¼¼È÷ »ìÆ캻´Ù. CdSe ¾çÀÚÁ¡ÀÇ ÇÕ¼ºÀº ÁÖ·Î µÎ °¡Áö ¹æ¹ý, Áï »óºÎ ¼ºÀå¹ý(Top-Down Approach)°ú ÇϺΠ¼ºÀå¹ý(Bottom-Up Approach)À¸·Î ³ª´¶´Ù. »óºÎ ¼ºÀå¹ýÀº Å« °áÁ¤Ã¼¿¡¼­ ¹°ÁúÀ» ±ð¾Æ³»¾î ³ª³ë Å©±âÀÇ ÀÔÀÚ¸¦ ¸¸µå´Â ¹æ¹ýÀ̸ç, ÁÖ·Î ¹°¸®Àû ¹æ¹ýÀ» ÀÌ¿ëÇÑ´Ù. ¹Ý¸é ÇϺΠ¼ºÀå¹ýÀº ¿ø¼Ò¸¦ ³ª³ë Å©±âÀÇ ¾çÀÚÁ¡À¸·Î Çü¼ºÇϱâ À§ÇØ ±âÈ­, È­ÇÐÀû ÇÕ¼ºÀ» ÀÌ¿ëÇÏ´Â ¹æ½ÄÀÌ´Ù. ÀÌÁß ÇϺΠ¼ºÀå¹ýÀÌ ´õ ³Î¸® »ç¿ëµÇ¸ç, Àú·ÅÇÏ°í È¿À²ÀûÀ¸·Î ¾çÀÚÁ¡À» ÇÕ¼ºÇÒ ¼ö ÀÖ´Â ÀåÁ¡ÀÌ ÀÖ´Ù. ƯÈ÷, ¼Ö-Á© È­Çйý, ¼±Çü ¼ö¿ëü ÇÕ¡¦(»ý·«)


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Synthesis   Optical   Properties   CdSe   Quantum   Dots  


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