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Size-Controlled Synthesis of Machinable Single Crystalline Gold Nanoplates

Ah, Chil Seong, Yun, Yong Ju, Park, Hyung Ju, Kim, Wan-Joong, Ha, Dong Han, Yun, Wan Soo·2005·Chemistry of Materials

Abstract

Monodispersive size-controlled gold nanoplates were synthesized with high purity from the reduction of hydrogen tetrachloroaurate by reduced amount of sodium citrate, which kinetically controls the reaction pathway, in the presence of poly(vinyl pyrrolidone) (PVP). With the insufficient addition of the reductant, the molar ratio of sodium citrate and PVP relative to hydrogen tetrachloroaurate played an important role in determining the geometric shape and size of the product. These nanoplates were single crystals with planar width of 80−500 nm and thickness of 10−40 nm, exhibiting strong surface plasmon absorption in the near-infrared (NIR) region of 700−2000 nm. The gold nanoplates were used as the synthetically provided nanoblocks to fabricate single-crystalline nanocomponents, such as a nanoscaled gear or a nanoscaled letter.

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Metadata

Authors
Ah, C. S., Yun, Y. J., Park, H. J., Kim, W.-J., Ha, D. H., & Yun, W. S.
Venue
Chemistry of Materials
Published
2005-09-17
Volume
17
Issue
22
Pages
5558-5561
ISSN
  • 0897-4756 (ISSN-L)
  • 1520-5002
OpenAlex
W2029204947
Cited by
244
References
0
FWCI
12.06
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Size-Controlled Synthesis of Machinable Single Crystalline Gold Nanoplates. https://app.cochat.ai/papers/10.1021/cm051225h
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Ah, C. S., Yun, Y. J., Park, H. J., Kim, W.-J., Ha, D. H., & Yun, W. S. (2005). Size-Controlled Synthesis of Machinable Single Crystalline Gold Nanoplates. Chemistry of Materials. https://doi.org/10.1021/cm051225h

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