Chemistry of Materials

, том 23 , издание 8 , страницы 2209-2217

Ambient Synthesis of Au₁₄₄(SR)₆₀ Nanoclusters in Methanol

Тип публикации: Journal Article

Дата публикации: 2011-03-23

American Chemical Society (ACS)

Chemistry of Materials

SCImago Q1

Tоп 10% SCImago

WOS Q1

БС1

SJR: 1.796

CiteScore: 11.9

Impact factor: 7.1

ISSN: 08974756, 15205002

DOI: 10.1021/cm200143s

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Materials Chemistry

General Chemistry

General Chemical Engineering

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We report a facile, one-pot method for synthesizing atomically monodisperse Au144(SR)60 nanoclusters under ambient conditions. In this method, gold salt precursor is first mixed with excess thiol and tetraoctylammonium bromide (TOABr) in methanol to form Au(I)-SR polymers. Then, Au(I)-SR is reduced by excess NaBH4 (aqueous solution) to form nanoclusters. Interestingly, the initially formed, polydisperse Au nanoparticles are size-focused into two monodisperse gold nanoclusters: Au144(SR)60 (major product) and Au25(SR)18 (side product) over a ∼5 h period. The side product (Au25(SR)18) can be easily removed by washing the product with acetone, giving rise to pure Au144(SR)60. This method is applicable to a number of thiol ligands, including PhC2H4SH and various CnH2n+1SH (where n = 4−8). Some critical parameters to obtain pure Au144(SR)60 have been identified, including the methanol solvent (as opposed to toluene traditionally used), large thiol-to-Au ratios (≥4), the presence of O2 and tetraoctylammonium ha...

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Qian H., Jin R. Ambient Synthesis of Au144(SR)60 Nanoclusters in Methanol // Chemistry of Materials. 2011. Vol. 23. No. 8. pp. 2209-2217.

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Qian H., Jin R. Ambient Synthesis of Au144(SR)60 Nanoclusters in Methanol // Chemistry of Materials. 2011. Vol. 23. No. 8. pp. 2209-2217.

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TY - JOUR

DO - 10.1021/cm200143s

UR - https://doi.org/10.1021/cm200143s

TI - Ambient Synthesis of Au144(SR)60 Nanoclusters in Methanol

T2 - Chemistry of Materials

AU - Qian, Huifeng

AU - Jin, Rongchao

PY - 2011

DA - 2011/03/23

PB - American Chemical Society (ACS)

SP - 2209-2217

IS - 8

VL - 23

SN - 0897-4756

SN - 1520-5002

ER -

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@article{2011_Qian,

author = {Huifeng Qian and Rongchao Jin},

title = {Ambient Synthesis of Au144(SR)60 Nanoclusters in Methanol},

journal = {Chemistry of Materials},

year = {2011},

volume = {23},

publisher = {American Chemical Society (ACS)},

month = {mar},

url = {https://doi.org/10.1021/cm200143s},

number = {8},

pages = {2209--2217},

doi = {10.1021/cm200143s}

}

MLA

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Qian, Huifeng, and Rongchao Jin. “Ambient Synthesis of Au144(SR)60 Nanoclusters in Methanol.” Chemistry of Materials, vol. 23, no. 8, Mar. 2011, pp. 2209-2217. https://doi.org/10.1021/cm200143s.

Издатель

American Chemical Society (ACS)

Журнал

Chemistry of Materials

SCImago Q1

Tоп 10% SCImago

WOS Q1

БС1

SJR

1.796

CiteScore

11.9

Impact factor

7.1

ISSN

08974756 (Print)

15205002 (Electronic)

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