Preparation of Gold Submicron-sized Particles using Laser Irradiation for Gold Nanoparticles Stabilized by Carbonate

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  • 炭酸保護金ナノ粒子へのレーザー照射による金サブミクロン粒子の作製
  • タンサン ホゴキン ナノ リュウシ エ ノ レーザー ショウシャ ニ ヨル キン サブミクロン リュウシ ノ サクセイ
  • Preparation of Gold Submicron‐Sized Particles Using Laser Irradiation for Gold Nanoparticles Stabilized by Carbonate

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Laser irradiation for colloidal gold nanoparticles stabilized by Na2CO3 was carried out to prepare submicron-sized spherical particles of gold. The source gold nanoparticles stabilized by Na2CO3 (CO32-) were prepared using laser ablation in an aqueous solutions containing Na2CO3 and then non-focused laser irradiation for the source nanoparticles was carried out to induce the agglomeration and fusion of the nanoparticles. Similarly to the case using the source nanoparticles stabilized by citrate, submicron particles were obtained. It was found that the formation process and size of the submicron particles strongly depend on the stabilizing reagents.

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