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author:

Dong, Weinan (Dong, Weinan.) [1] | Guo, Jinsheng (Guo, Jinsheng.) [2] | Yu, Chun (Yu, Chun.) [3] | Guo, Bao (Guo, Bao.) [4] (Scholars:郭宝) | Jiang, Kaixi (Jiang, Kaixi.) [5] (Scholars:蒋开喜)

Indexed by:

EI Scopus SCIE

Abstract:

In the minerals processing industry, the surface chemistry of mineral particles and its real-time detection can significantly enhance process performance, and ultimately leading to automotive and intelligent control. The adsorption of collector molecule onto bulk mineral specimens could be investigated with the help of shellisolated nanoparticle enhanced Raman spectroscopy (SHINERS). However, this method is unsuitable for the online detection of particles fluid consisted of micro-sized chalcocite that encountered in industrial production processes. In this work, a novel strategy of shell-isolated nanoparticles synthesis by electrodeposition of gold nanoparticles film and isolation of this film with crosslinked silica monolayer was proposed. The adsorption of 2mercaptobenzothiazole (MBT), a typical flotation collector, onto a copper sulfide mineral, chalcocite was measured in-situ with the help of such a SERS substrate. Enhancement factors of 106-107 was calculated based on an idealized model. Furthermore, we discussed the stability of the silica isolation monolayer under high-power laser irradiation.

Keyword:

Adsorption Chalcocite Electrodeposition SERS Silica monolayer

Community:

  • [ 1 ] [Dong, Weinan]Fuzhou Univ, Sch Mat Sci & Engn, Fuzhou 350108, Fujian, Peoples R China
  • [ 2 ] [Guo, Bao]Fuzhou Univ, Sch Mat Sci & Engn, Fuzhou 350108, Fujian, Peoples R China
  • [ 3 ] [Jiang, Kaixi]Fuzhou Univ, Sch Mat Sci & Engn, Fuzhou 350108, Fujian, Peoples R China
  • [ 4 ] [Guo, Jinsheng]State Key Lab Proc Automat Min & Met, Beijing, Peoples R China
  • [ 5 ] [Guo, Bao]State Key Lab Proc Automat Min & Met, Beijing, Peoples R China
  • [ 6 ] [Dong, Weinan]Fuzhou Univ, Zijin Sch Geol & Min, Fuzhou 350108, Fujian, Peoples R China
  • [ 7 ] [Guo, Jinsheng]Fuzhou Univ, Zijin Sch Geol & Min, Fuzhou 350108, Fujian, Peoples R China
  • [ 8 ] [Guo, Bao]Fuzhou Univ, Zijin Sch Geol & Min, Fuzhou 350108, Fujian, Peoples R China
  • [ 9 ] [Jiang, Kaixi]Fuzhou Univ, Zijin Sch Geol & Min, Fuzhou 350108, Fujian, Peoples R China
  • [ 10 ] [Yu, Chun]Fujian Normal Univ, Fujian Cross Strait Inst Flexible Elect Future Tec, Fuzhou 350117, Peoples R China
  • [ 11 ] [Jiang, Kaixi]State Key Lab Comprehens Utilizat Low Grade Refrac, Shanghang 364200, Fujian, Peoples R China

Reprint 's Address:

  • 郭宝 蒋开喜

    [Guo, Bao]Fuzhou Univ, Sch Mat Sci & Engn, Fuzhou 350108, Fujian, Peoples R China;;[Jiang, Kaixi]Fuzhou Univ, Sch Mat Sci & Engn, Fuzhou 350108, Fujian, Peoples R China

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Source :

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY

ISSN: 1386-1425

Year: 2024

Volume: 312

4 . 3 0 0

JCR@2023

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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