Functionalization of MWCNT by plasma treatment and use as additives for non-vacuum CuIn(S, Se)2 nanoparticle deposition solar cells

Chih Lien Chiang, Cheng Chien Wang, Chuh Yung Chen

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3 Citations (Scopus)


The effects of MWCNT incorporation into non-vacuum chalcopyrite nanoparticle deposition solar cells were investigated in this study. To improve MWCNT dispersion within CuIn(S, Se)2 nanoparticle ink, MWCNT were grafted with maleic anhydride (MA) via plasma treatment. The functional groups on the surface of MWCNT were characterized by X-ray photoelectron spectroscopy. The grafting level of MA on MWCNT was 18.6 wt%. A series of CuIn(S, Se)2 nanoparticle solar cells with various weight ratios (wt%) of MWCNT-MA were fabricated. The structure of grounded CuIn(S, Se)2 nanoparticles was verified by transmission electron microscopy and X-ray diffraction analysis. The band gap energy of CuIn(S, Se)2 nanoparticles was obtained by UV–vis-NIR spectrophotometer. Scanning electronic microscopy showed that MWCNT–MA at ≤0.5 wt% dispersed well within CuIn(S, Se)2 nanoparticles. At 0.33 wt%, MWCNT-MA facilitated 15% increase in conversion efficiency of solution-based CuIn(S, Se)2 nanoparticle solar cells by increasing carrier transfer efficiency, and thus, increasing current density Jsc.

Original languageEnglish
Pages (from-to)970-977
Number of pages8
JournalJournal of the Taiwan Institute of Chemical Engineers
Publication statusPublished - 2017 Nov

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)

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