Work function control in carbon nanosheets via chloride-based metal precursors and their applications as transparent electrodes

Title
Work function control in carbon nanosheets via chloride-based metal precursors and their applications as transparent electrodes
Authors
이성호조한익여준석손수영Hae-Na JoSae-Mi ParkSeok-In NaMyong-Hoon Lee
Keywords
Graphene; Carbon nanosheets; Metal doping; Electrodes; OPV
Issue Date
2017-01
Publisher
Journal of industrial and engineering chemistry
Citation
VOL 45-14
Abstract
Work function of carbon nanosheets (CNSs) is easily controlled using various chloride-based metal precursors. The metal ions in the precursors are reduced despite the simple spin coating without post-treatment due to electron transfer from the CNSs to the ions. The work function of CNSs doped with AuCl3, ZnCl2, and CoCl2 presented values of 4.91, 4.77, and 4.69 eV, respectively, which are significantly higher than pristine CNSs (4.60 eV). The reduced metal nanoparticles locally induced electronic modification of the CNSs located in the vicinity, leading to transparent conducting electrodes with high work functions and subsequently a high power conversion efficiency of ∼2.01% for an ITO-free OPV incorporating a AuCl3-doped CNS electrode.
URI
http://pubs.kist.re.kr/handle/201004/65045
ISSN
1226-086X
Appears in Collections:
KIST Publication > Article
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