{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Dianetti M"],"funding":["European Union","ISCTI Istituto Superiore delle Comunicazioni e delle Tecnologie dell’Informazione-Ministero dello Sviluppo Economico"],"pagination":["1046"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC8915009"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["14(5)"],"pubmed_abstract":["In this work, we present the fabrication and characterization of bulk-heterojunction solar cells on monolayer graphene (MLG) with nickel-grids (Ni-grid) as semitransparent conductive electrode. The electrodes showed a maximum transmittance of 90% (calculated in 300-800 nm range) and a sheet resistance down to 35 Ω/□. On these new anodes, we fabricated TCO free BHJ-SCs using PTB7 blended with PC70BM fullerene derivative as active layer. The best device exhibited a power conversion efficiency (PCE) of 4.2% in direct configuration and 3.6% in inverted configuration. The reference solar cell, realized on the ITO glass substrate, achieved a PCE of 6.1% and 6.7% in direct and inverted configuration respectively; for comparison we also tested OSCs only with simple Ni-grid as semitransparent and conductive electrode, obtaining a low PCE of 0.7%. The proposed approach to realize graphene-based electrodes could be a possible route to reduce the overall impact of the sheet resistance of this type of electrodes allowing their use in several optoelectronic devices."],"journal":["Polymers"],"pubmed_title":["Graphene with Ni-Grid as Semitransparent Electrode for Bulk Heterojunction Solar Cells (BHJ-SCs)."],"pmcid":["PMC8915009"],"funding_grant_id":["85-2017-15266","Aquaponic Easy Farm 4.0","ORISHA project","309201 “GO-NEXTS”"],"pubmed_authors":["Brunetti F","Susanna G","Dianetti M","Neumaier D","Reale A","Otto M","Polino G","Calabro E"],"additional_accession":[]},"is_claimable":false,"name":"Graphene with Ni-Grid as Semitransparent Electrode for Bulk Heterojunction Solar Cells (BHJ-SCs).","description":"In this work, we present the fabrication and characterization of bulk-heterojunction solar cells on monolayer graphene (MLG) with nickel-grids (Ni-grid) as semitransparent conductive electrode. The electrodes showed a maximum transmittance of 90% (calculated in 300-800 nm range) and a sheet resistance down to 35 Ω/□. On these new anodes, we fabricated TCO free BHJ-SCs using PTB7 blended with PC70BM fullerene derivative as active layer. The best device exhibited a power conversion efficiency (PCE) of 4.2% in direct configuration and 3.6% in inverted configuration. The reference solar cell, realized on the ITO glass substrate, achieved a PCE of 6.1% and 6.7% in direct and inverted configuration respectively; for comparison we also tested OSCs only with simple Ni-grid as semitransparent and conductive electrode, obtaining a low PCE of 0.7%. The proposed approach to realize graphene-based electrodes could be a possible route to reduce the overall impact of the sheet resistance of this type of electrodes allowing their use in several optoelectronic devices.","dates":{"release":"2022-01-01T00:00:00Z","publication":"2022 Mar","modification":"2025-04-19T02:15:57.631Z","creation":"2025-04-07T12:47:43.857Z"},"accession":"S-EPMC8915009","cross_references":{"pubmed":["35267869"],"doi":["10.3390/polym14051046"]}}