Indium Tin Oxide-Free Inverted Organic Photovoltaics Using Laser-Induced Forward Transfer Silver Nanoparticle Embedded Metal Grids | Zendy

Sergey M. Pozov | Zendy; Kostas Andritsos | Zendy; Ioannis Theodorakos | Zendy; Efthymios Georgiou | Zendy; Apostolos Ioakeimidis | Zendy; Ayala Kabla | Zendy; Semyon Melamed | Zendy; Fernando de la Vega | Zendy; I. Zergioti | Zendy; Stelios A. Choulis | Zendy

Open Access

Indium Tin Oxide-Free Inverted Organic Photovoltaics Using Laser-Induced Forward Transfer Silver Nanoparticle Embedded Metal Grids

Author(s) -

Sergey M. Pozov,

Kostas Andritsos,

Ioannis Theodorakos,

Efthymios Georgiou,

Apostolos Ioakeimidis,

Ayala Kabla,

Semyon Melamed,

Fernando de la Vega,

I. Zergioti,

Stelios A. Choulis

Publication year - 2022

Publication title -

acs applied electronic materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.379

H-Index - 4

ISSN - 2637-6113

DOI - 10.1021/acsaelm.2c00217

Subject(s) - indium tin oxide , materials science , optoelectronics , organic solar cell , electrode , nanotechnology , nanoparticle , laser , composite material , thin film , optics , chemistry , physics , polymer

Laser-induced forward transfer (LIFT) printing has emerged as a valid digital printing technique capable of transferring and printing a wide range of electronic materials. In this paper, we present for the first time LIFT printing as a method to fabricate silver (Ag) nanoparticle (np) grids for the development of indium tin oxide (ITO)-free inverted PM6:Y6 nonfullerene acceptor organic photovoltaics (OPVs). Limitations of the direct use of LIFT-printed Ag np grids in inverted ITO-free OPVs are addressed through a Ag grid embedding process. The embedded laser-printed Ag grid lines have high electrical conductivity, while the Ag metal grid transparency is varied by altering the number of Ag grid lines within the inverted OPVs' ITO-free bottom electrode. Following the presented Ag-grid embedding (EMP) process, metal-grid design optimizations, and device engineering methods incorporating an EMB-nine-line Ag np grid/PH500/AI4083/ZnO bottom electrode, we have demonstrated inverted ITO-free OPVs incorporating laser-printed Ag grids with 11.0% power conversion efficiency.

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