Acknowledgements
The authors acknowledge the NWO JSP III (680-91-011) program for financial support. N.P. and M.C. acknowledge the financial support from “PERCspective”, specifically for the optimization of the NiO ALD process; M.N. and S.V. acknowledge the financial support from “HIPER XL”, these projects are part of the Top consortia for Knowledge and Innovation (TKI) Solar Energy program (TEUE119005 and 1921202 respectively) of the Ministry of Economic Affairs and Climate Affairs of The Netherlands. HIPER XL is also supported under the umbrella of SOLAR-ERA.NET Cofund by RVO. TNO (Netherlands Organization for Applied Scientific Research), acknowledges the financial support of Tandem PV Technology & Application program supported by Research and Cooperation Fund (SMO) from the Netherlands Ministry of Economic Affairs and Climate Policy.