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A Simple Colloidal Route to Nanocrystalline ZnO/CuInS 2 Bilayers
Author(s) -
Czekelius Constantin,
Hilgendorff Michael,
Spanhel Lubomir,
Bedja Idriss,
Lerch Martin,
Müller Gerd,
Bloeck Ulrike,
Su DangSheng,
Giersig Michael
Publication year - 1999
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/(sici)1521-4095(199906)11:8<643::aid-adma643>3.0.co;2-i
Subject(s) - materials science , nanocrystalline material , indium tin oxide , solar cell , colloid , layer (electronics) , tin oxide , sintering , indium , substrate (aquarium) , chemical engineering , coating , molybdenum , nanotechnology , thin film , deposition (geology) , oxide , metallurgy , optoelectronics , oceanography , geology , engineering , paleontology , sediment , biology
CuInS 2 (CIS) films for solar energy applications are typically made by rapid thermal sintering of the elements on a molybdenum‐coated glass substrate. The photovoltaic cell is then completed by adding a CdS buffer layer and an Al/ZnO transparent electrode, all in all an expensive process. A low‐cost colloidal route to nanocrystalline ZnO/CIS bilayers on indium tin oxide (ITO) glass is presented here, together with the optical and electrical characterization of the films. The concentrated coating colloids with size‐quantized CIS particles that were developed for the film deposition are described.