Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 7, Issue 43, Pages 25112-25119Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9ta09715e
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Funding
- European Research Council via the ERC Consolidator Grant Solacylin' [647281]
- DFG (Deutsche Forschungsgemeinscha) via the bridge funding of the excellence cluster Engineering of Advanced Materials (EAM) [EXC315]
- European Research Council (ERC) [647281] Funding Source: European Research Council (ERC)
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We present a procedure to grow thin films of lead sulfide (PbS) with 'solution Atomic Layer Deposition' (sALD), a technique which transfers the principles of ALD from the gas phase (gALD) to liquid processing. PbS thin films are successfully deposited on planar and porous substrates with a procedure that exhibits the unique ALD characteristics of self-limiting surface chemistry and linear growth at room temperature. The polycrystalline p-type PbS films are stoichiometric and pure. They are converted to the hybrid perovskite methylammonium iodoplumbate (methylammonium lead iodide, MAPI, CH3NH3PbI3) by annealing to 150 degrees C in the presence of vapors from methylammonium iodide (MAI).
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