Atomic layer deposition of metal sulfide thin films using non-halogenated precursors
A method for preparing a metal sulfide thin film using ALD and structures incorporating the metal sulfide thin film. The method includes providing an ALD reactor, a substrate, a first precursor comprising a metal and a second precursor comprising a sulfur compound. The first and the second precursors are reacted in the ALD precursor to form a metal sulfide thin film on the substrate. In a particular embodiment, the metal compound comprises Bis(N,N'-di-sec-butylacetamidinato)dicopper(I) and the sulfur compound comprises hydrogen sulfide (H.sub.2S) to prepare a Cu.sub.2S film. The resulting metal sulfide thin film may be used in among other devices, photovoltaic devices, including interdigitated photovoltaic devices that may use relatively abundant materials for electrical energy production.
- Research Organization:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC02-06CH11357
- Assignee:
- UChicago Argonne, LLC (Chicago, IL)
- Patent Number(s):
- 9,040,113
- Application Number:
- 12/780,664
- OSTI ID:
- 1347438
- Resource Relation:
- Patent File Date: 2010 May 14
- Country of Publication:
- United States
- Language:
- English
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