KRUMPOLEC, Richard, David Campbell CAMERON, Dominik BAČA, Josef HUMLÍČEK and Ondřej CAHA. Atomic layer deposition of copper (I) chloride using liquid 1-chlorobutane precursor. In ALD/ALE 2019, 19th International Conference on Atomic Layer Deposition. 2019.
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Original name Atomic layer deposition of copper (I) chloride using liquid 1-chlorobutane precursor
Authors KRUMPOLEC, Richard, David Campbell CAMERON, Dominik BAČA, Josef HUMLÍČEK and Ondřej CAHA.
Edition ALD/ALE 2019, 19th International Conference on Atomic Layer Deposition, 2019.
Other information
Type of outcome Conference abstract
Confidentiality degree is not subject to a state or trade secret
Tags International impact
Changed by Changed by: RNDr. Richard Krumpolec, PhD., učo 235947. Changed: 15/4/2020 15:12.
Abstract
Zinc blende-structure g-copper (I) chloride is a wide, direct bandgap semiconductor with the potential for applications in UV optoelectronics. Atomic layer deposition has previously been applied to deposition of copper chloride CuCl thin films and nanocrystallites [1,2]. The ALD-like process was reported using solid precursors [Bis(trimethylsilyl)acetylene]-(hexafluoroacetylacetonato)copper(I) and Pyridine HCl [3]. In this paper, we worked with anhydrous 1-Chlorobutane as a Cl precursor for deposition of CuCl thin films. The advantage of this liquid precursor is high vapour pressure enabling short pulsing times. The CuCl films were deposited on crystalline silicon with different pretreatment and also on polyimide polymeric substrates. The structural, chemical, optical and photoluminescent properties of CuCl thin films were studied by SEM, XRD, AFM, XPS, optical reflectance and photoluminescence. Figure 1 shows the SEM image of a layer of CuCl crystallites on a silicon substrate cleaned by RCA protocol. The deposition using the liquid 1-chlorobutane precursor is compared to the process using previously reported solid Pyridine HCl. precursor.
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LO1411, research and development projectName: Rozvoj centra pro nízkonákladové plazmové a nanotechnologické povrchové úpravy (Acronym: CEPLANT plus)
Investor: Ministry of Education, Youth and Sports of the CR
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