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Syntheses, Structures, and Thermal Behavior of Cu(hfacac) Complexes Derived from Ethanolamines
Jirí Pinkas1, John C. Huffman, John C. Bollinger
1Departments of Chemistry and Physics and Molecular Structure Center, Indiana University, Bloomington, Indiana 47405-4001.
Inorganic Chemistry
|July 2, 1997
Summary
Novel copper precursors enable metallic copper film deposition via metal-organic chemical vapor deposition (MOCVD) at 300°C without external reductants, simplifying the process.
Area of Science:
- Materials Science
- Inorganic Chemistry
- Chemical Engineering
Background:
- Metal-organic chemical vapor deposition (MOCVD) is a crucial technique for depositing thin films.
- Developing efficient and self-reducing precursors is key to advancing MOCVD processes.
- Copper films are vital in microelectronics and catalysis.
Purpose of the Study:
- To synthesize and structurally characterize novel copper precursors for MOCVD.
- To investigate the deposition of metallic copper films using these precursors.
- To explore the self-reducing capabilities of the designed precursors.
Main Methods:
- Synthesis of novel copper complexes incorporating Cu(hfacac)2 and amino alcohols.
- Structural characterization using X-ray crystallography.
- Deposition of metallic copper films via MOCVD at 300°C.
Main Results:
- Successfully synthesized and characterized four novel copper precursors.
- Demonstrated the deposition of metallic copper films at 300°C.
- Precursors function as both volatile copper sources and internal reductants, eliminating the need for external reducing agents.
Conclusions:
- The novel precursors are effective for MOCVD of metallic copper.
- The integrated reductant functionality simplifies the deposition process.
- These findings offer a streamlined approach for copper film fabrication.