Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 7, Issue 17, Pages 9297-9305Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.5b02526
Keywords
transient electronics; dissoluble semiconductors; bioresorbable electronics; biocompatible materials; thin-film solar cells
Funding
- NSF INSPIRE
- National Research Foundation of Korea (NRF) - Ministry of Science, ICT, and Future Planning [NRF-2007-00107, NRF-2013M3A9D3045719]
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Semiconducting materials are central to the development of high-performance electronics that are capable of dissolving completely when immersed in aqueous solutions, groundwater, or biofluids, for applications in temporary biomedical implants, environmentally degradable sensors, and other systems. The results reported here include comprehensive studies of the dissolution by hydrolysis of polycrystalline silicon, amorphous silicon, silicon germanium, and germanium in aqueous solutions of various,pH values and temperatures. In vitro cellular toxicity evaluations demonstrate the biocompatibility of the materials and end products of dissolution, thereby supporting their potential for use in biodegradable electronics. A fully dissolvable thin-film solar cell illustrates the ability to integrate these semiconductors into functional systems.
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