Dissolution Chemistry and Biocompatibility of Silicon- and Germanium-Based Semiconductors for Transient Electronics
Silicon
Light
Cell Survival
Germanium
Biocompatible Materials
Equipment Design
02 engineering and technology
7. Clean energy
01 natural sciences
0104 chemical sciences
Equipment Failure Analysis
Electric Power Supplies
Semiconductors
13. Climate action
Materials Testing
Solar Energy
Electronics
Crystallization
0210 nano-technology
DOI:
10.1021/acsami.5b02526
Publication Date:
2015-04-13T19:39:49Z
AUTHORS (12)
ABSTRACT
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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