Composition-matched molecular "solders" for semiconductors

Title
Composition-matched molecular "solders" for semiconductors
Authors
장재영
Issue Date
2015-01
Publisher
AMER ASSOC ADVANCEMENT SCIENCE
Citation
SCIENCE, v. 347, NO 6220, Page. 425-428
Abstract
We propose a general strategy to synthesize largely unexplored soluble chalcogenidometallates of cadmium, lead, and bismuth. These compounds can be used as "solders" for semiconductors widely used in photovoltaics and thermoelectrics. The addition of solder helped to bond crystal surfaces and link nano-or mesoscale particles together. For example, CdSe nanocrystals with Na2Cd2Se3 solder was used as a soluble precursor for CdSe films with electron mobilities exceeding 300 square centimeters per volt-second. CdTe, PbTe, and Bi2Te3 powders were molded into various shapes in the presence of a small additive of composition-matched chalcogenidometallate or chalcogel, thus opening new design spaces for semiconductor technologies.
URI
http://hdl.handle.net/20.500.11754/21161http://science.sciencemag.org/content/347/6220/425
ISSN
0036-8075
DOI
http://dx.doi.org/10.1126/science.1260501
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > DEPARTMENT OF ENERGY ENGINEERING(에너지공학과) > Articles
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