Composition-matched molecular "solders" for semiconductors

被引：174

作者：

Dolzhnikov, Dmitriy S. ^{[1
,2
]}

Zhang, Hao ^{[1
,2
]}

Jang, Jaeyoung ^{[1
,2
]}

Son, Jae Sung ^{[1
,2
]}

Panthani, Matthew G. ^{[1
,2
]}

Shibata, Tomohiro ^{[3
,4
]}

Chattopadhyay, Soma ^{[3
,4
]}

Talapin, Dmitri V. ^{[1
,2
,5
]}

机构：

[1] Univ Chicago, Dept Chem, Chicago, IL 60637 USA

[2] Univ Chicago, James Franck Inst, Chicago, IL 60637 USA

[3] Argonne Natl Lab, MRCAT, Adv Photon Source, Sect 10, Argonne, IL 60439 USA

[4] IIT, Dept Phys, Adv Mat Grp, Chicago, IL 60616 USA

[5] Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA

来源：

SCIENCE | 2015年 / 347卷 / 6220期

关键词：

FIELD-EFFECT TRANSISTORS; COLLOIDAL NANOCRYSTALS; SOLIDS; THERMOELECTRICS; REDUCTION; TRANSPORT; FILMS; PBS;

D O I：

10.1126/science.1260501

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

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.

引用

页码：425 / 428

页数：4

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