Tunable intraparticle frameworks for creating complex heterostructured nanoparticle libraries

被引:284
作者
Fenton, Julie L.
Steimle, Benjamin C.
Schaak, Raymond E. [1 ]
机构
[1] Penn State Univ, Dept Chem, University Pk, PA 16802 USA
基金
美国国家科学基金会;
关键词
COLLOIDAL HYBRID NANOPARTICLES; COPPER SULFIDE NANOCRYSTALS; PARTIAL CATION-EXCHANGE; PHASE-TRANSFORMATIONS; NANOSTRUCTURES; NANOPLATELETS; REACTIVITY; NANORODS; STRAIN; GROWTH;
D O I
10.1126/science.aar5597
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
Complex heterostructured nanoparticles with precisely defined materials and interfaces are important for many applications. However, rationally incorporating such features into nanoparticles with rigorous morphology control remains a synthetic bottleneck. We define a modular divergent synthesis strategy that progressively transforms simple nanoparticle synthons into increasingly sophisticated products. We introduce a series of tunable interfaces into zero-, one-, and two- dimensional copper sulfide nanoparticles using cation exchange reactions. Subsequent manipulation of these intraparticle frameworks yielded a library of 47 distinct heterostructured metal sulfide derivatives, including particles that contain asymmetric, patchy, porous, and sculpted nanoarchitectures. This generalizable mix- and- match strategy provides predictable retrosynthetic pathways to complex nanoparticle features that are otherwise inaccessible.
引用
收藏
页码:513 / 517
页数:5
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