气候变化领域集成服务门户(CCPortal): Emergence of complexity in hierarchically organized chiral particles

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DOI	10.1126/science.aaz7949
	Emergence of complexity in hierarchically organized chiral particles
	Jiang W.; Qu Z.-B.; Kumar P.; Vecchio D.; Wang Y.; Ma Y.; Bahng J.H.; Bernardino K.; Gomes W.R.; Colombari F.M.; Lozada-Blanco A.; Veksler M.; Marino E.; Simon A.; Murray C.; Muniz S.R.; de Moura A.F.; Kotov N.A.
发表日期	2020
ISSN	0036-8075
起始页码	642
结束页码	648
卷号	368 期号:6491
英文摘要	The structural complexity of composite biomaterials and biomineralized particles arises from the hierarchical ordering of inorganic building blocks over multiple scales. Although empirical observations of complex nanoassemblies are abundant, the physicochemical mechanisms leading to their geometrical complexity are still puzzling, especially for nonuniformly sized components. We report the self-assembly of hierarchically organized particles (HOPs) from polydisperse gold thiolate nanoplatelets with cysteine surface ligands. Graph theory methods indicate that these HOPs, which feature twisted spikes and other morphologies, display higher complexity than their biological counterparts. Their intricate organization emerges from competing chirality-dependent assembly restrictions that render assembly pathways primarily dependent on nanoparticle symmetry rather than size. These findings and HOP phase diagrams open a pathway to a large family of colloids with complex architectures and unusual chiroptical and chemical properties. © 2020 American Association for the Advancement of Science. All rights reserved.
关键词	biomaterial cetrimide cysteine gold nanocomposite nanoparticle chemical property colloid complexation complexity composite ligand nanoparticle physicochemical property symmetry adsorption Article biomineralization chemical structure chirality circular dichroism coccolith enthalpy entropy ionic strength molecular weight particle size priority journal spike wave thermodynamics zeta potential Humulus
语种	英语
来源机构	Science
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/133510
推荐引用方式 GB/T 7714	Jiang W.,Qu Z.-B.,Kumar P.,et al. Emergence of complexity in hierarchically organized chiral particles[J]. Science,2020,368(6491).
APA	Jiang W..,Qu Z.-B..,Kumar P..,Vecchio D..,Wang Y..,...&Kotov N.A..(2020).Emergence of complexity in hierarchically organized chiral particles.,368(6491).
MLA	Jiang W.,et al."Emergence of complexity in hierarchically organized chiral particles".368.6491(2020).