BROWSE

Related Researcher

Author's Photo

Ding, Feng
IBS - Center for Multidimensional Carbon Materials (CMCM)
Research Interests
  • Theoretical methods development for materials studies.
  • The formation mechanism of various carbon materials, from fullerene to carbon nanotube and graphene.
  • Kinetics and thermodynamics of materials growth and etching.
  • The structure, properties and fundamentals of nanomaterials.
  • The experimental synthesis of carbon nanotubes.

ITEM VIEW & DOWNLOAD

Evoking ordered vacancies in metallic nanostructures toward a vacated Barlow packing for high-performance hydrogen evolution

Cited 0 times inthomson ciCited 0 times inthomson ci
Title
Evoking ordered vacancies in metallic nanostructures toward a vacated Barlow packing for high-performance hydrogen evolution
Author
Zhang, ZhichengLiu, GuigaoCui, XiaoyaGong, YueYi, DingZhang, QinghuaZhu, ChongzhiSaleem, FaisalChen, BoLai, ZhuangchaiYun, QinbaiCheng, HongfeiHuang, ZhiqiPeng, YongwuFan, ZhanxiLi, BingDai, WenruiChen, WeiDu, YonghuaMa, LuSun, Cheng-JunHwang, InhuiChen, ShuangmingSong, LiDing, FengGu, LinZhu, YihanZhang, Hua
Issue Date
2021-03
Publisher
AMER ASSOC ADVANCEMENT SCIENCE
Citation
SCIENCE ADVANCES, v.7, no.13, pp.eabd6647
Abstract
Metallic nanostructures are commonly densely packed into a few packing variants with slightly different atomic packing factors. The structural aspects and physicochemical properties related with the vacancies in such nanostructures are rarely explored because of lack of an effective way to control the introduction of vacancy sites. Highly voided metallic nanostructures with ordered vacancies are however energetically high lying and very difficult to synthesize. Here, we report a chemical method for synthesis of hierarchical Rh nanostructures (Rh NSs) composed of ultrathin nanosheets, composed of hexagonal close-packed structure embedded with nanodomains that adopt a vacated Barlow packing with ordered vacancies. The obtained Rh NSs exhibit remarkably enhanced electrocatalytic activity and stability toward the hydrogen evolution reaction (HER) in alkaline media. Theoretical calculations reveal that the exceptional electrocatalytic performance of Rh NSs originates from their unique vacancy structures, which facilitate the adsorption and dissociation of H2O in the HER.
URI
https://scholarworks.unist.ac.kr/handle/201301/52749
URL
https://advances.sciencemag.org/content/7/13/eabd6647
DOI
10.1126/sciadv.abd6647
ISSN
2375-2548
Appears in Collections:
MSE_Journal Papers
Files in This Item:
There are no files associated with this item.

find_unist can give you direct access to the published full text of this article. (UNISTARs only)

Show full item record

qrcode

  • mendeley

    citeulike

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.

MENU