Preparation and Exceptional Lithium Anodic Performance of Porous Carbon-Coated ZnO Quantum Dots Derived from a Metal–Organic Framework
Author(s) -
Seung Jae Yang,
Seunghoon Nam,
Taehoon Kim,
Ji Hyuk Im,
Haesol Jung,
Jong Hun Kang,
Sungun Wi,
Byungwoo Park,
Chong Rae Park
Publication year - 2013
Publication title -
journal of the american chemical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 7.115
H-Index - 612
eISSN - 1520-5126
pISSN - 0002-7863
DOI - 10.1021/ja311550t
Subject(s) - anode , lithium (medication) , porosity , chemistry , carbon fibers , pyrolysis , metal organic framework , microstructure , electrochemistry , quantum dot , nanotechnology , chemical engineering , electrode , adsorption , materials science , composite number , composite material , organic chemistry , medicine , engineering , crystallography , endocrinology
Hierarchically porous carbon-coated ZnO quantum dots (QDs) (~3.5 nm) were synthesized by a one-step controlled pyrolysis of the metal-organic framework IRMOF-1. We have demonstrated a scalable and facile synthesis of carbon-coated ZnO QDs without agglomeration by structural reorganization. This unique microstructure exhibits outstanding electrochemical performance (capacity, cyclability, and rate capability) when evaluated as an anode material for lithium ion batteries.
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