Abstract
Hybrid
nanostructures integrating electroactive materials with functional species,
such as MOFs, COFs, complex, graphdiyne, carbon etc., are of great significance
for both fundamental research and energy conversion/storage applications.
Herein, hierarchical triple-layered nanotube arrays, which consist of hydrogen substituted
graphdiyne (HsGDY) frameworks seamlessly sandwiched between an outer layer of
Ni, Co co-doped MoS2 nanosheets and an inner layer of mixed NiCoS
(Co9S8, Ni3S2), are directly
fabricated on a conductive carbon paper. The elaborate triple-layered structure is demonstrated a decent hybrid electrode for energy conversion and storage, in
which the organic HsGDY middle layer with a large π-conjugation system between
the electroactive nanomaterials provides built-in electron and ion channels and
is crucial for performance enhancement. The tri-layered structure provides a promising platform for
advanced nanostructure-engineering of hierarchical multilayered nanostructures
towards a wide range of electrochemical applications.
This work was highlighted by KAUST Discovery.