TY - JOUR
T1 - Microfluidic-Assisted Self-Assembly of 2D Nanosheets toward in situ Generation of Robust Nanofiber Film
AU - Zhou, Liangliang
AU - Han, Jingtao
AU - Xiao, Jijun
AU - Yang, Xiaoning
AU - Chen, Su
N1 - Publisher Copyright:
© 2023 Wiley-VCH GmbH.
PY - 2023/8/16
Y1 - 2023/8/16
N2 - Methods allow the enhancement of nanofibers via self-assembly are potentially important for new disciplines with many advantages, including multi-anchor interaction, intrinsic mechanical properties and versatility. Herein, a microfluidic-assisted self-assembly process to construct hydroxyl functionalized boron nitride nanosheets (OH−BNNS)/graphene oxide (GO)/thermoplastic polyurethane (TPU) composite nanofiber film, in which stable and precisely controlled self-assembly is fulfilled by the confined ultra-small-volume chip is demonstrated. Multiple fine structural analyses alongside with the density-functional theory (DFT) calculations are implemented to confirm the synergistic effect of noncovalent interactions (hydrogen bonding interaction, π – π stacking interaction, and van der Waals attraction) plays a critical role in the robust micro-structure and a massive 700% enhancement of mechanical strength via adding only 0.3 wt% OH−BNNS and GO. Importantly, profiled from broadband optical absorption ability, robust mechanical properties and outstanding flexibility, the self-assembled 3D OH−BNNS/GO/TPU nanofiber film reveals an adorable evaporation rate of 4.04 kg m−2 h−1 under one sun illumination with stable energy transfer efficiency (93.2%) by accompanying hydrogen bonding interaction. This microfluidic-assisted self-assembly strategy will provide a constructive entry point for the rational design of nanofibers and beyond.
AB - Methods allow the enhancement of nanofibers via self-assembly are potentially important for new disciplines with many advantages, including multi-anchor interaction, intrinsic mechanical properties and versatility. Herein, a microfluidic-assisted self-assembly process to construct hydroxyl functionalized boron nitride nanosheets (OH−BNNS)/graphene oxide (GO)/thermoplastic polyurethane (TPU) composite nanofiber film, in which stable and precisely controlled self-assembly is fulfilled by the confined ultra-small-volume chip is demonstrated. Multiple fine structural analyses alongside with the density-functional theory (DFT) calculations are implemented to confirm the synergistic effect of noncovalent interactions (hydrogen bonding interaction, π – π stacking interaction, and van der Waals attraction) plays a critical role in the robust micro-structure and a massive 700% enhancement of mechanical strength via adding only 0.3 wt% OH−BNNS and GO. Importantly, profiled from broadband optical absorption ability, robust mechanical properties and outstanding flexibility, the self-assembled 3D OH−BNNS/GO/TPU nanofiber film reveals an adorable evaporation rate of 4.04 kg m−2 h−1 under one sun illumination with stable energy transfer efficiency (93.2%) by accompanying hydrogen bonding interaction. This microfluidic-assisted self-assembly strategy will provide a constructive entry point for the rational design of nanofibers and beyond.
KW - 2D nanosheets
KW - microfluidic-assisted self-assembly
KW - water evaporation
UR - http://www.scopus.com/inward/record.url?scp=85152947409&partnerID=8YFLogxK
U2 - 10.1002/smll.202301310
DO - 10.1002/smll.202301310
M3 - 文章
C2 - 37080949
AN - SCOPUS:85152947409
SN - 1613-6810
VL - 19
JO - Small
JF - Small
IS - 33
M1 - 2301310
ER -