387 citations · 966 across the 16 of their papers we have counts for
6 papers · 1 filter
Structures of iron and cobalt bimetallic clusters for optimized chemical vapor deposition growth of single-walled carbon nanotubes
Qingmei Hu, Daniel Hedman, Ya Feng +17
We investigate iron-cobalt (Fe-Co) alloys as a representative high-performance catalyst system for SWCNT growth in a systematic manner by combining chemical vapor deposition (CVD)…
Analysis of Fe and Co binary catalysts in chemical vapor deposition growth of single-walled carbon nanotubes
Qingmei Hu, Ya Feng, Wanyu Dai +17
Metal catalysts play a pivotal role in the growth of single-walled carbon nanotubes (SWCNTs), with binary metallic catalysts emerging as an efficient SWCNT synthesis strategy. Amon…
One-dimensional van der Waals Heterostructures: Growth Mechanism and Handedness Correlation Revealed by Non-destructive TEM
Yongjia Zheng, Akihito Kumamoto, Kaoru Hisama +15
In this work, we perform a follow-up and comprehensive study on the structural details and formation mechanism of chemical vapor deposition (CVD) synthesized one-dimensional (1D) v…
Photoluminescence from Single-Walled MoS Nanotubes Coaxially Grown on Boron Nitride Nanotubes
Ming Liu, Kaoru Hisama, Yongjia Zheng +9
Single- and multi-walled molybdenum disulfide (MoS) nanotubes have been coaxially grown on small diameter boron nitride nanotubes (BNNTs) which were synthesized from heteronano…
Indirect-to-direct band gap crossover of single walled MoS nanotubes
Kaoru Hisama, Mina Maruyama, Shohei Chiashi +2
Using density functional theory, the electronic structures of single walled molybdenum disulfide nanotubes (MoS NTs) were investigated as a function of diameter. Our calculatio…
One-dimensional van der Waals heterostructures
Rong Xiang, Taiki Inoue, Yongjia Zheng +23
Property by design is one appealing idea in material synthesis but hard to achieve in practice. A recent successful example is the demonstration of van der Waals (vdW) heterostruct…