▎ 摘　　要

NOVELTY - Preparing bamboo forest-shaped graphene tube array involves preparing the first precursor (A2Ti3O7) nanowire, where A is lithium (Li), sodium (Na), potassium (K) and rubidium (Rb), exchanging portion (A) in the first precursor (A2Ti3O7) nano-wire into a metal ion (M) with catalytic activity by ion exchange method, obtain second precursor Ma+xA1+yTi3O7nanowire, where M is iron (Fe), cobalt (Co), nickel (Ni) or copper (Cu), ax+y=2, a is 2-4. The metal atom (M) in the second precursor (Ma+xA1+yTi3O7) nano-wire separated by chemical vapor deposition, and formed metal nano-particles, then introduced gas carbon source and auxiliary atmosphere at a certain temperature. The metal nano-particle as the catalyst on the surface of the second precursor nano-wire as the carrier is grown into graphene the bamboo obtain shaped graphene tube array. USE - Method for preparing bamboo forest-shaped graphene tube array used in the flexible wearable electronic device (claimed). ADVANTAGE - The method realizes the staking of metal nanoparticles with good catalytic activity through a simple method, and the selection of catalytically active metal nanoparticle elements is diverse, has good practicability, and achieves large-scale graphene growth, with good potential for large-scale commercial production.