▎ 摘　　要

NOVELTY - Preparing molybdenum disulfide quantum dot modified sensing material comprises preparing zinc oxide nanotube array/reduced graphene oxide/ polydimethylsiloxane film, dissolving the sodium molybdate dihydrate in water, collecting the light brown supernatant, obtaining molybdenum disulfide quantum dot, placing the molybdenum disulfide quantum dots on the zinc oxide nanotube array/reduction graphene oxide surface, drying naturally and obtaining flexible molybdenum disulfide quantum dot / zinc oxide nanotube array /reduced graphene sensing material. USE - The material is useful for environmental monitoring and chemical gas detection. DETAILED DESCRIPTION - Preparing molybdenum disulfide quantum dot modified material comprises (i) taking zinc nitrate solution as the electrolyte, placing in a water bath, thermostat heating, cutting the zinc foil and the left and right ends of the insulating tape affixed conductive glass anode and cathode electrodeposited access circuit, depositing, removing the conductive glass, washing with deionized water and drying; (ii) immersing the zinc oxide nanorod array in a potassium hydroxide solution, placing in the water bath under constant temperature and obtaining zinc oxide nanotube array and obtaining zinc oxide nanorod arrays by electrochemical deposition; (iii) fumigating the zinc oxide nanotube array with water vapor, drying naturally, transferring the zinc oxide nanotube array into an acetone solution of aminopropyltrimethoxysilane, allowing to stand, rinsed with ethanol, curing in a dry box; (iv) soaking the conductive glass/zinc oxide nanotube arrays in graphene oxide-carboxylated dispersion, placing in a water bath, drying to obtain zinc oxide nanotube array / graphene oxide film, coating the conductive glass with zinc oxide nanotube array/reduced graphene oxide film, placing under hydrazine vapor at 60-70 degrees C, restoring overnight and obtaining zinc oxide nanotube array/reduced graphene oxide composite; (v) placing the conductive glass/zinc oxide nanotube array/reduced graphene oxide in a spin coater, spinning using polydimethylsiloxane, drying in a vacuum oven, removing bubbles, curing and peeling the zinc oxide nanotube array/reduced graphene oxide/polydimethylsiloxane film from the conductive glass; (vi) dissolving the sodium molybdate dihydrate in water, ultra-sonicating for 4-6 minutes, adding hydrochloric acid, adjusting the pH to 6-7, adding L-cysteine and deionized water, ultra-sonicating for 4-6 minutes, transferring the resultant solution into the reactor, performing hydrothermal reaction, cooling naturally, centrifuging, collecting the light brown supernatant and obtaining molybdenum disulfide quantum dot; (vii) placing the molybdenum disulfide quantum dots on the zinc oxide nanotube array/reduction graphene oxide surface, dropping for every 7-9 hours, allowing to stand for 20-28 hours, drying naturally and obtaining flexible molybdenum disulfide quantum dot / zinc oxide nanotube array / reduced graphene sensing material.