Growing Process of Zn O Nanorods on Woven

  • Slides: 8
Download presentation
Growing Process of Zn. O Nano-rods on Woven Carbon Fiber (4 seed cycles, 20

Growing Process of Zn. O Nano-rods on Woven Carbon Fiber (4 seed cycles, 20 m. M, 4 h)

Preparation of Zn. O seed and growth solutions 1) Seed solution 1. Dissolving 0.

Preparation of Zn. O seed and growth solutions 1) Seed solution 1. Dissolving 0. 22 g of zinc acetate dihydrate in 400 ml of ethanol at 65℃ 0. 22 g zinc acetate dihydrate and stirring for 30 min. Stirring for 30 min A 400 ml of ethanol at 65 ℃ 2. In another beaker, dissolving 0. 04 g of Na. OH in 500 ml of ethanol at 65 ℃ and stirring for 10 min. 0. 04 g Na. OH B Stirring for 10 min 500 ml of ethanol at 65 ℃

Cont. Preparation of Zn. O seed and growth solutions 1) Seed solution 3. Slowly

Cont. Preparation of Zn. O seed and growth solutions 1) Seed solution 3. Slowly pouring 80 ml of Na. OH solution into the zinc acetate dihydrate solution and adding additional 320 ml of ethanol. Stirring for 30 min without applying heat. 320 ml of ethanol 80 ml of Na. OH solution B A Stirring for 30 min Without applying heat

Cont. Preparation of Zn. O seed and growth solutions 2) Growth solution 2. 80

Cont. Preparation of Zn. O seed and growth solutions 2) Growth solution 2. 80 g HMTA 1. Dissolving 2. 80 g of HMTA in 630 ml of distilled water and stirring for 10 min. (MW of HMTA is 140. 19 g/mol) C Stirring for 10 min 630 ml of distilled water 2. Dissolving 5. 95 g of zinc nitrate hexahydrate in the HMTA solution and stirring for 30 min. (MW of zinc nitrate hexahydrate is 297. 49 g/mol) 5. 95 g zinc nitrate hexahydrate C Stirring for 30 min

Growth Zn. O nano-rods on the surface of WCF 1) Growth process 1. Dipping

Growth Zn. O nano-rods on the surface of WCF 1) Growth process 1. Dipping WCF samples into the seed solution for 10 min, WCF annealing at 150℃ for 10 min and repeating for 4 cycles A Dipping for 10 min Annealing at 150℃ for 10 min Pyrolysis process in the oven 2. Dipping WCF samples into the growth solution which is sealed in a stainless steel autoclave. Treating hydrothermal process in a 90℃ oven for 4 h. C 90℃ oven for 4 h WCF 20 m. M Growth solution Stainless steel autoclave Autoclave heating process

Cont. Growth Zn. O nano-rods on the surface of WCF 1) Growth process 3.

Cont. Growth Zn. O nano-rods on the surface of WCF 1) Growth process 3. Rinsing WCF with distilled water and drying it in ambient conditions for 1 day. Rinse several times WCF Distilled water Drying in ambient condition for 1 day WCF

Materials Zinc nitrate hexahydrate (Zn(NO 3)26 H 2 O) Hexamethylenetetramine (C 6 H 12

Materials Zinc nitrate hexahydrate (Zn(NO 3)26 H 2 O) Hexamethylenetetramine (C 6 H 12 N 4, HMTA) Zinc acetate dihydrate (Zn(CH 3 COO)22 H 2 O) Sodium Hydroxide (Na. OH) Ethanol Stainless steel autoclave

Reference Processing and mechanical characterization of Zn. O/polyester woven carbon–fiber composites with different Zn.

Reference Processing and mechanical characterization of Zn. O/polyester woven carbon–fiber composites with different Zn. O concentrations Kyungil Kong, Biplab K. Deka, Sang Kyu Kwak, Aeri Oh, Heejune Kim, Young-Bin Park, Hyung Wook Park Composites: Part A 55 (2013) 152– 160