| 학회 |
한국화학공학회 |
| 학술대회 |
2015년 가을 (10/21 ~ 10/23, 일산 KINTEX) |
| 권호 |
21권 2호, p.2088 |
| 발표분야 |
재료 |
| 제목 |
Shape Control to Pure Phase of Iron Pyrite (FeS2) by Using Facial Hot Injection Method |
| 초록 |
In this works, the pure phase of cubic and spherical FeS2 NCs with the size of 80 nm and 40 nm, respectively, could be obtained by using trioctylamine and oleylamine as the solvent to dissolve the sulfur source in a facile and efficient hot injection synthesis. The formation for pure phase and shape control is based on the condition of active sulfur source, a secondary sulfur source, which could be formed by reacting between sulfur element and primary amine. It is shown that only the active sulfur source can facilitate the formation FeS2 pure phase from the FeS phase to FeS2 phase via Fe3S4 phase. Addition, different “active” sulfur conditions could have been main reason to achieve shape control. In the poor “active” sulfur condition, the {100} facet of FeS2 NCs could be preferred to form cube shape of FeS2 NCs. In the rich “active” sulur condition, the {111} or {210} facets could be preferred to form spherical shape of FeS2 NCs. The obtained FeS2 pyrite NCs demonstrated the pure phase and good optical properties which is considered for further application in practical and low cost photovoltaic materials. |
| 저자 |
박진호1, 호앙티하이하1, 김창득2, Phamhauthanhviet1, 트롱윈탐윈1, 트린탄기에우1
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| 소속 |
1영남대, 2경북대 |
| 키워드 |
Iron pyrite; greener method; pure phase; non - toxic material; trioctylamine
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| E-Mail |
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| 원문파일 |
초록 보기 |
