abs

학술발표회초록보기

초록문의 abstract@kcsnet.or.kr

결제문의 member@kcsnet.or.kr

현재 가능한 작업은 아래와 같습니다.
  • 03월 02일 17시 이후 : 초록수정 불가능, 일정확인 및 검색만 가능

제129회 대한화학회 학술발표회, 총회 및 기기전시회 Unveiling surface structure of Fe-TiO2 photocatalysts active for NO oxidation

등록일
2022년 1월 18일 13시 44분 49초
접수번호
0029
발표코드
PHYS.P-11 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
4월 14일 (목요일) 11:00~13:00
발표형식
포스터
발표분야
Physical Chemistry
저자 및
공동저자
HuiCheol Choe, Shufang Zhao, Miyeon Jeong, Young Dok Kim*
Department of Chemistry, Sungkyunkwan University, Korea
We used commercial rutile TiO2 particles capped with Al2O3 and ZrO2 layers, widely used as white pigment, as a starting material for the fabrication of visible light responsive photocatalysts towards gas phase NO oxidation. The as-received TiO2 with Fe impurity showed a lower photocatalytic activity, and the activity was boosted by deposition of additional Fe comparable to the intrinsic Fe impurity level in quantity. Analyses using XPS, ToF-SIMS and LEIS revealed that the natures of additionally deposited Fe and intrinsic impurity Fe are quite dissimilar in terms of location, oxidation states and interaction with TiO2. We highlight that tracking structure of elements in a photocatalysts with impurity level in amount can be crucial for understanding the structure-activity relationship for real catalyst.