title: Nanotunnel Structures within Metal Oxides Induce Active Sites for the Strong Self-Reduction of MnIVto MnII.
abstract: Zn2SiO4, Zn2GeO4, and CdAl2O4possess high electron density in their six-membered-ring nanotunnels, manganese from MnO2was successfully doped into them, and green or blue phosphors were produced in air. It is nanotunnel A with high electron density that induces active sites for the reduction of MnIV. MnIVis captured and reduced to MnIIon active sites by seizing two electrons from native defect VO×(VO×+ Mn4+→ VO··+ Mn2+). CdB4O7:0.02Mn2+was also synthesized from MnO2or MnCO3to confirm the role of nanotunnels. Such inorganic crystals with unique nanotunnel structure may bring more amazing performances in the field of materials in the future.
authors.affiliation: Department of Chemistry and Pharmaceutical Science, Qingdao Agricultural University , Chengyang District, Qingdao 266109, P. R. China.
authors.forename: Weiguang
authors.initials: W
authors.lastname: Ran
authors.affiliation: Department of Chemistry and Pharmaceutical Science, Qingdao Agricultural University , Chengyang District, Qingdao 266109, P. R. China.
authors.forename: Lili
authors.initials: L
authors.lastname: Wang
authors.affiliation: Department of Chemistry and Pharmaceutical Science, Qingdao Agricultural University , Chengyang District, Qingdao 266109, P. R. China.
authors.forename: Hongwei
authors.initials: H
authors.lastname: Xu
authors.affiliation: Department of Chemistry and Pharmaceutical Science, Qingdao Agricultural University , Chengyang District, Qingdao 266109, P. R. China.
authors.forename: Xiaoying
authors.initials: X
authors.lastname: Kong
authors.affiliation: Department of Chemistry and Pharmaceutical Science, Qingdao Agricultural University , Chengyang District, Qingdao 266109, P. R. China.
authors.forename: Yuwei
authors.initials: Y
authors.lastname: Sun
authors.affiliation: Department of Chemistry and Pharmaceutical Science, Qingdao Agricultural University , Chengyang District, Qingdao 266109, P. R. China.
authors.forename: Dan
authors.initials: D
authors.lastname: Qu
authors.affiliation: Department of Chemistry and Pharmaceutical Science, Qingdao Agricultural University , Chengyang District, Qingdao 266109, P. R. China.
authors.forename: Jinsheng
authors.identifier: http://orcid.org/0000-0003-2219-5956
authors.initials: J
authors.lastname: Shi