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author：

Lin, C. (Lin, C..) [1] | Wang, H. (Wang, H..) [2] | Wang, P. (Wang, P..) [3] | Wu, X. (Wu, X..) [4] | Lin, T. (Lin, T..) [5] | Sa, B. (Sa, B..) [6] | Cheng, Y. (Cheng, Y..) [7] | Zheng, X. (Zheng, X..) [8] | Yu, X. (Yu, X..) [9] | Fang, C. (Fang, C..) [10]

Indexed by：

Scopus

Abstract：

Dy3+-doped　K0.5Na0.5NbO3-Ba(Sc0.5Nb0.5)O3　transparent　ferroelectric　ceramics,　a　novel　smart　white-lighting　(WL)　photochromic　(PC)　material,　were　prepared　by　conventional　pressureless　sintering.　The　ceramics　exhibit　high　optical　transmittance　(~67%　at　1800 nm),　good　photoluminescence　(PL)　performance,　high-quality　WL,　and　moderate　electrical　properties.　Meanwhile,　high-contrast　modulations　of　optical　transmittance　and　PL　intensity　(with　the　maximal　modulating　values　of　20.5%　and　57.4%,　respectively)　have　been　realized　via　PC　behavior　by　alternating　the　illumination　of　UV　light　and　thermal　stimulus.　In　particular,　the　reversible　modulations　of　WL　intensity,　color　coordinates,　correlated　color　temperature,　and　color　purity　have　been　achieved　through　the　PC　regulation　to　the　intensity　ratio　of　yellow/blue　emission.　Definitively,　based　on　the　effect　of　intrinsic　defects　and　extrinsic　defects　(Ba4+/Sc3-x)　on　the　PL　properties,　the　PC　mechanism　in　KNN-based　material　has　been　further　complemented.　The　transparent　ceramics　should　be　a　promising　material　in　white　LEDs　and　optoelectronic　multifunctional　devices.　©　2020　American　Ceramic　Society　(ACERS)

Keyword：

intrinsic/extrinsic defects; KNN; photochromic behavior; transparent ceramics; white lighting modulation

Community：

  • [ 1 ] [Lin, C.]Department of Material Science and Engineering, Fuzhou University, Fuzhou, China
  • [ 2 ] [Wang, H.]Department of Material Science and Engineering, Fuzhou University, Fuzhou, China
  • [ 3 ] [Wang, P.]Department of Material Science and Engineering, Fuzhou University, Fuzhou, China
  • [ 4 ] [Wu, X.]Department of Material Science and Engineering, Fuzhou University, Fuzhou, China
  • [ 5 ] [Lin, T.]Department of Material Science and Engineering, Fuzhou University, Fuzhou, China
  • [ 6 ] [Sa, B.]Department of Material Science and Engineering, Fuzhou University, Fuzhou, China
  • [ 7 ] [Cheng, Y.]Fujian Institute of Research on the Structure, Fuzhou, China
  • [ 8 ] [Zheng, X.]Department of Material Science and Engineering, Fuzhou University, Fuzhou, China
  • [ 9 ] [Yu, X.]National Analysis Center for Iron & Steel, Central Iron and Steel Research Institute, Beijing, China
  • [ 10 ] [Fang, C.]Faculty of Printing, Packing Engineering and Digital Media Technology, Xi'an University of Technology, Xi'an, China

Reprint 's Address：

  • [Wu, X.]Department of Material Science and Engineering, Fuzhou UniversityChina

Email：


wuxiao@fzu.edu.cn
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Source ：

Journal of the American Ceramic Society

ISSN： 0002-7820

Year： 2020

3 . 7 8 4

JCR@2020

3 . 5 0 0

JCR@2023

ESI HC Threshold：196

JCR Journal Grade：1

CAS Journal Grade：2

Cited Count：

WoS CC Cited Count：

SCOPUS Cited Count： 54

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 1

Affiliated Colleges：

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