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author:

Zhang, J. (Zhang, J..) [1] | Han, S. (Han, S..) [2] | Ji, C. (Ji, C..) [3] | Zhang, W. (Zhang, W..) [4] | Wang, Y. (Wang, Y..) [5] | Tao, K. (Tao, K..) [6] | Sun, Z. (Sun, Z..) [7] | Luo, J. (Luo, J..) [8]

Indexed by:

Scopus

Abstract:

Perovskite hybrids of lead organometal halides, most notably CH3NH3PbI3, have shown extremely promising applications in the field of optoelectronics, because of their remarkable semiconducting and light-absorbing properties. However, two key issues—the toxicity of lead and the poor ambient instabilities—have restrained their further commercialization. Herein, we have designed a new stable polar lead-free hybrid material by utilizing the strategy of cation substitution, [(CH3)3N]3Bi2I9 (1), which adopts the 0D inorganic perovskite-like architecture by face-sharing BiI6 octahedra. It is interesting that 1 displays excellent absorbing properties with a narrow optical band gap of ≈2.0 eV, and positive temperature-dependent conductivity confirms its semiconducting behaviors. In addition, 1 has good phase stability against decomposition under ambient conditions, much superior to that of CH3NH3PbI3. This work suggests the potential of 1 as a lead-free semiconducting absorber with high phase stability for photoelectric applications. © 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim

Keyword:

absorbing properties; lead-free hybrid; narrow band gap; polar structure; semiconducting behaviors

Community:

  • [ 1 ] [Zhang, J.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou, Fujian 350002, China
  • [ 2 ] [Zhang, J.]Fuzhou university, No. 2 College Road, University New District, Fuzhou, Fujian 350108, China
  • [ 3 ] [Han, S.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou, Fujian 350002, China
  • [ 4 ] [Ji, C.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou, Fujian 350002, China
  • [ 5 ] [Zhang, W.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou, Fujian 350002, China
  • [ 6 ] [Wang, Y.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou, Fujian 350002, China
  • [ 7 ] [Tao, K.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou, Fujian 350002, China
  • [ 8 ] [Sun, Z.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou, Fujian 350002, China
  • [ 9 ] [Sun, Z.]Fuzhou university, No. 2 College Road, University New District, Fuzhou, Fujian 350108, China
  • [ 10 ] [Luo, J.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou, Fujian 350002, China

Reprint 's Address:

  • [Sun, Z.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, China

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Source :

Chemistry - A European Journal

ISSN: 0947-6539

Year: 2017

Issue: 68

Volume: 23

Page: 17304-17310

5 . 1 6

JCR@2017

3 . 9 0 0

JCR@2023

ESI HC Threshold:226

JCR Journal Grade:1

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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