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author:

Xie, Fengyan (Xie, Fengyan.) [1] | Dong, Guofa (Dong, Guofa.) [2] | Wu, Minghui (Wu, Minghui.) [3] | Wu, Kechen (Wu, Kechen.) [4] | Huang, Chunlei (Huang, Chunlei.) [5] | Du, Shaowu (Du, Shaowu.) [6] | Li, Yafeng (Li, Yafeng.) [7] | Wei, Mingdeng (Wei, Mingdeng.) [8] | Chen, Caiyun (Chen, Caiyun.) [9]

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EI

Abstract:

The development of excellent ternary metal oxides as electron transporting layers (ETLs) is highly challenging for perovskite solar cells (PSCs). In this study, ZnTiO3 (ZTO) nanoparticles are synthesized via a facile sol-gel method, and used as an ETL in PSCs. Furthermore, for the first time, iodine-doped g-C3N4 (ICN) is introduced into ZnTiO3-based ETL as additive via a glass-assisted annealing route. Characterizations demonstrate that the ZnTiO3-based ETL with the addition of ICN will enhance the PCE, which is attributed to the improved crystalline quality and more favorable energy level alignment. Moreover, the existence of ICN will strengthen the interfacial cohesion between perovskite layer and ETL as well as retard the perovskite crystals from decomposing, leading to the high quality capping light-harvesting layer upon ICN-modified ZnTiO3 (ZTO-ICN) film. Consequently, a champion device fabricated with ZTO-ICN ETL achieves a maximum PCE of 19.17 % with an open circuit voltage (Voc) of 1.012 V, a short-circuit current density (Jsc) of 26.32 mA cm−2 and a fill factor (FF) of 0.720 under AM 1.5 G sunlight (100 mW cm−2). © 2022 Elsevier Inc.

Keyword:

Carbon nitride Iodine Open circuit voltage Perovskite Perovskite solar cells Semiconductor doping Solar power generation Sol-gel process Sol-gels Synthesis (chemical) Zinc compounds

Community:

  • [ 1 ] [Xie, Fengyan]Fujian Key Laboratory of Functional Marine Sensing Materials, Minjiang University, Fuzhou; 350108, China
  • [ 2 ] [Xie, Fengyan]College of Materials and Chemical Engineering, MinJiang University, Fuzhou; 35108, China
  • [ 3 ] [Dong, Guofa]Fujian Key Laboratory of Functional Marine Sensing Materials, Minjiang University, Fuzhou; 350108, China
  • [ 4 ] [Dong, Guofa]College of Materials and Chemical Engineering, MinJiang University, Fuzhou; 35108, China
  • [ 5 ] [Wu, Minghui]Fujian Key Laboratory of Functional Marine Sensing Materials, Minjiang University, Fuzhou; 350108, China
  • [ 6 ] [Wu, Minghui]College of Materials and Chemical Engineering, MinJiang University, Fuzhou; 35108, China
  • [ 7 ] [Wu, Kechen]Fujian Key Laboratory of Functional Marine Sensing Materials, Minjiang University, Fuzhou; 350108, China
  • [ 8 ] [Wu, Kechen]College of Materials and Chemical Engineering, MinJiang University, Fuzhou; 35108, China
  • [ 9 ] [Huang, Chunlei]Fujian Key Laboratory of Functional Marine Sensing Materials, Minjiang University, Fuzhou; 350108, China
  • [ 10 ] [Huang, Chunlei]College of Materials and Chemical Engineering, MinJiang University, Fuzhou; 35108, China
  • [ 11 ] [Du, Shaowu]Fujian Key Laboratory of Functional Marine Sensing Materials, Minjiang University, Fuzhou; 350108, China
  • [ 12 ] [Du, Shaowu]College of Materials and Chemical Engineering, MinJiang University, Fuzhou; 35108, China
  • [ 13 ] [Li, Yafeng]Fujian Key Laboratory of Electrochemcial Energy Storage Materials, Fuzhou University, Fuzhou; 350002, China
  • [ 14 ] [Wei, Mingdeng]Fujian Key Laboratory of Electrochemcial Energy Storage Materials, Fuzhou University, Fuzhou; 350002, China
  • [ 15 ] [Chen, Caiyun]National PV Industry Measurement and Testing Center, Fujian Metrology Institute, Fuzhou; 350003, China

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Source :

Journal of Colloid and Interface Science

ISSN: 0021-9797

Year: 2023

Volume: 635

Page: 159-166

9 . 4

JCR@2023

9 . 4 0 0

JCR@2023

ESI HC Threshold:39

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 8

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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