Structural phase transitions and thermal stability inlead-free layered inorganic-organic (IO) hybrid systems are reported. Copper chloride-based (C12H25NH3)2CuCl4 and (C6H9C2H4NH3)2CuCl4 systemsshow better stability against copper bromide-based (C12H25NH3)2CuBr4 and (C6H9C2H4NH3)2CuBr4 systems. These IO hybrids exhibit multiple solid-solid structural phase transitions depending upon the length of alkylammonium chain and arrangement of metal-halogen network. The estimated decomposition temperatures are 202°C, 117°C, 187°C, and 102°C for (C12H25NH3)2CuCl4, (C6H9C2H4NH3)2CuCl4, (C12H25NH3)2CuBr4, and (C6H9C2H4NH3)2CuBr4, respectively. The optoelectronic and other properties of these materials can be tuned by selecting proper composition of organic and metal halides during solution processed growth.
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29 August 2019
ADVANCES IN BASIC SCIENCE (ICABS 2019)
7–9 February 2019
Bahal, India
Research Article|
August 29 2019
Structural phase transitions and thermal stability in Cu-based 2D inorganic-organic hybrid perovskite systems
Madhu Bochalya;
Madhu Bochalya
Department of Physics, Indian Institute of Technology Delhi
, Hauz Khas, New Delhi110016, India
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Pawan K. Kanaujia;
Pawan K. Kanaujia
Department of Physics, Indian Institute of Technology Delhi
, Hauz Khas, New Delhi110016, India
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G. Vijaya Prakash;
G. Vijaya Prakash
Department of Physics, Indian Institute of Technology Delhi
, Hauz Khas, New Delhi110016, India
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Sunil Kumar
Sunil Kumar
*
Department of Physics, Indian Institute of Technology Delhi
, Hauz Khas, New Delhi110016, India
*Corresponding author: kumarsunil@physics.iiitd.ac.in
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*Corresponding author: kumarsunil@physics.iiitd.ac.in
AIP Conf. Proc. 2142, 030001 (2019)
Citation
Madhu Bochalya, Pawan K. Kanaujia, G. Vijaya Prakash, Sunil Kumar; Structural phase transitions and thermal stability in Cu-based 2D inorganic-organic hybrid perovskite systems. AIP Conf. Proc. 29 August 2019; 2142 (1): 030001. https://doi.org/10.1063/1.5122329
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