A Flexible Composite Mechanical Energy Harvester from a Ferroelectric Organoamino Phosphonium Salt

被引:28
作者
Vijayakanth, Thangavel [1 ]
Srivastava, Anant Kumar [1 ]
Ram, Farsa
Kulkarni, Priyangi [5 ]
Shanmuganathan, Kadhiravan [3 ,4 ]
Praveenkumar, Balu [5 ]
Boomishankar, Ramamoorthy [1 ,2 ]
机构
[1] Indian Inst Sci Educ & Res, Dept Chem, Dr Homi Bhabha Rd, Pune 411008, Maharashtra, India
[2] Indian Inst Sci Educ & Res, Ctr Energy Sci, Dr Homi Bhabha Rd, Pune 411008, Maharashtra, India
[3] CSIR, Natl Chem Lab, Polymer Sci & Engn Div, Dr Homi Bhabha Rd, Pune 411008, Maharashtra, India
[4] Acad Sci & Innovat Res, CSIR, Human Resource Dev Ctr, Ghaziabad 201002, India
[5] Armament Res & Dev Estab, PZT Ctr, Dr Homi Bhabha Rd, Pune 411021, Maharashtra, India
关键词
binary phosphonium salts; energy conversion; ferroelectricity; hydrogen bonding; polymer composites; PIEZOELECTRIC NANOGENERATOR; POLARIZATION; SENSOR; FILM;
D O I
10.1002/anie.201805479
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A new binary organic salt diphenyl diisopropylamino phosphonium hexaflurophosphate (DPDPPF6) was shown to exhibit a good ferroelectric response and employed for mechanical energy harvesting application. The phosphonium salt crystallizes in the monoclinic noncentrosymmetric space group Cc and exhibits an H-bonded 1D chain structure due to N-HF interactions. Ferroelectric measurements on the single crystals of DPDPPF6 gave a well-saturated rectangular hysteresis loop with a remnant (P-r) polarization value of 6Ccm(-2). Further, composite devices based on polydimethylsiloxane (PDMS) films for various weight percentages (3, 5, 7, 10 and 20wt%) of DPDPPF6 were prepared and examined for power generation by using an impact test setup. A maximum output peak-to-peak voltage (V-PP) of 8.5V and an output peak-to-peak current (I-PP) of 0.5A was obtained for the non-poled composite film with 10wt% of DPDPPF6. These results show the efficacy of organic ferroelectric substances as potential micropower generators.
引用
收藏
页码:9054 / 9058
页数:5
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