2017
DOI: 10.1039/c7nr05764d
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Zero-dimensional methylammonium iodo bismuthate solar cells and synergistic interactions with silicon nanocrystals

Abstract: Organometal trihalide perovskite solar cells have attracted monumental attention in recent years. Today's best devices, based on a three-dimensional perovskite structure of corner-sharing PbI octahedra, are unstable, toxic, and display hysteresis in current-voltage measurements. We present zero-dimensional organic-inorganic hybrid solar cells based on methylammonium iodo bismuthate (CHNH)(BiI) (MABI) comprising a BiI bioctahedra and observe very low hysteresis for scan rates in the broad range of 150 mV s to 1… Show more

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Cited by 27 publications
(34 citation statements)
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“…Typically, the MABI-based solar cells demonstrate a high resistivity to air oxidation and ambient humidity [85,155157 160,168]. Similar high stability to the degradation under ambient atmosphere was reported for highly luminescent Cs 3 Bi 2 X 9 (X = Cl, Br, I) crystals emitting in a broad range from ≈390 to ≈550 nm depending on the composition of the halide component [164].…”
Section: Reviewmentioning
confidence: 76%
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“…Typically, the MABI-based solar cells demonstrate a high resistivity to air oxidation and ambient humidity [85,155157 160,168]. Similar high stability to the degradation under ambient atmosphere was reported for highly luminescent Cs 3 Bi 2 X 9 (X = Cl, Br, I) crystals emitting in a broad range from ≈390 to ≈550 nm depending on the composition of the halide component [164].…”
Section: Reviewmentioning
confidence: 76%
“…In the case of antimony, stable compounds of MA 3 Sb 2 I 9 [90,153], MASbSI 2 [87], and Cs 3 Sb 2 I 9 [8890 154] were reported, while for bismuth, a larger array of compositions was studied, including MA 3 Bi 2 I 9 (MABI) [8485 155163], Cs 3 Bi 2 X 9 [164165], and MA 2 KBiCl 6 [166]. The reported bandgaps of selected Bi- and Sb-based HPs are collected in Table 3.…”
Section: Reviewmentioning
confidence: 99%
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“…10 The high stability of MABI is further evidenced by the absence of hysteresis in MABI devices. 12 MABI was initially prepared as a lead-free alternative to OHPs but has not replicated the monumental rise in efficiency of lead-based OHPs. To date, the best cells have efficiencies of approximately 1.64%.…”
Section: Introductionmentioning
confidence: 99%
“…18 Furthermore, recently we showed the benets of incorporation of femtosecond laser surface-engineered silicon nanocrystals (SiNCs) to form perovskites/SiNCS based hybrids that can increase the efficiency of low-dimensional perovskite solar cells. 12 In this communication we report the results of the stability test of MABI solar cell devices with and without SiNCs aer a period of more than 2 years. Our investigation demonstrates highly stable MABI solar cells which show enhanced stability when incorporated with SiNCs, resulting in an increase in the performance aer >2 years.…”
Section: Introductionmentioning
confidence: 99%