Organic-Inorganic perovskite materials has many applications in the field of opto-electronics such as photo-voltaic cells, LEDs, sensors, memory devices etc. due to its excellent optical and electrical properties. Presence of Pb in such type of perovskite is the biggest challenge for researchers.

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STUDY OF ORGANIC – INORGANIC HALIDE
PEROVSKITE LIGHT HARVESTING
MATERIALS & THEIR APPLICATIONS
By-
RAJAN KUMAR SINGH
Supervisor-
Prof. RANVEER KUMAR
Department of Physics
Dr. H. S. Gour Central University,
Sagar , 470003, M.P. India
RESEARCH PROPOSAL
ON
(rajanphysicssgo@gmail.com)

2. Out lines:
1. Introduction
 2. Scope of study
 3.Review of Literature
 4. Objective of Work
 6. Research Methodology including sampling & design
 7. Significant Outcomes of Proposed Work:
 8. References

3. Introduction:

4. Scope of study
 Perovskite is a structure of
compound & all perovskites are
not solar
 ‘Perovskite solar cell' is derived
from the ABX3 crystal structure
of the absorber materials
 Most common perovskite
absorber is methylammonium
lead trihalide CH3NH3PbX3
(optical band gap between 1.5
and 2.3 eV)

6. 6

7. Objective of Work
Objective of my work as follows:
 To Synthesis the different hybrid perovskite light harvester materials with the help
of different methods.
 To study the effect of ambient and inert conditions on the hybrid perovskite
materials.
 To Analysis of change in structure, morphology and optical properties with
different temperature.
 Fabrication of perovskite solar cells using different electron transporting materials,
light absorbers, hole transporting material and electrodes.
 Lead is a toxic material and it is not environment friendly that’s why our focus of
work will be, to find out the substitute of Pb like Sn, Si, Ge, Bi, Cd, Mn, Ca, Cu etc.
 Stability of the perovskite materials is a big issue for researchers thus in this work
we will try to fabricate more stable perovskite light harvesting materials and
devices using different technology.

8. Research Methodology

9. Device fabrication:

10. Electrical Property
Solar Simulator Electro potential Work Station
Thermal Study
Simultaneous Thermal Analyzer (DSC/TG)
Functional Groups and Compositions
FTIR Spectroscopy RAMAN Spectroscopy NMR Spectroscopy
Optical Properties
UV-Visible Spectroscopy PL Spectroscopy Ellipsometer
Structural Properties
XRD TEM SEM
Characteristic Techniques:

11. Yearly Research plan
1st Year
• We set up laboratory. We will study literature survey and find out research objectives. In the
same year we order for chemicals and glass wares. The purchasing of instrument will be
done.
2nd year
• In this year we will synthesize light harvester material with different Organometalic halides
and mixed halide. Such as CH3NH3PbCl3, CH3NH3PbI3-xClx, etc. with wet chemical method.
We will synthesize both powder as well liquid hybrid perovskite precursors.
3rd Year
• We will study the morphological, structural, optical, thermal and electrical properties of
light harvester and PV device with the help of AFM, SEM, XRD, TEM, FTIR, Raman
Spectroscopy, NMR, UV-Visible spectroscopy, ellipsometer, solar simulator, DSC and DTA. We
will also testing the stability of fabricated device with different conditions.
4th Year
• All characterized data will be analyzed in 4th year. We also investigate the effect of temperature, humidity,
UV light and water on the perovskite solar cell device. We will co-relate different types of organic-inorganic
halide perovskite material and find out which will be more suitable than others. In this year we will also
write manually script/papers for publication.

12. SignificantOutcomesof ProposedWork:
Different compositions of Perovskite materials will show high
crystallinity and tetragonal/Cubic/Orthorhombic structure for
different temperature and atmospheric conditions.
The proposed work will produce highly efficient light
harvesters.
By changing the halide composition and organic/inorganic
part of the perovskite materials, optical, thermal and
electrical property will be enhanced.
High light absorbance property and high PL efficiency in
visible region, these types of materials will have different
applications in optoelectronics and PV.

13. References:
•V. S. Reddy, S. C. Kaushik, K. R. Ranjan and S. K. Tyagi, Renewable Sustainable Energy Rev., 2013, 27, 258–273.
•Wei Wang, Moses O. Tade and Zongping Shao, RSC chm. Soc. Rev. 2015
•C.K. Moller, Nature 182 (1958) 1436.
•D. Weber, Inst. Anorg. Chem. Univ. Stutt. 33b (1978) 1443-1445.
•Research Cell Efficiency Records, NREL (2015). http://www.nrel.gov/ncpv/images/efficiency chart.jpg
•M. Graetzel, et al. Nature 488 (2012) 304.
•Aharon S. and Etgor L.; Nano Let, 2016, 16, 3230-3235.
•Huang L.; Hu Z.; Solar Energy Materials and Solar Cells, 2016, 149, 1-8.

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THANK
YOU