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Nature communications, ISSN 2041-1723, 2018, Volume 9, Issue 1, pp. 3880 - 11
.... Juarez-Perez 1, Zafer Hawash 1, Taehoon Kim 1, Yan Jiang 1, Zhifang Wu1, Sonia R. Raga1, Luis K. Ono1, Shengzhong (Frank) Liu2,3 and Yabing Qi 1 Besides high... 
SINGLE-CRYSTALS | TRANSPORT | EVOLUTION | INORGANIC HALIDE PEROVSKITES | INTERFACE | STABILITY | MULTIDISCIPLINARY SCIENCES | LIGHT | ORGANOMETAL TRIHALIDE PEROVSKITE | METHYLAMINE-GAS | CH3NH3PBI3 | Solar cells | Films | Chlorine | Modules | Thick films | Surface roughness | Perovskites | Gas-solid reactions | Thickness | Methylamine | Photovoltaic cells | Reproducibility | Efficiency | Lead | Commercialization | Energy conversion efficiency
Journal Article
Scientific reports, ISSN 2045-2322, 2019, Volume 9, Issue 1, pp. 1 - 8
... molecular defect- incorporated organic-inorganic hybrid perovskite thin film Inhee Maeng1, Young Mi Lee2, Jinwoo Park3, Sonia R. Raga 4,7, Chul Kang1, Chul-Sik Kee1... 
CHNHPBL | WAVE | LIFETIMES | SOLAR-CELLS | X-RAY PHOTOEMISSION | MULTIDISCIPLINARY SCIENCES | PHASE-TRANSITION | LIGHT | SPECTRUM | EFFICIENCY | TIME-DOMAIN SPECTROSCOPY | Vibrations | Thin films | Lead | Vacuum | Evaporation
Journal Article
Advanced materials interfaces, ISSN 2196-7350, 2015, Volume 2, Issue 13, pp. 1500195 - n/a
Journal Article
Scientific reports, ISSN 2045-2322, 2015, Volume 5, Issue 1, p. 9863
...Substantial improvement of perovskite solar cells stability by pinhole-free hole transport layer with doping engineering Min-Cherl Jung, Sonia R. Raga, Luis K... 
TETRAFLUOROTETRACYANOQUINODIMETHANE | VAPOR-DEPOSITION | DECAMETHYLCOBALTOCENE | PERFORMANCE | MULTIDISCIPLINARY SCIENCES | LIGHT | INTERFACES | DOPANT | SPIRO-MEOTAD FILMS | Silicon wafers | Vacuum | Evaporation | Photovoltaic cells
Journal Article
The Journal of Physical Chemistry B, ISSN 1520-6106, 01/2018, Volume 122, Issue 2, pp. 511 - 520
The rapid rise of power conversion efficiency (PCE) of low cost organometal halide perovskite solar cells suggests that these cells are a promising alternative... 
BLOCKING LAYER | FILMS | DEPOSITION | TRANSPORT LAYERS | SURFACE | CHEMISTRY, PHYSICAL | ANOMALOUS HYSTERESIS | TIO2 | Solar cells | Energy transformation | Perovskite | Solar batteries | Analysis | Research | Chemical properties | Titanium dioxide
Journal Article
Energy and Environmental Science, ISSN 1754-5692, 11/2016, Volume 9, Issue 11, pp. 3406 - 3410
Thermal gravimetric and differential thermal analysis (TG-DTA) coupled with quadrupole mass spectrometry (MS) and first principles calculations were employed... 
ENGINEERING, CHEMICAL | ENVIRONMENTAL SCIENCES | SENSITIZED SOLAR-CELL | ENERGY & FUELS | PERFORMANCE | STABILITY | PHOTOVOLTAICS | DECOMPOSITION | TRIHALIDE PEROVSKITE | CHEMISTRY, MULTIDISCIPLINARY
Journal Article
Energy & Environmental Science, ISSN 1754-5692, 11/2016, Volume 9, Issue 11, pp. 3406 - 3410
Thermal gravimetric and differential thermal analysis (TG-DTA) coupled with quadrupole mass spectrometry (MS) and first principles calculations were employed... 
Ammonia | Spectrometry | Mathematical analysis | Optoelectronic devices | Perovskites | Decomposition | Quadrupoles | Thermal degradation
Journal Article
Chemistry of Materials, ISSN 0897-4756, 03/2015, Volume 27, Issue 5, pp. 1597 - 1603
In the past few years, lead halide perovskite solar cell power conversion efficiencies have risen by using a wide variety of fabrication methods and just... 
ORGANOMETAL HALIDE PEROVSKITES | PHOTOVOLTAIC CELLS | MESOPOROUS TIO2 | TEMPERATURE | PERFORMANCE | HYSTERESIS | DEPOSITION | BEHAVIOR | MATERIALS SCIENCE, MULTIDISCIPLINARY | CHEMISTRY, PHYSICAL | CH3NH3PBI3 | CHLORIDE
Journal Article
The Journal of Physical Chemistry Letters, ISSN 1948-7185, 09/2017, Volume 8, Issue 17, pp. 3947 - 3953
For the first time, we intentionally deposit an ultrathin layer of excess methylammonium iodide (MAI) on top of a methylammonium lead iodide (MAPI) perovskite... 
LIGHT-EMITTING-DIODES | THIN-FILMS | CHNHPBL | IMPACT | CH3NH3PBI3 PEROVSKITE | PERFORMANCE | MATERIALS SCIENCE, MULTIDISCIPLINARY | PHYSICS, ATOMIC, MOLECULAR & CHEMICAL | CHEMISTRY, PHYSICAL | NANOSCIENCE & NANOTECHNOLOGY | ELECTRONIC-STRUCTURE
Journal Article
Journal of materials chemistry. A, Materials for energy and sustainability, ISSN 2050-7496, 2015, Volume 3, Issue 31, pp. 16097 - 16103
Formamidinium perovskite films have been prepared by chemical vapor deposition, with cells demonstrating PCEs up to 14.2%, stability up to 155 days,... 
CHEMISTRY, PHYSICAL | ENERGY & FUELS | MATERIALS SCIENCE, MULTIDISCIPLINARY | Solar cells | Stability | Iodides | Photovoltaic cells | Accessibility | Chlorine | Perovskites | Chemical vapor deposition
Journal Article
Journal of materials chemistry. A, Materials for energy and sustainability, ISSN 2050-7496, 2014, Volume 2, Issue 44, pp. 18742 - 18745
Organometal halide based perovskites are promising materials for solar cell applications and are rapidly developing with current devices reaching similar to... 
CHEMISTRY, PHYSICAL | TEMPERATURE | ENERGY & FUELS | CH3NH3PBI3 | MATERIALS SCIENCE, MULTIDISCIPLINARY
Journal Article
Physical Chemistry Chemical Physics, ISSN 1463-9076, 02/2013, Volume 15, Issue 7, pp. 2328 - 2336
In the standard solar cell technologies such as crystalline silicon and cadmium telluride, increments of temperature in the cell produce large variations in... 
AQUEOUS-ELECTROLYTE | SURFACE-STATES | RECOMBINATION | TRANSPORT | CONVERSION | SEMICONDUCTORS | PERFORMANCE | PHYSICS, ATOMIC, MOLECULAR & CHEMICAL | CHEMISTRY, PHYSICAL | NANOCRYSTALLINE TIO2 ELECTRODES | IMPEDANCE SPECTROSCOPY | EFFICIENCY | Solar cells | Dyes | Photovoltaic cells | Decay | Conversion | Crystal structure | Energy conversion efficiency | Operating temperature
Journal Article
Chemistry of Materials, ISSN 0897-4756, 01/2015, Volume 27, Issue 2, pp. 562 - 569
Doping properties of 2,2′,7,7′-tetrakis­(N,N-di-p-methoxy­phenyl­amine)-9,9′-spiro­bifluorene (spiro-MeOTAD) hole transport layer are investigated by X-ray... 
DYE | SENSITIZED SOLAR-CELLS | LITHIUM-SALTS | INTERFACE | MATERIALS SCIENCE, MULTIDISCIPLINARY | CHARGE RECOMBINATION | CHEMISTRY, PHYSICAL | PEROVSKITE | HOLE TRANSPORT MATERIAL | ORGANIC SEMICONDUCTORS | EFFICIENT | PHOTOELECTRON-SPECTROSCOPY
Journal Article
Journal of materials research, ISSN 0884-2914, 01/2017, Volume 32, Issue 1, pp. 45 - 55
Journal Article
Journal of Materials Chemistry A, ISSN 2050-7488, 2016, Volume 4, Issue 7, pp. 2494 - 2500
Solution processable perovskite solar cells traditionally use CH3NH3I solid powder as one of the two precursors that requires solvation into a solution and a... 
SOLAR-CELLS | FILMS | AMMONIA | ENERGY & FUELS | DEPOSITION | MATERIALS SCIENCE, MULTIDISCIPLINARY | CHEMISTRY, PHYSICAL | LAYERS
Journal Article
Journal of Materials Chemistry A, ISSN 2050-7488, 2018, Volume 6, Issue 29, pp. 14449 - 14463
An ever-growing demand for high-energy density and high-power Li-ion batteries has driven active research for electrode materials with superior capacity.... 
ELECTROCHEMICAL PROPERTIES | ENERGY & FUELS | BEHAVIOR | MATERIALS SCIENCE, MULTIDISCIPLINARY | CHEMISTRY, PHYSICAL | HIGH-POWER | NICKEL | SPECTROSCOPY | SURFACE | VOLTAGE LINI0.5MN1.5O4 CATHODES | RATE CAPABILITY | LITHIUM-ION BATTERIES | HIGH-CAPACITY
Journal Article