Explanipedia

Probing self-healing dynamics in perovskite solar cells under proton irradiation via in situ and in operando characterization Open

Mohin Sharma, Mritunjaya Parashar, Darshpreet Kaur Saini, Haoran Chen, Megh N. Khanal , et al. · 2025

Phonon Polaritons and Epsilon Near Zero Modes in Sapphire Nanostructures Open

Milad Nourbakhsh, Kiernan E. Arledge, Vincent R. Whiteside, Jiangang Ma · 2025

Surface phonon polaritons (SPhPs) are promising candidates for enhanced light--matter interactions due to their efficient and low-loss light confinement features. In this work, we present unique light-matter interactions in saphhire within…

Charge carrier extraction and recombination effects in GaInAs/GaAsP multi-quantum well solar cells Open

Hind Ahmed, Sunil Sudhakaran, Amani Saleh Almutairi, Shaukat Khan, Vincent R. Whiteside , et al. · 2025

The carrier extraction and transport mechanisms as well as the relative contributions of radiative and non-radiative recombination processes are investigated in high-quality strain-balanced GaInAs/GaAsP multi-quantum well solar cells recen…

The effects of multiple stressors on the operational performance of (FA,MA,Cs)Pb(I,Br)3 solar cells Open

Megh N. Khanal, Vincent R. Whiteside, Melissa A. Davis, Saivineeth Penukula, Nicholas Rolston , et al. · 2025

Here, a thorough study of the effects of multiple stressors on a series of FAMACsPb(IBr)3 solar cells was assessed to test the stability of such systems for space applications. Combinations of thermal cycling, constant illumination, and el…

Barrier layer design reduces top electrode ion migration in perovskite solar cells Open

Saivineeth Penukula, Megh N. Khanal, Mohin Sharma, Mritunjaya Parashar, Ross A. Kerner , et al. · 2025

We report on an examination of mobile ion concentration ( N 0 ) in perovskite solar cells (PSCs) as a function of temperature and device architecture.

Hot carrier dynamics in operational metal halide perovskite solar cells Open

Hadi Afshari, Varun Mapara, Shashi Sourabh, Megh N. Khanal, Vincent R. Whiteside , et al. · 2025

While the low-energy side of the Δ A curves remains stable over time, the high-energy side changes dramatically, reflecting hot carrier thermalization, which occurs at different rates on the hole and electron transport sides in perovskite …

Hot Carrier Dynamics in Operational Metal Halide Perovskite Solar Cells Open

Hadi Afshari, Varun Mapara, Shashi Sourabh, Megh N. Khanal, Vincent R. Whiteside , et al. · 2024

One of the main approaches to inhibit carrier cooling in semiconductor systems enabling the study of hot carrier solar cell protocols is the use of concentrated illumination to obtain high power densities and create a phonon bottleneck. Th…

Radiation versus environmental degradation in unencapsulated metal halide perovskite solar cells Open

Megh N. Khanal, Vincent R. Whiteside, Mritunjaya Parashar, Tamara Merckx, Mohin Sharma , et al. · 2024

Here, the radiation hardness of metal halide perovskite solar cells exposed to space conditions versus the effects of environmental degradation are assessed. The relative response of the constituent layers of the architecture to radiation …

Mapping Phonon Polaritons with Visible Light Open

Joseph G. Tischler, Kiernan E. Arledge, Chase T. Ellis, Nazli Sarabi, Vincent R. Whiteside , et al. · 2024

Phonon polaritons (PhPs) are hybrid photon-phonon waves which enable strong light-matter interactions and subdiffractional confinement, potentially empowering applications in sensing, nonlinear optics and nanoscale energy manipulation. In …

Mapping Phonon Polaritons with Visible Light Open

Kiernan E. Arledge, Chase T. Ellis, Nazli Sarabi, Vincent R. Whiteside, Chul Soo Kim , et al. · 2024

Phonon polaritons (PhPs) are hybrid photon-phonon waves which enable strong light-matter interactions and subdiffractional confinement, potentially empowering applications in sensing, nonlinear optics and nanoscale energy manipulation. In …

Evidence of hot carrier extraction in metal halide perovskite solar cells Open

Shashi Sourabh, Hadi Afshari, Vincent R. Whiteside, Giles E. Eperon, Rebecca A. Scheidt , et al. · 2024

The presence of hot carriers is presented in the operational properties of an (FA,Cs)Pb(I, Br, Cl) 3 solar cell at ambient temperatures and under practical solar concentration. Albeit, in a device architecture that is not suitably designed…

Status report on emerging photovoltaics Open

Annick Anctil, Meghan N. Beattie, Christopher Case, Aditya Chaudhary, Benjamin D. Chrysler , et al. · 2023

This report provides a snapshot of emerging photovoltaic (PV) technologies. It consists of concise contributions from experts in a wide range of fields including silicon, thin film, III-V, perovskite, organic, and dye-sensitized PVs. Strat…

Evidence of Hot Carrier Extraction in Metal Halide Perovskite Solar Cells Open

Shashi Sourabh, Hadi Afshari, Vincent R. Whiteside, Giles E. Eperon, Robert A. Scheidt , et al. · 2023

The presence of hot carriers is presented in the operational properties of an (FA,Cs)Pb(I, Br, Cl)3 solar cell at ambient temperatures and under practical solar concentration. At 100 K, clear evidence of hot carriers is observed in both th…

Radiation tolerance and self-healing in triple halide perovskite solar cells Open

Hadi Afshari, Sergio A. Chacon, Shashi Sourabh, Todd A. Byers, Vincent R. Whiteside , et al. · 2023

The high tolerance and stability of triple halide perovskite solar cells is demonstrated in practical space conditions at high irradiation levels. The solar cells were irradiated for a range of proton energies (75 keV, 300 keV, and 1 MeV) …

Near-unity light-matter interaction in mid-infrared van der Waals nanocavities Open

Haonan Ling, Milad Nourbakhsh, Vincent R. Whiteside, Joseph G. Tischler, Artur R. Davoyan · 2023

Accessing mid-infrared radiation is of great importance for a range of applications, including thermal imaging, sensing, and radiative cooling. Here, we study light interaction with hexagonal boron nitride nanocavities and reveal strong an…

Temperature Dependent Carrier Extraction and the Effects of Excitons on Emission and Photovoltaic Performance in Cs0.05FA0.79MA0.16Pb(I0.83Br0.17)3 Solar Cells Open

Hadi Afshari, Brandon K. Durant, Ahmad R. Kirmani, Sergio A. Chacon, J. Patrick Mahoney , et al. · 2023

The photovoltaic parameters of triple cation perovskite\n[Cs_0.05FA_0.79MA_0.16Pb(I_0.83Br_0.17)₃] solar cells are investigated focusing\non\nthe electro-optical properties and …

FACsPb Triple Halide Perovskite Solar Cells with Thermal Operation over 200 °C Open

Hadi Afshari, Shashi Sourabh, Sergio A. Chacon, Vincent R. Whiteside, Rachel C. Penner , et al. · 2023

Formamidinium cesium (FACs) perovskites solar cells have been shown to be among the most stable metal halide perovskites. In this report high-temperature data are presented which systematically and statistically demonstrate the high therma…

Toward Hot Carrier Extraction in Intervalley Photovoltaic Devices Open

Kyle R. Dorman, Vincent R. Whiteside, D. K. Ferry, Israa G. Yusuf, Tanner J. Legvold , et al. · 2022

InGaAs heterostructures have demonstrated the means to maintain hot carrier behavior under practical operating conditions via valley photovoltaics. However, enhancing the extraction to create a fully operational hot carrier solar cell requ…

Pathways to hot carrier solar cells Open

D. K. Ferry, Vincent R. Whiteside, Ian R. Sellers · 2022

Hot carrier solar cells (HCSCs) were first proposed many decades ago. Over the intervening years, there has been a continuing quest to create these cells that hold promise to shatter the Shockley–Queisser efficiency limit on single-junctio…

Non-equilibrium hot-carrier transport in type-II multiple-quantum wells for solar-cell applications Open

Herath P. Piyathilaka, R. Sooriyagoda, Vincent R. Whiteside, T. D. Mishima, M. B. Santos , et al. · 2021

Prototypes for hot-carrier solar cells based on type-II InAs/AlAsSb multiple quantum wells are examined for AC photoconductivity as a function of lattice temperature and photoexcitation energy to determine the photoexcited charge carrier t…

Hot carrier relaxation and inhibited thermalization in superlattice heterostructures: The potential for phonon management Open

Hamidreza Esmaielpour, Brandon K. Durant, Kyle R. Dorman, Vincent R. Whiteside, Jivtesh Garg , et al. · 2021

One of the main loss mechanisms in photovoltaic solar cells is the thermalization of photogenerated hot carriers via phonon-mediated relaxation. By inhibiting these relaxation mechanisms and reducing thermalization losses, it may be possib…

Hot-carrier dynamics in InAs/AlAsSb multiple-quantum wells Open

Herath P. Piyathilaka, Rishmali Sooriyagoda, Hamidreza Esmaielpour, Vincent R. Whiteside, Tomoyoshi Mishima , et al. · 2021

Hot carrier redistribution, electron-phonon interaction, and their role in carrier relaxation in thin film halide perovskites Open

Shashi Sourabh, Vincent R. Whiteside, Yaxin Zhai, Kangyang Wang, Vishal Yeddu , et al. · 2021

Temperature dependent (4K-300K) photoluminescence and transmission spectra are analyzed to study the effect of changing the different components of a perovskite compound, be it A, B, or X. Four different films are compared: FAMAPbSnI3, FAP…

Challenges, myths, and opportunities in hot carrier solar cells Open

D. K. Ferry, Stephen M. Goodnick, Vincent R. Whiteside, Ian R. Sellers · 2020

Hot carrier solar cells hold the promise of efficiency significantly greater than that predicted by the Shockley–Queisser limit. Consequently, there has been considerable effort to create cells that achieve this goal, but so far, this has …

Publisher Correction: Exploiting intervalley scattering to harness hot carriers in III–V solar cells Open

Hamidreza Esmaielpour, Kyle R. Dorman, D. K. Ferry, Tetsuya D. Mıshıma, M. B. Santos , et al. · 2020

Role of Exciton Binding Energy on LO Phonon Broadening and Polaron Formation in (BA)2PbI4 Ruddlesden–Popper Films Open

Hamidreza Esmaielpour, Vincent R. Whiteside, Shashi Sourabh, Giles E. Eperon, Jake T. Precht , et al. · 2020

The effect of carrier–carrier and carrier–phonon interactions is presented in n = 1 (2D) (BA)₂PbI₄ Ruddlesden–Popper thin films, and their effect is compared to that of conventional MAPbI₃. While temperatur…

Rb4Ag2BiBr9: A Lead-Free Visible Light Absorbing Halide Semiconductor with Improved Stability Open

Manila Sharma, Aymen Yangui, Vincent R. Whiteside, Ian R. Sellers, Dan Han , et al. · 2019

Replacement of the toxic heavy element lead in metal halide perovskites has been attracting a great interest because the high toxicity and poor air stability are two of the major barriers for their widespread utilization. Recently, mixed-c…

CSD 1871838: Experimental Crystal Structure Determination Open

Manila Sharma, Aymen Yangui, Vincent R. Whiteside, Ian R. Sellers, Dan Han , et al. · 2019

Enhanced hot electron lifetimes in quantum wells with inhibited phonon coupling Open

Hamidreza Esmaielpour, Vincent R. Whiteside, Herath P. Piyathilaka, S. Vijeyaragunathan, Bin Wang , et al. · 2018

CCDC 1576892: Experimental Crystal Structure Determination Open

Hariharan Nhalil, Vincent R. Whiteside, Ian R. Sellers, Wenmei Ming, Mao‐Hua Du , et al. · 2018

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …

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