Advancing lead-free Cs2AgBiBr6 perovskite solar cells: challenges and strategies

M Zhai, C Chen, M Cheng - Solar Energy, 2023 - Elsevier
Halide perovskite solar cells (PSCs) have become a representative of novel photovoltaic
power generation technologies. However, the toxicity and instability problems of lead (Pb) …

Characterizing spatial and energetic distributions of trap states toward highly efficient perovskite photovoltaics

J Chen, YH Lou, ZK Wang - Small, 2023 - Wiley Online Library
Due to their greater opt electric performance, perovskite photovoltaics (PVs) present huge
potential to be commercialized. Perovskite PV's high theoretical efficiency expands the …

Understanding the Role of Grain Boundaries on Charge‐Carrier and Ion Transport in Cs2AgBiBr6 Thin Films

Z Li, SP Senanayak, L Dai, G Kusch… - Advanced Functional …, 2021 - Wiley Online Library
Halide double perovskites have gained significant attention, owing to their composition of
low‐toxicity elements, stability in air, and recent demonstrations of long charge‐carrier …

Real-time nanoscale open-circuit voltage dynamics of perovskite solar cells

JL Garrett, EM Tennyson, M Hu, J Huang… - Nano …, 2017 - ACS Publications
Hybrid organic–inorganic perovskites based on methylammonium lead (MAPbI3) are an
emerging material with great potential for high-performance and low-cost photovoltaics …

[PDF][PDF] Nanoimaging of open-circuit voltage in photovoltaic devices

EM Tennyson, JL Garrett, JA Frantz, JD Myers… - Adv. Energy Mater, 2015 - Citeseer
DOI: 10.1002/aenm. 201501142 voltage and the overall electrical behavior of a device
strongly depend on the nonradiative recombination rate of the charge carriers within a …

Inorganic photovoltaics–planar and nanostructured devices

J Ramanujam, A Verma, B González-Díaz… - Progress in Materials …, 2016 - Elsevier
Since its invention in the 1950s, semiconductor solar cell technology has evolved in great
leaps and bounds. Solar power is now being considered as a serious leading contender for …

Nanoscale imaging of photocurrent and efficiency in CdTe solar cells

MS Leite, M Abashin, HJ Lezec, A Gianfrancesco… - ACS …, 2014 - ACS Publications
The local collection characteristics of grain interiors and grain boundaries in thin-film CdTe
polycrystalline solar cells are investigated using scanning photocurrent microscopy. The …

Visualizing the surface photocurrent distribution in perovskite photovoltaics

J Chen, GP Zhu, X Li, YH Lou, C Dong, KL Wang… - Small, 2022 - Wiley Online Library
Defect states play an important role in the photovoltaic performance of metal halide
perovskites. Particularly, the passivation of surface defects has made great contributions to …

Imaging energy harvesting and storage systems at the nanoscale

EM Tennyson, C Gong, MS Leite - ACS Energy Letters, 2017 - ACS Publications
Our scientific understanding of the nanoscale world is continuously growing ever since
atomic force microscopy (AFM) has enabled us to “see” materials at this length scale …

Mesoscale functional imaging of materials for photovoltaics

EM Tennyson, JM Howard, MS Leite - ACS Energy Letters, 2017 - ACS Publications
Further global adoption of photovoltaic energy conversion technologies is contingent on
sustained progress toward widespread grid-parity. For that, solar cell materials composed of …