Journal: Nature Communications

Article Title: Direct solar energy charging of metal||air batteries enabled by photo-coupled electrodes

doi: 10.1038/s41467-026-73926-z

Figure Lengend Snippet: a TEM image of NGDY. b , c HR-TEM images of NGDY. d SAED pattern of NGDY. e HR-TEM image of stacked crystalline NGDY nanosheets. f The magnified HR-TEM image. g AFM image of NGDY nanosheet. h AFM image of stacked NGDY nanosheets. i HR-TEM image of NGDY showing interlayer spacing. j The cross-sectional analysis along the line in ( g )–( i ). k Top view and l side view of the crystal structure of NGDY with 9-layers stacking structure. m Simulated SAED pattern using the 9-layers stacking structure mode. n Raman spectrum of NGDY. o XPS C 1 s spectrum of NGDY. p XPS N 1 s spectrum of NGDY. Source data are provided as a Source Data file.

Article Snippet: A Horiba confocal Raman microscope with a 532 nm laser was used for all measurements.

Techniques:

Journal: Nature Communications

Article Title: Direct solar energy charging of metal||air batteries enabled by photo-coupled electrodes

doi: 10.1038/s41467-026-73926-z

Figure Lengend Snippet: a XPS N 1 s spectra of NGDY in the dark and under light irradiation. b XPS C 1 s spectra of NGDY in the dark and under light irradiation. c The ratio changes of sp -C/ sp 2 -C under light irradiation. d Raman spectra of NGDY in the dark and under light irradiation. e The 2D color-filled contour plot of the Raman spectra magnified in the dashed box in ( d ). f Schematic illustration of the photo-generated electron-hole pairs separation process in NGDY. g The transition map of electrons and holes in NGDY under the light excitation. h SPV image of NGDY. i Line profiles of the SPV of NGDY. j Schematic illustration of a conventional photoelectrode and our proposed light-induced dynamic reconfiguration of sp -C. Source data are provided as a Source Data file.

Article Snippet: A Horiba confocal Raman microscope with a 532 nm laser was used for all measurements.

Techniques: Irradiation, Generated

Journal: Nature Communications

Article Title: Direct solar energy charging of metal||air batteries enabled by photo-coupled electrodes

doi: 10.1038/s41467-026-73926-z

Figure Lengend Snippet: a In-situ Raman spectra of NGDY-based PZAB during the charging process in the dark. b In-situ Raman spectra of NGDY-based PZAB during the charging process under light irradiation, and c the corresponding 2D color-filled contour plot of the in-situ Raman spectra (Left: in the dark. Right: under light irradiation. Recorded during a LSV scan of the battery charging voltage from 1.6 V to 2.4 V at a scan rate of 0.1 mV s −1 , with spectra acquired at every 0.1 V interval). d Schematic illustration of OER pathways on the NGDY in the dark and under light irradiation. e Free energy diagrams of different sites for OER. f In-situ Raman spectra of NGDY-based PLOB in the dark. g In-situ Raman spectra of NGDY-based PLOB under light irradiation. The spectra were collected over a full cycle: discharging from 2.8 V to 1.6 V and then charging from 3.0 V to 4.2 V at a scan rate of 0.1 mV s −1 , with spectra recorded at 0.2 V intervals. h The corresponding 2D color-filled contour plot of the in-situ Raman spectra of NGDY-based PLOB during the charging process (Left: in the dark. Right: under light irradiation). Free energy diagrams at zero, equilibrium, discharge and charge voltages of NGDY for PLOB at i ground state and j excited state. All in-situ measurements were performed at 25 ± 0.5 °C. Source data are provided as a Source Data file.

Article Snippet: A Horiba confocal Raman microscope with a 532 nm laser was used for all measurements.

Techniques: In Situ, Irradiation, Battery

Journal: RSC Advances

Article Title: Synthesis and electrochemical evaluation of nickel hydroxide nanosheets with phase transition to nickel oxide †

doi: 10.1039/d4ra01120a

Figure Lengend Snippet: In situ Raman spectra recorded for (a) Ni(OH) 2 and (b) NiO by incrementally varying the applied potential from the OCP to 1.55 V (in steps of 0.05 V) in a 1 M Fe-free KOH solution. (Left), the spectra showing Ni–O bands; (right), bands associated with active oxygen species.

Article Snippet: In situ SERS experiments were conducted in a custom-made Teflon cell by using a Raman microscope (XperRAM S, Nanobase) coupled with a 60× water immersion objective lens (Olympus).

Techniques: In Situ