The ornamental design for a solarcellwafer, as shown and described.
FIG. 1 is a front elevational view of a solar cell wafer;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a top plan view thereof, the bottom plan view being a mirror image of the top plan view;
FIG. 4 is a right side elevational view thereof, the left side elevational view being a mirror image of the right side elevational view;
FIG. 5 is an enlarged view of callout box 5 from FIG. 1; and,
FIG. 6 is an enlarged view of callout box 6 from FIG. 2.
The evenly spaced broken lines depict portions of the solar cell wafer that form no part of the claimed design. The dot-dash broken lines form no part of the claimed design.