Which of the following is an example of bottom-up approach for the preparation of nanomaterials?
A. Etching
B. Dip pen nano-lithography
C. Lithography
D. Erosion
Answer:B
Which of the following is an example of bottom-up approach for the preparation of nanomaterials?
A. Etching B. Dip pen nano-lithography C. Lithography D. Erosion
Explanation: Dip pen nanolithography is an example of bottom-down approach for