Journal Article organic field-effect transistors stretchable electronics thin films Biocompatible Materials Organic Chemicals Silk active matrices artificial intelligence artificial neurons auxetics biomaterials biometric devices composite materials cycloparaphenylene (CPP) dielectrics e-textile electronic skin flexible photodetectors hemispherical image sensors high sensitivity image sensor arrays mechanical conformability mechanical metamaterials molecular dynamics simulations near infrared photodetectors neuromorphic engineering on-skin electronics optogenetics organic electro-chemical transistors