NOVELTY - Photovoltaic device (10) comprises coaxial molecular stacks (12) located between and oriented perpendicular to first and second electrode to provide charge transport of photocurrent through each coaxial molecular stack in photovoltaic device, where each coaxial molecular stack containing several pi -conjugated planar supramolecules stacked through columnar self assembly to form the coaxial molecular stack, where each supramolecule is comprised of a pi -conjugated hub covalently appended to multiple copies of electron acceptor spoke to form outer n-channel with coaxial inner p-channel.    USE - As photovoltaic device (Claimed) such as solar cell.    ADVANTAGE - The photovoltaic device has low cost of fabrication, and compatibility with flexible and light weight plastic substrates. The coaxial nanostructured films in photovoltaic device, is sufficiently thick to absorb all incidents light, leads to increase in photoconversion efficiency, thus afford exceptional photovoltaic performance, that enable the organic material to be used in practical applications.    DETAILED DESCRIPTION - A photovoltaic device (10) having a coaxial molecular stack (12) for transferring photocurrent, comprises several coaxial molecular stacks located between and oriented perpendicular to a first electrode and a second electrode to provide charge transport of photocurrent through each coaxial molecular stack in the photovoltaic device, where each coaxial molecular stack containing several pi -conjugated planar supramolecules stacked through columnar self assembly to form the coaxial molecular stack, where each supramolecule is comprised of a pi -conjugated hub covalently appended to multiple copies of an electron acceptor spoke to form an outer n-channel with a coaxial inner p-channel. An INDEPENDENT CLAIM is included for forming a photovoltaic device having a coaxial molecular stack for transferring photocurrent involving coating a first electrode with a continuous film formed of coaxial molecular stacks, where each coaxial molecular stack is formed of stacked supramolecules, and each supramolecule is comprised of a pi -conjugated hub covalently appended to multiple copies of an electron acceptor spoke to form outer n-channel with a coaxial inner p-channel perpendicular with a plane of the first electrode; coupling a second electrode with the film, where a plane of the second electrode is parallel with the plane of the first electrode.    DESCRIPTION OF DRAWING(S) - The figure shows view of coaxial stacking of disc-shaped molecules.    Photovoltaic device (10)    Coaxial molecular stacks (12)    First electrode (14)    Second electrode (16)    Supramolecule (18)