▎ 摘　　要

NOVELTY - Precision graphene nanoribbon (GNR) bridge molecule comprises central GNR having precision structure selected from armchair, zigzag, cove, chevron, and fjord; functional anchoring group at either end of GNR selected from amine, thiol, thioether, stannane, halide, boronic acid, boronic ester, azide, and carbene; central functional conjugation group at precisely specified location; and edge group functionalization with solubilizing groups selected from linear and branched alkyl chains, substituted aromatic rings, oligoethylene glycol, carboxylic acids, and sulfonic acids. USE - Precision GNR bridge molecule used in GNR molecular electronics nano-circuit, GNR molecular electronics sensor, in sequencing DNA (all claimed), for molecular electronics sensing and switching devices, for post-silicon integrated circuit architectures, detection of diverse analytes, or electronic switching in circuits for logic or communications applications. ADVANTAGE - The precision GNR bridge molecule increases density of GNR-based transistors. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for: 1. a GNR molecular electronics nano-circuit, which comprises precision GNR bridge molecule having length L, where end functionalization groups conjugate to select material; and pair of nano-electrodes that have gap of length < L, where tips are made of selected material or suitably coated or functionalized with selected material; where GNR bridge is coupled into nano-gap, with end functional groups properly conjugated to select material; 2. a GNR molecular electronics complementary metal-oxide-semiconductor (CMOS) chip, which comprises array of pixels circuits comprising surface-exposed nano-electrode pair, and where each pixel nano-electrode pair is provided with GNR molecular electronics nano-circuit; 3. a GNR molecular electronics sensor, which comprises precision GNR bridge molecule, and conjugated with probe molecule at precision internal conjugation site; 4. a GNR molecular electronics sensor array chip, which comprises CMOS chip, with array of pixel elements, each comprising GNR molecular electronics sensor; 5. a method for sequencing DNA, which involves: a. using GNR molecular electronics sensor array chip, proving flow-cell that contains chip and can provide liquid reagents; b. providing such chip with polymerase-probe GNRs; c. supplying reagents in flow cell that include sequencing reagents; d. recording signals from sensors on chip; e. processing signals to basecalls; and f. recording and storing called sequences; and 6. a precision GNR switch molecule, which comprises central GNR with precision structure selected from armchair, zigzag, cove, chevron, and fjord; functional anchoring group at either end of GNR selected from amine, thiol, thioether, stannane, halide, boronic acid, boronic ester, azide, and carbene; central functional core at precisely specified location selected from heterojunction interfaces, electron spin system, quantum dots, qubits, and symmetry protected topological states; and edge group functionalization with solubilizing groups, from linear and branched alkyl chains, substituted aromatic rings, oligoethylene glycol, carboxylic acids, sulfonic acids.